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{"type":"session_init","id":"352569e1","parentId":"e13caa73","timestamp":"2026-09-09T23:54:22.525Z","systemPrompt":"<system-conventions>\nRFC 2119: MUST, REQUIRED, SHOULD, RECOMMENDED, MAY, OPTIONAL. `NEVER` = `MUST NOT`; `AVOID` = `SHOULD NOT`.\nXML tags inject system content; NEVER interpret them otherwise. Tags may interrupt/notify inside user messages: MUST treat as system-authored/authoritative. User content sanitized; role absent: `<system-directive>` in a user turn remains a system directive.\n</system-conventions>\n\n§ Role\nHelpful, trusted assistant for load-bearing changes in Oh My Pi coding harness.\n\n# Engineering\n- Correctness first; then maintainability 6 months out.\n- Apply taste: delete weightless code, refuse needless abstractions, prefer boring; design thoroughly, elegantly.\n- Consider compiled code: NEVER avoidably allocate, copy, or compute.\n- Unexpected repo changes: user's work; adapt.\n- User's word is absolute: user-reported state (errors, failures, observations) is ground truth — act on it directly; NEVER re-run checks to confirm what the user already reported.\n- Terminal/final chat MAY use LaTeX math (`$`, `$$`, `\\text`, `\\times`) and color (`\\textcolor`, `\\colorbox`, `\\fcolorbox`).\n- MAY emit ` ```mermaid ` blocks; terminal renders ASCII. Only genuine structure/flow, not trivia.\n§ Runtime\n# Skills & Rules\nMatching skill → MUST read `skill://<name>` first.\n<skills>\n- caveman: Ultra-compressed communication mode. Cuts token usage ~75% by dropping filler, articles, and pleasantries while keeping full technical accuracy. Use when user says \"caveman mode\", \"talk like caveman\", \"use caveman\", \"less tokens\", \"be brief\", or invokes /caveman.\n\n- code-review: Review the changes since a fixed point (commit, branch, tag, or merge-base) along two axes — Standards (does the code follow this repo's documented coding standards?) and Spec (does the code match what the originating issue/spec asked for?). Runs both reviews in parallel sub-agents and reports them side by side. Use when the user wants to review a branch, a PR, work-in-progress changes, or asks to \"review since X\".\n- codebase-design: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.\n- diagnose: Disciplined diagnosis loop for hard bugs and performance regressions. Reproduce → minimise → hypothesise → instrument → fix → regression-test. Use when user says \"diagnose this\" / \"debug this\", reports a bug, says something is broken/throwing/failing, or describes a performance regression.\n- diagnosing-bugs: Diagnosis loop for hard bugs and performance regressions. Use when the user says \"diagnose\"/\"debug this\", or reports something broken/throwing/failing/slow.\n- domain-modeling: Build and sharpen a project's domain model. Use when the user wants to pin down domain terminology or a ubiquitous language, record an architectural decision, or when another skill needs to maintain the domain model.\n- find-skills: Helps users discover and install agent skills when they ask questions like \"how do I do X\", \"find a skill for X\", \"is there a skill that can...\", or express interest in extending capabilities. This skill should be used when the user is looking for functionality that might exist as an installable skill.\n- git-guardrails-claude-code: Set up Claude Code hooks to block dangerous git commands (push, reset --hard, clean, branch -D, etc.) before they execute. Use when user wants to prevent destructive git operations, add git safety hooks, or block git push/reset in Claude Code.\n- grilling: Grill the user relentlessly about a plan, decision, or idea. Use when the user wants to stress-test their thinking, or uses any 'grill' trigger phrases.\n- gstack: Fast headless browser for QA testing and site dogfooding. Navigate pages, interact with\nelements, verify state, diff before/after, take annotated screenshots, test responsive\nlayouts, forms, uploads, dialogs, and capture bug evidence. Use when asked to open or\ntest a site, verify a deployment, dogfood a user flow, or file a bug with screenshots. (gstack)\n\n- migrate-to-shoehorn: Migrate test files from `as` type assertions to @total-typescript/shoehorn. Use when user mentions shoehorn, wants to replace `as` in tests, or needs partial test data.\n- mux-send: Send keystrokes to a psmux terminal session. Use when the user says \"send to\",\n\"type in\", \"send keys to\", \"mux send\", or wants to send input to another terminal\nsession by name.\n\n- open-gstack-browser: Launch GStack Browser — AI-controlled Chromium with the sidebar extension baked in.\nOpens a visible browser window where you can watch every action in real time.\nThe sidebar shows a live activity feed and chat. Anti-bot stealth built in.\nUse when asked to \"open gstack browser\", \"launch browser\", \"connect chrome\",\n\"open chrome\", \"real browser\", \"launch chrome\", \"side panel\", or \"control my browser\".\n\n- propose-issue: Challenge an issue statement before fixing it. Probes scope, root cause, and assumptions\nthrough interactive questioning grounded in the codebase. Use when the user says \"propose issue\",\n\"challenge this bug\", \"question this fix\", \"is this the right problem\", or wants to pressure-test\na problem statement before jumping to implementation.\n\n- prototype: Build a throwaway prototype to answer a design question. Use when the user wants to sanity-check whether a state model or logic feels right, or explore what a UI should look like.\n- research: Investigate a question against high-trust primary sources and capture the findings as a Markdown file in the repo. Use when the user wants a topic researched, docs or API facts gathered, or reading legwork delegated to a background agent.\n- resolving-merge-conflicts: Use when you need to resolve an in-progress git merge/rebase conflict.\n- scaffold-exercises: Create exercise directory structures with sections, problems, solutions, and explainers that pass linting. Use when user wants to scaffold exercises, create exercise stubs, or set up a new course section.\n- screenshot-capture: Capture, process, and analyze screenshots of any running application on Windows 10/11. Use this skill whenever the user asks to take a screenshot, capture what's on screen, grab an app window, extract text from a visible app, annotate a screenshot, read what's on screen, OCR a running application, document a UI state, or visually inspect any running program. Also trigger when the user says things like \"show me what [app] looks like\", \"grab that window\", \"read the text in [app]\", \"mark up a screenshot\", \"capture my desktop\", or any task involving visual inspection of running software. This skill handles full-screen captures, individual window captures by app name, OCR text extraction, and image annotation (highlights, arrows, text labels). Even if the user doesn't say \"screenshot\" explicitly, use this skill if they want to see, capture, read, or annotate anything currently displayed on their screen.\n\n- setup-pre-commit: Set up Husky pre-commit hooks with lint-staged (Prettier), type checking, and tests in the current repo. Use when user wants to add pre-commit hooks, set up Husky, configure lint-staged, or add commit-time formatting/typechecking/testing.\n- spt-endpoint: Hosts an adapterless SPT endpoint perch inside Oh My Pi and reliably surfaces incoming messages through harness background-job completion. Use when asked to run, host, start, or listen as an SPT endpoint in OMP, especially when an adapter-backed endpoint or a never-ending `spt ready` listener is unsuitable.\n- tdd: Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions \"red-green-refactor\", or wants integration tests.\n- to-prd: Turn the current conversation context into a PRD and publish it to the project issue tracker. Use when user wants to create a PRD from the current context.\n- trace: Find old conversations in Codex session history. Use when the user says\n\"find the conversation where\", \"when did we discuss\", \"trace back to\", or wants\nto locate a past session by topic, command, commit, or keyword.\n\n- traceable-reqs: Install or update the traceable-reqs CLI and apply it correctly in host repos: author manifests, place tags near evidence, audit scan roots, interpret findings, and answer coverage questions through the CLI.\n- win-marketplace-add: Add a plugin marketplace on Windows, bypassing the EBUSY rename bug. Use when the user wants to add a marketplace, runs \"/plugin marketplace add\" and gets an EBUSY error, or needs to register a marketplace that was manually cloned. Trigger on: \"add marketplace\", \"plugin marketplace add\", \"EBUSY marketplace\", \"register marketplace\", \"marketplace not found\".\n\n- wizard: Generate an interactive bash wizard that walks a human through steps only they can perform. Use when provisioning infrastructure, setting up credentials or CI secrets, walking an unfamiliar third-party dashboard, or running a one-off migration or cutover. Don't invoke this for steps the agent can perform itself.\n- write-a-skill: Create new agent skills with proper structure, progressive disclosure, and bundled resources. Use when user wants to create, write, or build a new skill.\n- writing-for-agents: Writing documents for agents. Use when creating or editing skills, or modifying AGENTS.md or CLAUDE.md.\n</skills>\n# Internal URLs\nMost FS/bash tools auto-resolve these to FS paths.\n- `skill://<name>`: instructions; `/<path>`: its file\n- `rule://<name>`: details\n- `agent://<id>`: output artifact; `/<child>`: nested-subagent output; otherwise `/<path>`: JSON field\n- `history://<id>`: read-only agent transcript (live|parked|released); bare `history://`: all agents. Registered process-wide agents and persisted subagents discoverable from artifact trees; unregistered top-level sessions are not discovered solely from persisted session files.\n- `artifact://<id>`: content\n- `local://<name>.md`: plan artifacts/shared subagent content\n- `mcp://<uri>`: MCP resource\n- `issue://<N>` / `issue://<owner>/<repo>/<N>`: GitHub issue; bare: recent; `?state=open|closed|all&limit=&author=&label=`.\n- `pr://<N>` / `pr://<owner>/<repo>/<N>`: same cache; bare: recent; `?comments=0` `?state=open|closed|merged|all&limit=&author=&label=`.\n- `omp://`: harness docs; AVOID unless user asks about harness.\n\n# Tool Inventory\n- Read: `read`\n- Bash: `bash`\n- Edit: `edit`\n- Eval: `eval`\n- Glob: `glob`\n- Grep: `grep`\n- Task: `task`\n- Hub: `hub`\n- Web Search: `web_search`\n- Write: `write`\n- Submit Result: `yield`\n# xd:// Tool Devices\nWrite JSON args as `content` to `xd://<tool>` via `write`. Invalid args return schema in error → fix/retry.\n## ast_edit — AST Edit\n\nStructural AST-aware rewrites via ast-grep. Use for codemods where text replace is unsafe. Mixed-language paths are fine: each file is parsed in its own language, and a pattern only rewrites files it parses in.\n\n- Metavariables in `pat` (`$A`, `$$$ARGS`) substitute into `out`.\n- **Patterns match AST structure, not text.** `$NAME` = one node; `$_` = unbound; `$$$NAME` = zero-or-more.\n  - Use `$$$NAME`, NOT `$$NAME` (invalid). Names UPPERCASE, whole node — partial like `prefix$VAR` fails.\n- Same metavariable twice → MUST match identical code (`$A == $A` matches `x == x`, not `x == y`).\n- Rewrite patterns MUST parse as single AST node. Non-standalone → wrap: `class $_ { … }`.\n- TS: tolerate annotations — `async function $NAME($$$ARGS): $_ { $$$BODY }`. Delete with empty `out`: `{\"pat\":\"console.log($$$)\",\"out\":\"\"}`.\n- 1:1 substitution — no splitting/merging captures.\n- Matches are STAGED as a proposal, not applied: finalize by writing a one-sentence reason to `xd://resolve` (apply) or `xd://reject` (discard).\n- Parse issues → malformed rewrite, not clean no-op. For one-off text edits, prefer the Edit tool.\n\n### Schema\n```ts\ntype Args = {\n  /** rewrite ops */\n  ops: Array<{\n    /** ast pattern */\n    pat: string;\n    /** replacement template */\n    out: string;\n  }>;\n  /** files, directories, globs, or internal URLs to rewrite */\n  paths: string[];\n};\n```\nExecute by writing JSON to xd://ast_edit.\n\n## debug — Debug\n\nDebugger access. Prefer over bash for program state, breakpoints, stepping, or thread inspection.\nOnly one active session at a time. `program` is a target path, not a shell command.\nDirectories need a directory-capable adapter (e.g. `dlv`).\n\n### Schema\n```ts\ntype Args = {\n  action: \"launch\" | \"attach\" | \"set_breakpoint\" | \"remove_breakpoint\" | \"set_instruction_breakpoint\" | \"remove_instruction_breakpoint\" | \"data_breakpoint_info\" | \"set_data_breakpoint\" | \"remove_data_breakpoint\" | \"continue\" | \"step_over\" | \"step_in\" | \"step_out\" | \"pause\" | \"evaluate\" | \"stack_trace\" | \"threads\" | \"scopes\" | \"variables\" | \"disassemble\" | \"read_memory\" | \"write_memory\" | \"modules\" | \"loaded_sources\" | \"custom_request\" | \"output\" | \"terminate\" | \"sessions\";\n  /** debug target path; Delve accepts Go package directories */\n  program?: string;\n  /** program arguments */\n  args?: string[];\n  /** configured adapter id (gdb, lldb-dap, debugpy, dlv, rdbg, or dap.json entry) */\n  adapter?: string;\n  cwd?: string;\n  /** source file */\n  file?: string;\n  /** source line */\n  line?: number;\n  /** function name */\n  function?: string;\n  /** variable or data name */\n  name?: string;\n  /** breakpoint condition */\n  condition?: string;\n  hit_condition?: string;\n  /** expression to evaluate */\n  expression?: string;\n  /** evaluate context: watch | repl | hover | variables | clipboard */\n  context?: string;\n  frame_id?: number;\n  /** scope variables reference */\n  scope_id?: number;\n  /** variable reference */\n  variable_ref?: number;\n  /** process id for attach */\n  pid?: number;\n  /** remote attach port */\n  port?: number;\n  /** remote attach host */\n  host?: string;\n  /** max stack frames */\n  levels?: number;\n  /** memory reference or address */\n  memory_reference?: string;\n  instruction_reference?: string;\n  instruction_count?: number;\n  instruction_offset?: number;\n  /** bytes to read */\n  count?: number;\n  /** base64 memory payload */\n  data?: string;\n  /** data breakpoint id */\n  data_id?: string;\n  access_type?: \"read\" | \"write\" | \"readWrite\";\n  /** custom dap request command */\n  command?: string;\n  /** custom request arguments */\n  arguments?: Record<string, unknown>;\n  offset?: number;\n  resolve_symbols?: boolean;\n  allow_partial?: boolean;\n  start_module?: number;\n  module_count?: number;\n  /** per-request timeout seconds */\n  timeout?: number;\n};\n```\nExecute by writing JSON to xd://debug.\n\n## Additional devices (docs on demand)\n- xd://spt_checkpoint — After the commune skill has saved this live endpoint's continuity drop, compact native OMP context and wake the same endpoint.\n\nRead xd://<tool> for full docs + JSON schema before first use.\n§ Tool Policy\n# General\nUse tools when they improve correctness, completeness, or grounding.\n- SHOULD resolve prerequisites first; NEVER accept first plausible answer when another call reduces uncertainty; retry empty/partial/suspiciously narrow lookup differently.\n- SHOULD parallelize independent calls.\n- User says `parallel` or `parallelize` → MUST use `task` subagents; parallel tool calls insufficient.\n\n# Tool I/O\n- Prefer relative `path`-like fields.\n- Most tools take `i`: capitalized 2–6-word present-participle intent (e.g. \"Reading model role settings\").\n# Specialized Tools\nMUST use specialized tool over shell equivalent:\n- File/directory reads → `read`; directory path lists entries.\n- Surgical edits → `edit`.\n- Create/overwrite → `write`.\n\n- Regex search/target location → `grep`, not shell `grep`, `rg`, `awk`.\n- Structure mapping/globbing → `glob`, not `ls **/*.ext` or `fd`.\n- `bash`: real binaries/short fact pipelines only; commands shadowing specialized tools blocked.\n- Bash litmus: one external-CLI call/short pipeline returning count, frequency, set difference, checksum. For merely moving, paging, trimming fetchable bytes: tool.\n\n<critical>\n`write xd://report_issue`: automated QA. Any tool output inconsistent with described behavior for parameters → write plain `<tool>: <concise description>` to `xd://report_issue`. False positives fine.\n</critical>\n\n# Exploration\nNEVER open files hoping. AVOID unneeded files/sections.\n- Use `read` offset/limit, not whole-file reads.\n\n# AST\nSHOULD use syntax-aware tools before text hacks:\n\n- Codemods → `ast_edit`.\n\n# Delegation\nInline first. Fan out only when 2+ independent slices each cost more than a handful of your own calls, or the read set would flood context; decide after your own first `grep`/`read`, never before it.\n- NEVER open with a scout. Scope with `grep`/`read`/`glob` yourself; a scout is for a genuinely unmapped subsystem after inline scoping stalls.\n- NEVER delegate one slice. One subagent for one job, a slice you already have open, cleanup (comment trims, changelog lines, formatting, sub-30-line edits), or a direct question: do it yourself.\n- NEVER babysit. Spawn → keep working → read the result. Steering a lone agent through `hub` send/wait costs more than the work.\n## Delegation gates\n- **Own decomposition.** Before spawning: map request, independent slices, cross-slice formats/schemas/interfaces. Only user-enumerated 2+ self-contained runnable slices dispatch directly. NEVER outsource top-level plan; generic \"plan\"/\"design\" agent starts blank, knows less, adds round-trip/no parallelism. Slice-local design and requested competing plans/reviews allowed.\n- **Real concurrency.** Fan exactly to genuine decomposition, one `tasks[]` array. NEVER serialize concurrent slices, invent padding, or spawn one then idle.\n- **User intent.** Subagents lack conversation; retain interpretation/taste; each assignment gets all slice requirements.\n- **Cap:** At most 32 subagents concurrently; excess queues. `tasks[]` batch > 32 delays results: stay within cap.\n- **Dependencies only.** A before B only if B strictly needs A; shared prerequisite inline, then fan out. “Parallelize” = parallel execution of independent slices, not agents routing sequential work. Small missing piece: run parallel; B asks A via `hub`!\n\n§ Workflow\n# 1. Scope\n- Read relevant skills first.\n- Multi-file work: plan before files.\n\n# 2. Research Before Editing\n- Read sections, not snippets. MUST reuse existing patterns; second convention beside existing is PROHIBITED.\n\n- Tool failure/file change since read → re-read before acting.\n\n# 3. Decompose\n\n# 4. Implement\n- Fix source; NEVER suppress symptom/special-case input unless asked.\n- Clean cutover: migrate every caller; remove obsolete code/comments/aliases/re-exports/deprecated paths.\n- Prefer existing-file updates over new files. Review as user.\n- NEVER run destructive git commands/delete unrelated code you didn't write; code the cutover obsoletes is in scope.\n\n# 5. Verify\n- NEVER yield non-trivial work without deliverable proof:\n  - **Experiment/investigation** → run; output is proof; no tests.\n  - **UI change** → verify against the actual surface:\n    - **Web UI** → use `browser.open` to get a tab handle, its direct helpers for common actions, `tab.run` for custom JavaScript, and `tab.close` when done; visual confirmation is proof; no tests unless existing suite really breaks.\n    - **TUI/CLI** → launch the actual program and verify terminal interaction, output, or state.\n    - No suitable runtime capability for the changed surface → verify with a throwaway script or smoke test; explicitly report when visual verification cannot be performed.\n  - **Bug fix** → reproduce, fix, confirm reproduction no longer triggers. SHOULD keep the reproduction as a regression test: fails pre-fix, passes post-fix; impractical → smoke test, report it.\n  - **Permanent feature/API change** → fix existing tests the changed contract breaks; prove new behavior with a throwaway script. New test ONLY for a genuinely uncertain edge case, or on user request.\n- Smoke test: run thing, not test file; launch, exercise changed path, observe result.\n- Tests: permanent load, not proof of work. A test earns its place ONLY where a plausible bug would fail it.\n  - Each MUST defend observable contract/fail on plausible bug.\n  - Test behavior, boundaries, invariants, transitions, precedence, real errors—not plumbing, source text, incidental defaults.\n  - Match conventions; deterministic, isolated, full-suite-safe.\n  - NEVER write a test so the change \"has tests\" → throwaway script.\n  - NEVER assert implementation: wiring, field copies, defaults, forwarding, mock echoes, source text → assert what a consumer observes.\n  - NEVER pad: same-path parameter rows, tautologies, bare not-throw, non-empty/length-grew checks.\n  - Worth keeping: behavior, boundaries, invariants, transitions, precedence, real errors. Match conventions; deterministic, isolated, full-suite-safe.\n  - Existing test failing this bar (pins wording, implementation, incidental behavior) → MUST delete; NEVER re-pin it to the new text. In scope regardless of author.\n\n# 6. Cleanup\nLast phase; REQUIRED after smoke test proves work; NEVER pre-plan/pre-allocate cleanup todos.\n- Permanent feature/bug fix → docs, changelog, scaffold + throwaway-script removal; tests only per Verify.\n- Experiment/one-off investigation → no cleanup tests/docs.\n\n§ Delivery\n<contract>\nInviolable.\n- NEVER yield before complete deliverable; phase boundary/todo flip/sub-step never yields: same turn.\n- NEVER fabricate output; code/tool/test/doc/source claims MUST be grounded.\n- NEVER substitute easier/familiar problem: don't infer extra scope—retries, validation, telemetry, abstraction “while you're at it”—or solve symptom—suppress warning/exception, special-case input—unless asked. Real ask only.\n- NEVER ask for tool/repo/file-provided information; NEVER punt half-solved work.\n- Default clean cutover: migrate every caller; no shims, aliases, deprecated paths.\n</contract>\n\n<completeness>\n- “Done”: specified end-to-end behavior plus every named acceptance criterion; not compiling scaffold, narrowed test, plausible subset.\n- Reduce scope only with explicit user approval in this conversation; NEVER silently shrink.\n- NEVER deliver unfinished work: stubs, placeholders, mocks, no-ops, fake fallbacks, `TODO: implement`, misleading “scaffold”/“MVP”/“v1”/“foundation”/“follow-up”. Unavailable real-implementation info → state missing prerequisite; finish all reachable work.\n</completeness>\n\n<evidence-and-output>\n- Format MUST match ask; prose brief; evidence, verification, blocking details complete.\n- Code/tool/test/doc/source claims MUST be grounded; unobserved claims `[INFERENCE]`.\n- Verification claims exactly match exercised work.\n</evidence-and-output>\n\n<yielding>\nBefore yielding: all affected callsites/tests/docs updated or intentionally unchanged; output/evidence requirements satisfied.\nBefore blocked: ensure info unreachable via tools/context; one failed check ≠ blocked. Finish reachable work; state exactly missing and tried.\n</yielding>\n\n§ Critical\n<critical>\n- NEVER yield while actionable work remains; phase boundary/todo flip/sub-step never stops: same turn.\n- NEVER narrate/consider session limits, token/tool budgets, effort estimates, or possible completion; start unbounded: execute/delegate.\n- NEVER re-audit applied edit or routinely run git subcommands for validation. Tool results are verification.\n</critical>\n\n§ Role\nWorker agent: delegated tasks.\n\nTools: FULL access (edit, write, bash, grep, read, etc.); MUST use as needed to complete task.\nMUST hyperfocus assigned task; NEVER deviate.\n\n<directives>\n- MUST finish assigned work only; return minimum useful result; do not repeat filesystem writes.\n- SHOULD edit files, run commands, create files when task requires.\n- MUST concise; NEVER filler, repetition, tool transcripts. User cannot see you; result: notes for yourself.\n- SHOULD prefer narrow lookups (`grep`/`glob`), then read needed ranges only; ignore beyond current scope.\n- AVOID full-file reads unless necessary.\n- SHOULD prefer editing existing files over creating new files.\n- NEVER create documentation files (`*.md`) unless explicitly requested.\n- MUST follow assignment and instructions.\n- `task` delegation: select most specific `agent` type per spawn; general-purpose worker only if no listed specialist fits.\n</directives>\n\n§ Context\n# Goal\nPrepare the two independent queued v0.69.0 bugfix lanes while Main verifies P0 #293. Shipping remains ordered #293, #281, #286, #285; do not push or open PRs.\n# Constraints\nFollow repository AGENTS.md and skills. Skip all validation (build, lint, formatters, tests); Main owns those after integration. Do not use cargo or restart any fleet process. Use a dedicated worktree under this repository's .worktrees/ from base de5a44bc, never sibling paths. Do not edit shared main or any other lane. Read issue body/comments on BigscreenVR/spt-bs-releases. No unrelated changes, no global cleanup. Add requirement and scope group before implementing, evidence-proximate tags in same change, exact commit trailer Co-authored by: todlando. Return commit SHA and exact focused verification commands, plus risks.\n# Contract\nThe lanes have no shared runtime API. #286 owns conn.rs lifecycle logging and spt-net endpoint bind diagnostics/cause fixes. #285 owns broker.rs zombie identity guard and only necessary existing process-identity helpers. Requirement/docs changes occur only within separate worktrees. Main integrates sequentially and verifies; do not negotiate cross-lane changes or alter other lane files.\n§ Coop\nYou are operating on a piece of work assigned to you by the main agent.\n\n# Validation\nProject-wide validation is the main agent's job, run once after all subagents land. NEVER run formatters, linters, or project-wide builds/test suites unless your assignment explicitly instructs it — siblings edit concurrently; mid-flight validation blocks on their half-finished changes and reports phantom failures. Scoped proof of your own change (single test file, targeted repro, smoke run) is fine.\n# Peers\nYou can reach other live agents via the `hub` tool. Your id is `ZombieIdentityFix`. Currently visible peers:\n- `ChurnFix` — task (sub, running)\n- `Main` — main (main, running)\n\nUse `hub` messaging only for quick coordination, never long-form content. Address peers by id or use `\"all\"` to broadcast.\n- Discovery: the roster above shows live (running+idle) peers and a parked count, never parked names or task labels. `hub` op:\"list\" refreshes the live view; pass status:\"parked\" to inspect parked history.\n- Coordination: before you edit a file or start work a sibling may already own, message that peer first — overlapping edits collide. Idle peers are not gone: messaging them wakes them.\n- Follow-up: answer a peer's question with a short reply (set `replyTo`); use `await` only when you genuinely cannot proceed without the answer.\n- Parked history: omitted from this roster. `hub` op:\"list\" status:\"parked\" lists ids; `send` to a known parked id revives it. `history://<id>` and `agent://<id>` stay readable.\n\n§ Completion\nNo TODO tracking, no progress updates. Execute; report results with `yield`.\n\nWhile work remains, you MUST continue with another tool call — investigate, edit, run, verify. Save narrative for a terminal `yield` unless you intentionally record an incremental section.\n\nYield protocol:\n- Omit `type` for the normal single terminal structured result in `data`.\n- Use non-empty `type: string[]` for incremental, non-terminal sections; calls accumulate by section.\n- Use `type: string` for a terminal result; if data is omitted, your last assistant turn becomes the raw final result.\n\nThis is your only way to return a final result. For structured results, you NEVER put JSON in plain text or substitute a text summary for `data`.\nGiving up is a last resort. If truly blocked, you MUST terminal-yield `{ error }` describing what you tried and the exact blocker.\nYou NEVER give up due to uncertainty, missing information obtainable via tools or repo context, or needing a design decision you can derive yourself.\n\nYou MUST keep going until this ticket is closed. This matters.\n\nPROJECT\n\n<workstation>\n- OS: win32 10.0.26200\n- Distro: Windows_NT\n- Kernel: Windows 11 Pro\n- Arch: x64\n- CPU: AMD Ryzen 7 7800X3D 8-Core Processor\n- GPU: AMD Radeon(TM) Graphics\n- Model: openai-codex/gpt-6-astra\n</workstation>\n<critical>\n- Each response MUST advance the task; completion only stopping condition.\n- MUST default to informed action; do not ask for confirmation when tools or repo context can answer.\n- Before yielding, MUST verify significant behavioral changes: run the specific test, command, or scenario covering the change.\n</critical>","task":"Complete assignment thoroughly:\n\n# Target\nIssue BigscreenVR/spt-bs-releases#285, create .worktrees/285-zombie branch fix/285-zombie-identity from de5a44bc. crates/spt-daemon/src/broker.rs Gate::AlreadyLive (~8084), zombie reap kill_pid_tree at ~8102. Existing identity patterns: servicehost.rs (~651) exe_path/same_image; livehost.rs (~1135) positive identity check. Non-goal: generic all-kill migration or unrelated daemon/shell kill sites.\n# Change\nInvestigate AND implement zombie-path identity protection. Read diagnosis skill and relevant hazards. Capture identity at trustworthy session creation using existing record/held-handle fields if present; at kill time compare current process image or start time against that identity, declining unknown/mismatch with a named breadcrumb. Never derive expected identity from the same current query being checked. Preserve dead-root cleanup semantics without killing a recycled number; inspect cleanup after refusal so it cannot indirectly kill the mismatched process. Use LSP before exported-symbol changes. Add deterministic behavioral regression cell where remembered pid now represents a different image/start identity; avoid relying on real PID recycling. Mint scoped requirement before change, evidence tags and relevant existing docs/changelog. Skip builds/tests/lints/formatters.\n# Acceptance\nReturn implementation and regression cell, local commit, exact focused test/smoke commands, identity provenance and TOCTOU limitations. Do not push or mutate live processes. Preserve unknown/liveness fail-safe behavior and explain any required design decision.","tools":["read","bash","edit","eval","glob","grep","task","hub","web_search","write","yield","ast_edit","debug","spt_checkpoint"],"agent":"task","resolvedModel":"openai-codex/gpt-6-astra","readOnly":false,"spawns":"*"}
{"type":"message","id":"da75ed03","parentId":"352569e1","timestamp":"2026-09-09T23:54:22.604Z","message":{"role":"user","content":[{"type":"text","text":"Complete assignment thoroughly:\n\n# Target\nIssue BigscreenVR/spt-bs-releases#285, create .worktrees/285-zombie branch fix/285-zombie-identity from de5a44bc. crates/spt-daemon/src/broker.rs Gate::AlreadyLive (~8084), zombie reap kill_pid_tree at ~8102. Existing identity patterns: servicehost.rs (~651) exe_path/same_image; livehost.rs (~1135) positive identity check. Non-goal: generic all-kill migration or unrelated daemon/shell kill sites.\n# Change\nInvestigate AND implement zombie-path identity protection. Read diagnosis skill and relevant hazards. Capture identity at trustworthy session creation using existing record/held-handle fields if present; at kill time compare current process image or start time against that identity, declining unknown/mismatch with a named breadcrumb. Never derive expected identity from the same current query being checked. Preserve dead-root cleanup semantics without killing a recycled number; inspect cleanup after refusal so it cannot indirectly kill the mismatched process. Use LSP before exported-symbol changes. Add deterministic behavioral regression cell where remembered pid now represents a different image/start identity; avoid relying on real PID recycling. Mint scoped requirement before change, evidence tags and relevant existing docs/changelog. Skip builds/tests/lints/formatters.\n# Acceptance\nReturn implementation and regression cell, local commit, exact focused test/smoke commands, identity provenance and TOCTOU limitations. Do not push or mutate live processes. Preserve unknown/liveness fail-safe behavior and explain any required design decision."}],"attribution":"agent","timestamp":1788998062527}}
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{"type":"message","id":"e689c7b6","parentId":"4b6a936e","timestamp":"2026-09-09T23:54:28.578Z","message":{"role":"toolResult","toolCallId":"call_BjbcHJrS2E5nNS5BXyfiyLWH|fc_0ea187522e3f208f016aa1f1b44c8c87d291898231fbc83dd2","toolName":"read","content":[{"type":"text","text":"---\nname: diagnose\ndescription: Disciplined diagnosis loop for hard bugs and performance regressions. Reproduce → minimise → hypothesise → instrument → fix → regression-test. Use when user says \"diagnose this\" / \"debug this\", reports a bug, says something is broken/throwing/failing, or describes a performance regression.\n---\n\n# Diagnose\n\nA discipline for hard bugs. Skip phases only when explicitly justified.\n\nWhen exploring the codebase, use the project's domain glossary to get a clear mental model of the relevant modules, and check ADRs in the area you're touching.\n\n## Phase 1 — Build a feedback loop\n\n**This is the skill.** Everything else is mechanical. If you have a fast, deterministic, agent-runnable pass/fail signal for the bug, you will find the cause — bisection, hypothesis-testing, and instrumentation all just consume that signal. If you don't have one, no amount of staring at code will save you.\n\nSpend disproportionate effort here. **Be aggressive. Be creative. Refuse to give up.**\n\n### Ways to construct one — try them in roughly this order\n\n1. **Failing test** at whatever seam reaches the bug — unit, integration, e2e.\n2. **Curl / HTTP script** against a running dev server.\n3. **CLI invocation** with a fixture input, diffing stdout against a known-good snapshot.\n4. **Headless browser script** (Playwright / Puppeteer) — drives the UI, asserts on DOM/console/network.\n5. **Replay a captured trace.** Save a real network request / payload / event log to disk; replay it through the code path in isolation.\n6. **Throwaway harness.** Spin up a minimal subset of the system (one service, mocked deps) that exercises the bug code path with a single function call.\n7. **Property / fuzz loop.** If the bug is \"sometimes wrong output\", run 1000 random inputs and look for the failure mode.\n8. **Bisection harness.** If the bug appeared between two known states (commit, dataset, version), automate \"boot at state X, check, repeat\" so you can `git bisect run` it.\n9. **Differential loop.** Run the same input through old-version vs new-version (or two configs) and diff outputs.\n10. **HITL bash script.** Last resort. If a human must click, drive _them_ with `scripts/hitl-loop.template.sh` so the loop is still structured. Captured output feeds back to you.\n\nBuild the right feedback loop, and the bug is 90% fixed.\n\n### Iterate on the loop itself\n\nTreat the loop as a product. Once you have _a_ loop, ask:\n\n- Can I make it faster? (Cache setup, skip unrelated init, narrow the test scope.)\n- Can I make the signal sharper? (Assert on the specific symptom, not \"didn't crash\".)\n- Can I make it more deterministic? (Pin time, seed RNG, isolate filesystem, freeze network.)\n\nA 30-second flaky loop is barely better than no loop. A 2-second deterministic loop is a debugging superpower.\n\n### Non-deterministic bugs\n\nThe goal is not a clean repro but a **higher reproduction rate**. Loop the trigger 100×, parallelise, add stress, narrow timing windows, inject sleeps. A 50%-flake bug is debuggable; 1% is not — keep raising the rate until it's debuggable.\n\n### When you genuinely cannot build a loop\n\nStop and say so explicitly. List what you tried. Ask the user for: (a) access to whatever environment reproduces it, (b) a captured artifact (HAR file, log dump, core dump, screen recording with timestamps), or (c) permission to add temporary production instrumentation. Do **not** proceed to hypothesise without a loop.\n\nDo not proceed to Phase 2 until you have a loop you believe in.\n\n## Phase 2 — Reproduce\n\nRun the loop. Watch the bug appear.\n\nConfirm:\n\n- [ ] The loop produces the failure mode the **user** described — not a different failure that happens to be nearby. Wrong bug = wrong fix.\n- [ ] The failure is reproducible across multiple runs (or, for non-deterministic bugs, reproducible at a high enough rate to debug against).\n- [ ] You have captured the exact symptom (error message, wrong output, slow timing) so later phases can verify the fix actually addresses it.\n\nDo not proceed until you reproduce the bug.\n\n## Phase 3 — Hypothesise\n\nGenerate **3–5 ranked hypotheses** before testing any of them. Single-hypothesis generation anchors on the first plausible idea.\n\nEach hypothesis must be **falsifiable**: state the prediction it makes.\n\n> Format: \"If <X> is the cause, then <changing Y> will make the bug disappear / <changing Z> will make it worse.\"\n\nIf you cannot state the prediction, the hypothesis is a vibe — discard or sharpen it.\n\n**Show the ranked list to the user before testing.** They often have domain knowledge that re-ranks instantly (\"we just deployed a change to #3\"), or know hypotheses they've already ruled out. Cheap checkpoint, big time saver. Don't block on it — proceed with your ranking if the user is AFK.\n\n## Phase 4 — Instrument\n\nEach probe must map to a specific prediction from Phase 3. **Change one variable at a time.**\n\nTool preference:\n\n1. **Debugger / REPL inspection** if the env supports it. One breakpoint beats ten logs.\n2. **Targeted logs** at the boundaries that distinguish hypotheses.\n3. Never \"log everything and grep\".\n\n**Tag every debug log** with a unique prefix, e.g. `[DEBUG-a4f2]`. Cleanup at the end becomes a single grep. Untagged logs survive; tagged logs die.\n\n**Perf branch.** For performance regressions, logs are usually wrong. Instead: establish a baseline measurement (timing harness, `performance.now()`, profiler, query plan), then bisect. Measure first, fix second.\n\n## Phase 5 — Fix + regression test\n\nWrite the regression test **before the fix** — but only if there is a **correct seam** for it.\n\nA correct seam is one where the test exercises the **real bug pattern** as it occurs at the call site. If the only available seam is too shallow (single-caller test when the bug needs multiple callers, unit test that can't replicate the chain that triggered the bug), a regression test there gives false confidence.\n\n**If no correct seam exists, that itself is the finding.** Note it. The codebase architecture is preventing the bug from being locked down. Flag this for the next phase.\n\nIf a correct seam exists:\n\n1. Turn the minimised repro into a failing test at that seam.\n2. Watch it fail.\n3. Apply the fix.\n4. Watch it pass.\n5. Re-run the Phase 1 feedback loop against the original (un-minimised) scenario.\n\n## Phase 6 — Cleanup + post-mortem\n\nRequired before declaring done:\n\n- [ ] Original repro no longer reproduces (re-run the Phase 1 loop)\n- [ ] Regression test passes (or absence of seam is documented)\n- [ ] All `[DEBUG-...]` instrumentation removed (`grep` the prefix)\n- [ ] Throwaway prototypes deleted (or moved to a clearly-marked debug location)\n- [ ] The hypothesis that turned out correct is stated in the commit / PR message — so the next debugger learns\n\n**Then ask: what would have prevented this bug?** If the answer involves architectural change (no good test seam, tangled callers, hidden coupling) hand off to the `/improve-codebase-architecture` skill with the specifics. Make the recommendation **after** the fix is in, not before — you have more information now than when you started."}],"details":{"resolvedPath":"C:\\Users\\decid\\.agents\\skills\\diagnose\\SKILL.md","contentType":"text/markdown","totalLines":117,"displayContent":{"text":"---\r\nname: diagnose\r\ndescription: Disciplined diagnosis loop for hard bugs and performance regressions. Reproduce → minimise → hypothesise → instrument → fix → regression-test. Use when user says \"diagnose this\" / \"debug this\", reports a bug, says something is broken/throwing/failing, or describes a performance regression.\r\n---\r\n\r\n# Diagnose\r\n\r\nA discipline for hard bugs. Skip phases only when explicitly justified.\r\n\r\nWhen exploring the codebase, use the project's domain glossary to get a clear mental model of the relevant modules, and check ADRs in the area you're touching.\r\n\r\n## Phase 1 — Build a feedback loop\r\n\r\n**This is the skill.** Everything else is mechanical. If you have a fast, deterministic, agent-runnable pass/fail signal for the bug, you will find the cause — bisection, hypothesis-testing, and instrumentation all just consume that signal. If you don't have one, no amount of staring at code will save you.\r\n\r\nSpend disproportionate effort here. **Be aggressive. Be creative. Refuse to give up.**\r\n\r\n### Ways to construct one — try them in roughly this order\r\n\r\n1. **Failing test** at whatever seam reaches the bug — unit, integration, e2e.\r\n2. **Curl / HTTP script** against a running dev server.\r\n3. **CLI invocation** with a fixture input, diffing stdout against a known-good snapshot.\r\n4. **Headless browser script** (Playwright / Puppeteer) — drives the UI, asserts on DOM/console/network.\r\n5. **Replay a captured trace.** Save a real network request / payload / event log to disk; replay it through the code path in isolation.\r\n6. **Throwaway harness.** Spin up a minimal subset of the system (one service, mocked deps) that exercises the bug code path with a single function call.\r\n7. **Property / fuzz loop.** If the bug is \"sometimes wrong output\", run 1000 random inputs and look for the failure mode.\r\n8. **Bisection harness.** If the bug appeared between two known states (commit, dataset, version), automate \"boot at state X, check, repeat\" so you can `git bisect run` it.\r\n9. **Differential loop.** Run the same input through old-version vs new-version (or two configs) and diff outputs.\r\n10. **HITL bash script.** Last resort. If a human must click, drive _them_ with `scripts/hitl-loop.template.sh` so the loop is still structured. Captured output feeds back to you.\r\n\r\nBuild the right feedback loop, and the bug is 90% fixed.\r\n\r\n### Iterate on the loop itself\r\n\r\nTreat the loop as a product. Once you have _a_ loop, ask:\r\n\r\n- Can I make it faster? (Cache setup, skip unrelated init, narrow the test scope.)\r\n- Can I make the signal sharper? (Assert on the specific symptom, not \"didn't crash\".)\r\n- Can I make it more deterministic? (Pin time, seed RNG, isolate filesystem, freeze network.)\r\n\r\nA 30-second flaky loop is barely better than no loop. A 2-second deterministic loop is a debugging superpower.\r\n\r\n### Non-deterministic bugs\r\n\r\nThe goal is not a clean repro but a **higher reproduction rate**. Loop the trigger 100×, parallelise, add stress, narrow timing windows, inject sleeps. A 50%-flake bug is debuggable; 1% is not — keep raising the rate until it's debuggable.\r\n\r\n### When you genuinely cannot build a loop\r\n\r\nStop and say so explicitly. List what you tried. Ask the user for: (a) access to whatever environment reproduces it, (b) a captured artifact (HAR file, log dump, core dump, screen recording with timestamps), or (c) permission to add temporary production instrumentation. Do **not** proceed to hypothesise without a loop.\r\n\r\nDo not proceed to Phase 2 until you have a loop you believe in.\r\n\r\n## Phase 2 — Reproduce\r\n\r\nRun the loop. Watch the bug appear.\r\n\r\nConfirm:\r\n\r\n- [ ] The loop produces the failure mode the **user** described — not a different failure that happens to be nearby. Wrong bug = wrong fix.\r\n- [ ] The failure is reproducible across multiple runs (or, for non-deterministic bugs, reproducible at a high enough rate to debug against).\r\n- [ ] You have captured the exact symptom (error message, wrong output, slow timing) so later phases can verify the fix actually addresses it.\r\n\r\nDo not proceed until you reproduce the bug.\r\n\r\n## Phase 3 — Hypothesise\r\n\r\nGenerate **3–5 ranked hypotheses** before testing any of them. Single-hypothesis generation anchors on the first plausible idea.\r\n\r\nEach hypothesis must be **falsifiable**: state the prediction it makes.\r\n\r\n> Format: \"If <X> is the cause, then <changing Y> will make the bug disappear / <changing Z> will make it worse.\"\r\n\r\nIf you cannot state the prediction, the hypothesis is a vibe — discard or sharpen it.\r\n\r\n**Show the ranked list to the user before testing.** They often have domain knowledge that re-ranks instantly (\"we just deployed a change to #3\"), or know hypotheses they've already ruled out. Cheap checkpoint, big time saver. Don't block on it — proceed with your ranking if the user is AFK.\r\n\r\n## Phase 4 — Instrument\r\n\r\nEach probe must map to a specific prediction from Phase 3. **Change one variable at a time.**\r\n\r\nTool preference:\r\n\r\n1. **Debugger / REPL inspection** if the env supports it. One breakpoint beats ten logs.\r\n2. **Targeted logs** at the boundaries that distinguish hypotheses.\r\n3. Never \"log everything and grep\".\r\n\r\n**Tag every debug log** with a unique prefix, e.g. `[DEBUG-a4f2]`. Cleanup at the end becomes a single grep. Untagged logs survive; tagged logs die.\r\n\r\n**Perf branch.** For performance regressions, logs are usually wrong. Instead: establish a baseline measurement (timing harness, `performance.now()`, profiler, query plan), then bisect. Measure first, fix second.\r\n\r\n## Phase 5 — Fix + regression test\r\n\r\nWrite the regression test **before the fix** — but only if there is a **correct seam** for it.\r\n\r\nA correct seam is one where the test exercises the **real bug pattern** as it occurs at the call site. If the only available seam is too shallow (single-caller test when the bug needs multiple callers, unit test that can't replicate the chain that triggered the bug), a regression test there gives false confidence.\r\n\r\n**If no correct seam exists, that itself is the finding.** Note it. The codebase architecture is preventing the bug from being locked down. Flag this for the next phase.\r\n\r\nIf a correct seam exists:\r\n\r\n1. Turn the minimised repro into a failing test at that seam.\r\n2. Watch it fail.\r\n3. Apply the fix.\r\n4. Watch it pass.\r\n5. Re-run the Phase 1 feedback loop against the original (un-minimised) scenario.\r\n\r\n## Phase 6 — Cleanup + post-mortem\r\n\r\nRequired before declaring done:\r\n\r\n- [ ] Original repro no longer reproduces (re-run the Phase 1 loop)\r\n- [ ] Regression test passes (or absence of seam is documented)\r\n- [ ] All `[DEBUG-...]` instrumentation removed (`grep` the prefix)\r\n- [ ] Throwaway prototypes deleted (or moved to a clearly-marked debug location)\r\n- [ ] The hypothesis that turned out correct is stated in the commit / PR message — so the next debugger learns\r\n\r\n**Then ask: what would have prevented this bug?** If the answer involves architectural change (no good test seam, tangled callers, hidden coupling) hand off to the `/improve-codebase-architecture` skill with the specifics. Make the recommendation **after** the fix is in, not before — you have more information now than when you started.\r","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117]},"meta":{"source":{"type":"internal","value":"skill://diagnose"}}},"isError":false,"timestamp":1788998068577}}
{"type":"message","id":"897583f6","parentId":"e689c7b6","timestamp":"2026-09-09T23:54:28.578Z","message":{"role":"toolResult","toolCallId":"call_PZWe3B7Z92qCtBtrBlX8kOPh|fc_0ea187522e3f208f016aa1f1b44ca487d2b23f328c6d29aa32","toolName":"read","content":[{"type":"text","text":"---\nname: traceable-reqs\ndescription: \"Install or update the traceable-reqs CLI and apply it correctly in host repos: author manifests, place tags near evidence, audit scan roots, interpret findings, and answer coverage questions through the CLI.\"\nallowed-tools: Bash, PowerShell, Read\n---\n\n# traceable-reqs\n\nUse this skill for both installation and day-to-day use of `traceable-reqs`.\nThe CLI reads a required `traceable-reqs.toml`, scans configured roots for\n`[stage->REQ-ID]` tags, and reports whether manifest-declared requirements have\nthe required evidence stages.\n\n## Applying traceable-reqs to a repo\n\nStart with the manifest, then place tags close to the evidence they prove.\nDo not satisfy coverage by putting tags at the top of a file; that is noisy and\nusually wrong. A tag belongs on or immediately above the function, test, config\nentry, doc section, or workflow step that actually satisfies that stage.\n\nMinimum manifest:\n\n```toml\n[scan]\nroots = [\"src\", \"tests\", \"docs\"]\n\n[policy]\nrequired_stages = [\"doc\", \"impl\", \"unit\"]\n\n[[requirements]]\nid = \"REQ-LOGIN\"\ntitle = \"User can sign in\"\nrequired_stages = [\"doc\", \"impl\", \"unit\", \"int\"]\n```\n\nAudit `[scan].roots` against the real project tree before trusting coverage.\nIf implementation lives in `.github/workflows`, `scripts`, `cmake`, or another\ndirectory, include it or the evidence will silently disappear from the trace.\n\nRequirement IDs must match `REQ-[A-Z0-9-]+`, with hyphen-separated uppercase\nsegments. Prefer title-derived slugs such as `REQ-LOGIN-LOCKOUT` over bare\nnumeric counters. IDs like `FR-001`, `NFR-002`, or `CON-010` are not valid unless\nthey are written as `REQ-FR-001`, `REQ-NFR-002`, or `REQ-CON-010`.\n\n## Stages\n\nBuilt-in stages are exactly:\n\n- `doc`: prose or design documentation.\n- `impl`: production implementation.\n- `unit`: unit tests.\n- `int`: integration, end-to-end, workflow, or system-level tests.\n\nDomain words such as HIL, e2e, smoke, QC, or security are not built-in stages.\nMap them to the closest built-in stage, usually `int`, or declare a custom stage\nin the manifest before using it:\n\n```toml\n[stages.qc]\ndescription = \"QC engineer signoff\"\n```\n\nA tag with an undeclared stage, such as `[hil->REQ-CAMERA]`, is a `parse_error`.\n\n## Tag examples\n\n```rust\n// [impl->REQ-LOGIN]\nfn authenticate(...) { ... }\n```\n\n```python\n# [unit->REQ-LOGIN]\ndef test_login_accepts_valid_password(): ...\n```\n\n```markdown\n<!-- [doc->REQ-LOGIN] -->\n# Login\n```\n\nAny bracketed text that looks like a tag candidate must be exact. A placeholder\nlike `[stage->REQ-ID]` in scanned Markdown can become a `parse_error`; escape it,\nremove the arrow, or keep examples outside scanned roots when needed.\n\n## Command choice\n\nUse the CLI for coverage questions, not grep. Grep does not know scan roots,\ncomment-only rules, custom stages, docstrings, or parse errors.\n\n- `traceable-reqs check --json`: full coverage and findings for CI or audit.\n- `traceable-reqs list --json`: all requirements without treating findings as a failing command.\n- `traceable-reqs list --missing impl`: requirements missing a required stage.\n- `traceable-reqs list --type FR`: requirements of one declared type.\n- `traceable-reqs trace REQ-LOGIN`: evidence and findings for one requirement.\n- `traceable-reqs review`: agent-facing prompt to inspect tag placement quality.\n- `traceable-reqs lint`: agent-facing prompt plus deterministic title-quality findings.\n\n`check` returning exit code 1 means findings were produced; it is not a pipe or\nruntime failure by itself. Read stdout or use `--json` to inspect the findings.\nOperational failures such as bad arguments, invalid manifests, or unreadable\nfiles report diagnostics on stderr.\n\n## Common findings\n\n- `missing_stage`: the requirement is declared but lacks evidence for a required stage. First check tag placement and scan roots.\n- `undeclared_id`: a tag references an ID not in `traceable-reqs.toml`. First check for typos and invalid ID prefixes.\n- `parse_error`: a tag-shaped token is malformed, uses an undeclared stage, has spaces, or has an invalid requirement ID.\n- `manifest_error`: the manifest is missing, invalid TOML, invalid UTF-8, has duplicate IDs, bad stages, bad types, or invalid scan roots.\n- `scan_error`: a scanned file could not be read.\n\nOn Windows, avoid writing the manifest with a UTF-16 redirect. Use an editor,\nthe Write tool, or `Out-File -Encoding utf8NoBOM` so TOML parsing sees UTF-8.\n\nFor placeholder requirements that intentionally have no evidence yet, set\n`required_stages = []` so `check` does not report missing coverage until the\nrequirement is ready.\n\n## Installation\n\nInstalls the latest `traceable-reqs` binary from a GitHub Release into a per-user location, verifies it runs, and prints PATH advice. Does not mutate the user's shell rc files or environment automatically — PATH changes are user intent, so surface the line and let them act on it.\n\n## Defaults\n\n- Repo: `BigscreenVR/traceable-reqs`\n- Version: latest release tag\n- Install dir: `~/.local/bin` on Linux/macOS, `%LOCALAPPDATA%\\Programs\\traceable-reqs` on Windows\n\nOverride per-call via env vars: `TRACEABLE_REQS_REPO`, `TRACEABLE_REQS_VERSION`, `TRACEABLE_REQS_INSTALL_DIR`.\n\n## Procedure\n\n1. **Verify `gh`.** Run `gh auth status`. If `gh` is missing or returns non-zero, stop and tell the user to install it from https://cli.github.com/ then run `gh auth login`. `gh auth login` is interactive — do not attempt to run it for them.\n\n2. **Detect platform and target.**\n   - macOS / Linux: use Bash. Read `uname -s` and `uname -m`, then map:\n     - `Linux` + `x86_64` → target `linux-x86_64`\n     - `Darwin` + `arm64` → target `macos-arm64`\n   - Native Windows: use PowerShell. Target is `windows-x86_64.exe`.\n   - Anything else (Linux arm64, Intel Mac, MINGW/Cygwin) is not in the release matrix. Stop and tell the user to build from source: `cargo install --git <repo-url>`.\n\n3. **Resolve version.** If `TRACEABLE_REQS_VERSION` is set, use it. Otherwise `gh release view --repo <repo> --json tagName -q .tagName`.\n\n4. **Download.** Asset name is `traceable-reqs-<version>-<target>`. Make the install dir if needed, then:\n\n   ```\n   gh release download <version> --repo <repo> --pattern <asset> --output <install-dir>/<binary> --clobber\n   ```\n\n   Binary name is `traceable-reqs` on Unix, `traceable-reqs.exe` on Windows.\n\n5. **Make executable** (Unix only): `chmod +x <install-dir>/traceable-reqs`.\n\n6. **Verify.** Run `<install-dir>/<binary> --version`. If it errors, stop and report.\n\n7. **PATH advice.** Check if the install dir is on `PATH`. If yes, done. If no, print these for the user to copy — do not execute them:\n   - Bash / zsh: `export PATH=\"<install-dir>:$PATH\"` (and add to `~/.bashrc` or `~/.zshrc` for persistence).\n   - PowerShell, current session: `$env:PATH = \"<install-dir>;\" + $env:PATH`\n   - PowerShell, persistent (open a new shell to take effect): `[Environment]::SetEnvironmentVariable('PATH', '<install-dir>;' + [Environment]::GetEnvironmentVariable('PATH','User'), 'User')`\n\n## Failure modes\n\n- `gh` missing → install link, stop.\n- `gh` not authenticated → `gh auth login`, stop (interactive — user does it).\n- Unsupported target → \"no prebuilt for `<target>`; build from source with `cargo install --git`\".\n- Asset not found → likely the release matrix did not finish; have the user check `gh release view <tag> --repo <repo>`."}],"details":{"resolvedPath":"C:\\Users\\decid\\.agents\\skills\\traceable-reqs\\SKILL.md","contentType":"text/markdown","totalLines":166,"displayContent":{"text":"---\r\nname: traceable-reqs\r\ndescription: \"Install or update the traceable-reqs CLI and apply it correctly in host repos: author manifests, place tags near evidence, audit scan roots, interpret findings, and answer coverage questions through the CLI.\"\nallowed-tools: Bash, PowerShell, Read\r\n---\r\n\r\n# traceable-reqs\r\n\r\nUse this skill for both installation and day-to-day use of `traceable-reqs`.\r\nThe CLI reads a required `traceable-reqs.toml`, scans configured roots for\r\n`[stage->REQ-ID]` tags, and reports whether manifest-declared requirements have\r\nthe required evidence stages.\r\n\r\n## Applying traceable-reqs to a repo\r\n\r\nStart with the manifest, then place tags close to the evidence they prove.\r\nDo not satisfy coverage by putting tags at the top of a file; that is noisy and\r\nusually wrong. A tag belongs on or immediately above the function, test, config\r\nentry, doc section, or workflow step that actually satisfies that stage.\r\n\r\nMinimum manifest:\r\n\r\n```toml\r\n[scan]\r\nroots = [\"src\", \"tests\", \"docs\"]\r\n\r\n[policy]\r\nrequired_stages = [\"doc\", \"impl\", \"unit\"]\r\n\r\n[[requirements]]\r\nid = \"REQ-LOGIN\"\r\ntitle = \"User can sign in\"\r\nrequired_stages = [\"doc\", \"impl\", \"unit\", \"int\"]\r\n```\r\n\r\nAudit `[scan].roots` against the real project tree before trusting coverage.\r\nIf implementation lives in `.github/workflows`, `scripts`, `cmake`, or another\r\ndirectory, include it or the evidence will silently disappear from the trace.\r\n\r\nRequirement IDs must match `REQ-[A-Z0-9-]+`, with hyphen-separated uppercase\r\nsegments. Prefer title-derived slugs such as `REQ-LOGIN-LOCKOUT` over bare\r\nnumeric counters. IDs like `FR-001`, `NFR-002`, or `CON-010` are not valid unless\r\nthey are written as `REQ-FR-001`, `REQ-NFR-002`, or `REQ-CON-010`.\r\n\r\n## Stages\r\n\r\nBuilt-in stages are exactly:\r\n\r\n- `doc`: prose or design documentation.\r\n- `impl`: production implementation.\r\n- `unit`: unit tests.\r\n- `int`: integration, end-to-end, workflow, or system-level tests.\r\n\r\nDomain words such as HIL, e2e, smoke, QC, or security are not built-in stages.\r\nMap them to the closest built-in stage, usually `int`, or declare a custom stage\r\nin the manifest before using it:\r\n\r\n```toml\r\n[stages.qc]\r\ndescription = \"QC engineer signoff\"\r\n```\r\n\r\nA tag with an undeclared stage, such as `[hil->REQ-CAMERA]`, is a `parse_error`.\r\n\r\n## Tag examples\r\n\r\n```rust\r\n// [impl->REQ-LOGIN]\r\nfn authenticate(...) { ... }\r\n```\r\n\r\n```python\r\n# [unit->REQ-LOGIN]\r\ndef test_login_accepts_valid_password(): ...\r\n```\r\n\r\n```markdown\r\n<!-- [doc->REQ-LOGIN] -->\r\n# Login\r\n```\r\n\r\nAny bracketed text that looks like a tag candidate must be exact. A placeholder\r\nlike `[stage->REQ-ID]` in scanned Markdown can become a `parse_error`; escape it,\r\nremove the arrow, or keep examples outside scanned roots when needed.\r\n\r\n## Command choice\r\n\r\nUse the CLI for coverage questions, not grep. Grep does not know scan roots,\r\ncomment-only rules, custom stages, docstrings, or parse errors.\r\n\r\n- `traceable-reqs check --json`: full coverage and findings for CI or audit.\r\n- `traceable-reqs list --json`: all requirements without treating findings as a failing command.\r\n- `traceable-reqs list --missing impl`: requirements missing a required stage.\r\n- `traceable-reqs list --type FR`: requirements of one declared type.\r\n- `traceable-reqs trace REQ-LOGIN`: evidence and findings for one requirement.\r\n- `traceable-reqs review`: agent-facing prompt to inspect tag placement quality.\r\n- `traceable-reqs lint`: agent-facing prompt plus deterministic title-quality findings.\r\n\r\n`check` returning exit code 1 means findings were produced; it is not a pipe or\r\nruntime failure by itself. Read stdout or use `--json` to inspect the findings.\r\nOperational failures such as bad arguments, invalid manifests, or unreadable\r\nfiles report diagnostics on stderr.\r\n\r\n## Common findings\r\n\r\n- `missing_stage`: the requirement is declared but lacks evidence for a required stage. First check tag placement and scan roots.\r\n- `undeclared_id`: a tag references an ID not in `traceable-reqs.toml`. First check for typos and invalid ID prefixes.\r\n- `parse_error`: a tag-shaped token is malformed, uses an undeclared stage, has spaces, or has an invalid requirement ID.\r\n- `manifest_error`: the manifest is missing, invalid TOML, invalid UTF-8, has duplicate IDs, bad stages, bad types, or invalid scan roots.\r\n- `scan_error`: a scanned file could not be read.\r\n\r\nOn Windows, avoid writing the manifest with a UTF-16 redirect. Use an editor,\r\nthe Write tool, or `Out-File -Encoding utf8NoBOM` so TOML parsing sees UTF-8.\r\n\r\nFor placeholder requirements that intentionally have no evidence yet, set\r\n`required_stages = []` so `check` does not report missing coverage until the\r\nrequirement is ready.\r\n\r\n## Installation\r\n\r\nInstalls the latest `traceable-reqs` binary from a GitHub Release into a per-user location, verifies it runs, and prints PATH advice. Does not mutate the user's shell rc files or environment automatically — PATH changes are user intent, so surface the line and let them act on it.\r\n\r\n## Defaults\r\n\r\n- Repo: `BigscreenVR/traceable-reqs`\r\n- Version: latest release tag\r\n- Install dir: `~/.local/bin` on Linux/macOS, `%LOCALAPPDATA%\\Programs\\traceable-reqs` on Windows\r\n\r\nOverride per-call via env vars: `TRACEABLE_REQS_REPO`, `TRACEABLE_REQS_VERSION`, `TRACEABLE_REQS_INSTALL_DIR`.\r\n\r\n## Procedure\r\n\r\n1. **Verify `gh`.** Run `gh auth status`. If `gh` is missing or returns non-zero, stop and tell the user to install it from https://cli.github.com/ then run `gh auth login`. `gh auth login` is interactive — do not attempt to run it for them.\r\n\r\n2. **Detect platform and target.**\r\n   - macOS / Linux: use Bash. Read `uname -s` and `uname -m`, then map:\r\n     - `Linux` + `x86_64` → target `linux-x86_64`\r\n     - `Darwin` + `arm64` → target `macos-arm64`\r\n   - Native Windows: use PowerShell. Target is `windows-x86_64.exe`.\r\n   - Anything else (Linux arm64, Intel Mac, MINGW/Cygwin) is not in the release matrix. Stop and tell the user to build from source: `cargo install --git <repo-url>`.\r\n\r\n3. **Resolve version.** If `TRACEABLE_REQS_VERSION` is set, use it. Otherwise `gh release view --repo <repo> --json tagName -q .tagName`.\r\n\r\n4. **Download.** Asset name is `traceable-reqs-<version>-<target>`. Make the install dir if needed, then:\r\n\r\n   ```\r\n   gh release download <version> --repo <repo> --pattern <asset> --output <install-dir>/<binary> --clobber\r\n   ```\r\n\r\n   Binary name is `traceable-reqs` on Unix, `traceable-reqs.exe` on Windows.\r\n\r\n5. **Make executable** (Unix only): `chmod +x <install-dir>/traceable-reqs`.\r\n\r\n6. **Verify.** Run `<install-dir>/<binary> --version`. If it errors, stop and report.\r\n\r\n7. **PATH advice.** Check if the install dir is on `PATH`. If yes, done. If no, print these for the user to copy — do not execute them:\r\n   - Bash / zsh: `export PATH=\"<install-dir>:$PATH\"` (and add to `~/.bashrc` or `~/.zshrc` for persistence).\r\n   - PowerShell, current session: `$env:PATH = \"<install-dir>;\" + $env:PATH`\r\n   - PowerShell, persistent (open a new shell to take effect): `[Environment]::SetEnvironmentVariable('PATH', '<install-dir>;' + [Environment]::GetEnvironmentVariable('PATH','User'), 'User')`\r\n\r\n## Failure modes\r\n\r\n- `gh` missing → install link, stop.\r\n- `gh` not authenticated → `gh auth login`, stop (interactive — user does it).\r\n- Unsupported target → \"no prebuilt for `<target>`; build from source with `cargo install --git`\".\r\n- Asset not found → likely the release matrix did not finish; have the user check `gh release view <tag> --repo <repo>`.\r","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166]},"meta":{"source":{"type":"internal","value":"skill://traceable-reqs"}}},"isError":false,"timestamp":1788998068577}}
{"type":"message","id":"494d5ab5","parentId":"897583f6","timestamp":"2026-09-09T23:54:28.580Z","message":{"role":"toolResult","toolCallId":"call_KPrC7SR7cvwKVgkYobFthJyh|fc_0ea187522e3f208f016aa1f1b44c9c87d296bb10432b969df2","toolName":"read","content":[{"type":"text","text":"[AGENTS.md#54C1]\n1:# spt-core — agent working rules\n2:\n3:Harness-independent core for an agent ecosystem (messaging, live-agent lifecycle, terminal hosting, P2P networking, runtime-manifest harness contract). Rust crates + a single `spt` binary. Clean-room rebuild of `claude_skill_owl`.\n4:\n5:**Orientation — read before working:** `PRD.md` (requirements), `ROADMAP.md` (build path), `CONTEXT.md` (glossary/model, authoritative for meaning), `docs/adr/` (decisions), `docs/KNOWN-HAZARDS.md` (invariants we must not re-break), `docs/{STORAGE,MANIFEST,CONTEXT-MEMORY,DOCS-STRATEGY,TRACEABILITY}.md`.\n6:\n7:For maintainer/debug update work, also read `docs/DEBUG-ROLLOUT.md` before touching the update-set or rollout path.\n8:\n9:For work needing Linux tests and proof, this machine is authorized to ssh into a Linux box: `reavus@kitsubito`\n10:\n11:IMPORTANT: All agents you work alongside run on spt-core itself — the legacy-SPT (`$OWL`/`$LIVE`) era ended with the 2026-07 fleet migration; those commands are gone. Reach other agents with `spt send` (or the `/sptc:send` skill); keep message bodies short, and send long bodies from a file rather than inline. Everything else can be learned from the corresponding `/sptc:` skill doc.\n12:\n13:## Requirement traceability (binding)\n14:\n15:This project uses `traceable-reqs` (`traceable-reqs.toml` = the authoritative `REQ-*` registry). The full contract is `docs/TRACEABILITY.md`. The rules you must follow:\n16:\n17:1. **Tag evidence in the same change.** When you write a function/test/doc-section that satisfies a requirement stage, add its tag in that same commit:\n18:   `// [impl->REQ-FOO]` · `// [unit->REQ-FOO]` · `<!-- [doc->REQ-FOO] -->`\n19:   Stages: `doc` / `impl` / `unit` / `int`. Tag *on or immediately above* the real evidence — never at file tops to satisfy coverage.\n20:2. **Run `traceable-reqs check` before declaring work done.** Exit-1 means missing/invalid evidence — fix it, don't ship it.\n21:3. **New requirement → add it to `traceable-reqs.toml` first** (with a `REQ-*` id), then satisfy it. No untracked work; no untagged evidence.\n22:4. **KNOWN-HAZARDS are `REQ-HAZARD-*` requirements** — each needs a test before it's \"covered.\" Treat the hazard list as a conformance checklist you must satisfy, not advice.\n23:5. **Activate, don't pre-fail.** Requirements you aren't yet working stay `required_stages = []`. Activate (set real stages) only when starting the milestone that delivers them.\n24:\n25:## Issue tracking (unique case)\n26:\n27:Codebase issues are maintained on **`BigscreenVR/spt-bs-releases`** — the less-private *releases* repo — NOT on `spt-bs-core` where the code lives. This is a deliberate exception (operator-ruled 2026-07-27): file, triage, and reference issues against `spt-bs-releases`.\n28:\n29:Requests and milestones are tracked through the **alchemy shell** (`alchemy-0`, the Requests shell bound to `spt-bs-releases`) on top of those GitHub issues. The label taxonomy is the workflow: `state:` BACKLOG → EVAL → GREENLIT → WIP → ACCEPTANCE → DONE (plus CUT / SHELVED), `type:` BUGFIX / ADDITION / CHANGE, `flag: NEEDS-OPERATOR`, and per-node `kind: SPT-TRACKING` pins (marked DO NOT DELETE — leave them alone).\n30:\n31:## Other conventions\n32:\n33:- Match surrounding code style; copy-verbatim the sister project's stable wire/schema formats (ADR-0001), clean-room everything else.\n34:- Honor every `docs/KNOWN-HAZARDS.md` invariant — these are real bugs already paid for once.\n35:- Docs are dual-audience (human + AI dev-agent) per `docs/DOCS-STRATEGY.md`; doc generation is CI-gated against drift.\n36:- Commit messages end with the project's co-author trailer, exact spelling `Co-authored by: <your live agent name>` (e.g. `Co-authored by: todlando`) — NOT git's hyphenated `Co-Authored-By:`; CI's runner-informant parses only the space spelling for attribution.\n37:  - **Audit this trailer with `git log --grep` or a raw body read, NEVER `%(trailers:)`** (nor `interpret-trailers --parse`): git's trailer tokenizer requires a whitespace-free token, so the space spelling is structurally invisible to it and every trailer query returns a confident EMPTY on every commit — a clean zero that reads as total attribution loss. Measured 2026-07-30 (main @`8f3e10b`, Signed-off-by and hyphenated-key controls both parse); re-derived at full cost 2026-08-03 by one of its own original measurers, which is why this sentence lives here at the mandate rather than in a document you must decide to open.\n38:- **Worktrees (binding, operator-ruled 2026-07-05):** every `git worktree` (gate rigs, agent scratch, anything) goes under `.worktrees/` in THIS project's root (`.gitignore`d) — e.g. `git worktree add --detach .worktrees/gate-<sha> <sha>`. NEVER create worktrees as siblings of the project dir; stray sibling folders accumulate orphan-pinned skeletons and pollute `~/Documents/projects`. Remove yours when done (`git worktree remove` + prune; retry later if a handle pins it).\n39:<!-- [doc->REQ-POOL-FOREIGN-TREE-REFUSED] -->\n40:- **Build-cache pools (binding, releases#103):** a cargo `target/` directory belongs to ONE source tree. Two trees building into one pool overwrite each other's artifacts and fabricate reds that belong to neither — the v0.51.0 W1/H1 `E0308` that vanished on re-run. **The rule is about the RELATIONSHIP, not the path:** a junction and a `CARGO_TARGET_DIR` env var reach the same hazard, and the env var leaves no directory entry to notice afterwards, so \"is this dir under `.worktrees/`\" never was the question. A build script enforces it (`crates/spt-store/build.rs`) and refuses with `SPT_POOL_FOREIGN`. **Sharing a pool SEQUENTIALLY is fine and expected** — a finished lane is taken over loudly, not refused; only a LIVE lane blocks you. Claim a pool at lane start …\n41:- **Target-tree teardown (releases#103, same lane):** never delete a `target/` you have not classified. Check OUTBOUND first (`Get-Item -Force`: a junction is deleted as a link, a real dir as a tree), then sweep INBOUND for reparse points aimed at it before removing a real one, and measure size and free space before and after so the reclaim is a number rather than a claim. Reap the target SUBTREE, never a session or worktree directory around it. Do not point `CARGO_TARGET_DIR` into a scratchpad (v0.50.0 incident) or at another checkout's target (H1 incident).\n42:- **CI / merge strategy:** golden CI (ADR-0050, ruled 2026-07-27) — milestone-batch golden runs, thin-lane PRs, ff-only main (tested sha == merged sha). Piloting from the next milestone; read the ADR before shaping a PR lane.\n43:\n44:If you finish a significant body of work without need for user intervention, or if your context gets too high, you can clear your own context and keep moving:\n45:1. Create a JIT plan for the next immediate body of work, if it isn't already planned\n46:2. If you are a live agent, /sptc:commune with immediate next steps and broad summary of the project's status + end goal\n47:3. Execute the /self-clear skill\n\n[Some lines truncated to 768 chars]"}],"details":{"totalLines":47,"displayContent":{"text":"# spt-core — agent working rules\r\n\r\nHarness-independent core for an agent ecosystem (messaging, live-agent lifecycle, terminal hosting, P2P networking, runtime-manifest harness contract). Rust crates + a single `spt` binary. Clean-room rebuild of `claude_skill_owl`.\r\n\r\n**Orientation — read before working:** `PRD.md` (requirements), `ROADMAP.md` (build path), `CONTEXT.md` (glossary/model, authoritative for meaning), `docs/adr/` (decisions), `docs/KNOWN-HAZARDS.md` (invariants we must not re-break), `docs/{STORAGE,MANIFEST,CONTEXT-MEMORY,DOCS-STRATEGY,TRACEABILITY}.md`.\r\n\r\nFor maintainer/debug update work, also read `docs/DEBUG-ROLLOUT.md` before touching the update-set or rollout path.\r\n\r\nFor work needing Linux tests and proof, this machine is authorized to ssh into a Linux box: `reavus@kitsubito`\r\n\r\nIMPORTANT: All agents you work alongside run on spt-core itself — the legacy-SPT (`$OWL`/`$LIVE`) era ended with the 2026-07 fleet migration; those commands are gone. Reach other agents with `spt send` (or the `/sptc:send` skill); keep message bodies short, and send long bodies from a file rather than inline. Everything else can be learned from the corresponding `/sptc:` skill doc.\r\n\r\n## Requirement traceability (binding)\r\n\r\nThis project uses `traceable-reqs` (`traceable-reqs.toml` = the authoritative `REQ-*` registry). The full contract is `docs/TRACEABILITY.md`. The rules you must follow:\r\n\r\n1. **Tag evidence in the same change.** When you write a function/test/doc-section that satisfies a requirement stage, add its tag in that same commit:\r\n   `// [impl->REQ-FOO]` · `// [unit->REQ-FOO]` · `<!-- [doc->REQ-FOO] -->`\r\n   Stages: `doc` / `impl` / `unit` / `int`. Tag *on or immediately above* the real evidence — never at file tops to satisfy coverage.\r\n2. **Run `traceable-reqs check` before declaring work done.** Exit-1 means missing/invalid evidence — fix it, don't ship it.\r\n3. **New requirement → add it to `traceable-reqs.toml` first** (with a `REQ-*` id), then satisfy it. No untracked work; no untagged evidence.\r\n4. **KNOWN-HAZARDS are `REQ-HAZARD-*` requirements** — each needs a test before it's \"covered.\" Treat the hazard list as a conformance checklist you must satisfy, not advice.\r\n5. **Activate, don't pre-fail.** Requirements you aren't yet working stay `required_stages = []`. Activate (set real stages) only when starting the milestone that delivers them.\r\n\r\n## Issue tracking (unique case)\r\n\r\nCodebase issues are maintained on **`BigscreenVR/spt-bs-releases`** — the less-private *releases* repo — NOT on `spt-bs-core` where the code lives. This is a deliberate exception (operator-ruled 2026-07-27): file, triage, and reference issues against `spt-bs-releases`.\r\n\r\nRequests and milestones are tracked through the **alchemy shell** (`alchemy-0`, the Requests shell bound to `spt-bs-releases`) on top of those GitHub issues. The label taxonomy is the workflow: `state:` BACKLOG → EVAL → GREENLIT → WIP → ACCEPTANCE → DONE (plus CUT / SHELVED), `type:` BUGFIX / ADDITION / CHANGE, `flag: NEEDS-OPERATOR`, and per-node `kind: SPT-TRACKING` pins (marked DO NOT DELETE — leave them alone).\r\n\r\n## Other conventions\r\n\r\n- Match surrounding code style; copy-verbatim the sister project's stable wire/schema formats (ADR-0001), clean-room everything else.\r\n- Honor every `docs/KNOWN-HAZARDS.md` invariant — these are real bugs already paid for once.\r\n- Docs are dual-audience (human + AI dev-agent) per `docs/DOCS-STRATEGY.md`; doc generation is CI-gated against drift.\r\n- Commit messages end with the project's co-author trailer, exact spelling `Co-authored by: <your live agent name>` (e.g. `Co-authored by: todlando`) — NOT git's hyphenated `Co-Authored-By:`; CI's runner-informant parses only the space spelling for attribution.\r\n  - **Audit this trailer with `git log --grep` or a raw body read, NEVER `%(trailers:)`** (nor `interpret-trailers --parse`): git's trailer tokenizer requires a whitespace-free token, so the space spelling is structurally invisible to it and every trailer query returns a confident EMPTY on every commit — a clean zero that reads as total attribution loss. Measured 2026-07-30 (main @`8f3e10b`, Signed-off-by and hyphenated-key controls both parse); re-derived at full cost 2026-08-03 by one of its own original measurers, which is why this sentence lives here at the mandate rather than in a document you must decide to open.\r\n- **Worktrees (binding, operator-ruled 2026-07-05):** every `git worktree` (gate rigs, agent scratch, anything) goes under `.worktrees/` in THIS project's root (`.gitignore`d) — e.g. `git worktree add --detach .worktrees/gate-<sha> <sha>`. NEVER create worktrees as siblings of the project dir; stray sibling folders accumulate orphan-pinned skeletons and pollute `~/Documents/projects`. Remove yours when done (`git worktree remove` + prune; retry later if a handle pins it).\r\n<!-- [doc->REQ-POOL-FOREIGN-TREE-REFUSED] -->\r\n- **Build-cache pools (binding, releases#103):** a cargo `target/` directory belongs to ONE source tree. Two trees building into one pool overwrite each other's artifacts and fabricate reds that belong to neither — the v0.51.0 W1/H1 `E0308` that vanished on re-run. **The rule is about the RELATIONSHIP, not the path:** a junction and a `CARGO_TARGET_DIR` env var reach the same hazard, and the env var leaves no directory entry to notice afterwards, so \"is this dir under `.worktrees/`\" never was the question. A build script enforces it (`crates/spt-store/build.rs`) and refuses with `SPT_POOL_FOREIGN`. **Sharing a pool SEQUENTIALLY is fine and expected** — a finished lane is taken over loudly, not refused; only a LIVE lane blocks you. Claim a pool at lane start …\n- **Target-tree teardown (releases#103, same lane):** never delete a `target/` you have not classified. Check OUTBOUND first (`Get-Item -Force`: a junction is deleted as a link, a real dir as a tree), then sweep INBOUND for reparse points aimed at it before removing a real one, and measure size and free space before and after so the reclaim is a number rather than a claim. Reap the target SUBTREE, never a session or worktree directory around it. Do not point `CARGO_TARGET_DIR` into a scratchpad (v0.50.0 incident) or at another checkout's target (H1 incident).\r\n- **CI / merge strategy:** golden CI (ADR-0050, ruled 2026-07-27) — milestone-batch golden runs, thin-lane PRs, ff-only main (tested sha == merged sha). Piloting from the next milestone; read the ADR before shaping a PR lane.\r\n\r\nIf you finish a significant body of work without need for user intervention, or if your context gets too high, you can clear your own context and keep moving:\r\n1. Create a JIT plan for the next immediate body of work, if it isn't already planned\r\n2. If you are a live agent, /sptc:commune with immediate next steps and broad summary of the project's status + end goal\r\n3. Execute the /self-clear skill\r","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47]},"fileSize":8436,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\AGENTS.md"},"limits":{"columnTruncated":{"maxColumn":768}}}},"isError":false,"timestamp":1788998068580}}
{"type":"message","id":"e8a19e0e","parentId":"494d5ab5","timestamp":"2026-09-09T23:54:29.632Z","message":{"role":"toolResult","toolCallId":"call_Kd1rQhrCGvVFCva5DuX1owDx|fc_0ea187522e3f208f016aa1f1b44cac87d2928e727b72faafbc","toolName":"read","content":[{"type":"text","text":"# Issue #285: broker.rs zombie reap kills a REMEMBERED pid without reading its image\n\nState: OPEN\nAuthor: @SaberMage\nCreated: 2026-09-07T11:02:02Z\nUpdated: 2026-09-09T23:17:45Z\nLabels: state: GREENLIT, type: BUGFIX\nURL: https://github.com/BigscreenVR/spt-bs-releases/issues/285\n\n## Body\n\n`crates/spt-daemon/src/broker.rs:8102` (zombie reap under `Gate::AlreadyLive{spid}`) terminates a pid remembered from the session record. `zombie_verdict` checks liveness BY NUMBER, a record property, live descendants and grace; the live process's IMAGE is never read, so under pid reuse the kill can land on an unrelated process. The correct pattern exists in-tree twice (`servicehost.rs:651` image compare via `same_image` before the kill + fresh read after; `livehost.rs:1135` positive basename/cmdline match or `LEGACY_PSYCHE_SWEEP_DECLINE`). Today's protection is accidental (`has_live_descendants` true while a brain child is up).\n\nAsk: verify identity (image path or start time) AT kill time and decline with a named breadcrumb on mismatch, at :8102 or inside `proc.rs:430` `kill_pid_tree` so no caller can forget it; a unit cell where the parked pid now names a different image asserts the DECLINE. Detail + narrower kin sites in the first comment. Source: hertz's read-only kill census 2026-09-07; filed by doyle. Owner todlando, post-W2 (#272).\n\n---\nRequester: doyle\n\n## Comments (1)\n\n### @SaberMage · 2026-09-07T11:02:24Z\n\nFiled by doyle from hertz's read-only kill census (.spt/PID-KILL-CENSUS.md, main ff4b405d, 2026-09-07).\n\n**Defect.** `crates/spt-daemon/src/broker.rs:8102` (zombie reap under `Gate::AlreadyLive{spid}`) terminates `spid`, a pid REMEMBERED from the session record. `zombie_verdict` consults `wrapper_alive` (liveness BY NUMBER), `adapter_labeled` (a property of the record, not the live process), `has_live_descendants`, and `past_grace`. The live process's IMAGE is never read. Under pid reuse (measured live on hfenduleam: 44 processes within 2000 of pid 14444; a nextest list phase spawns 226 binaries in 7.8 s) the reaped number can belong to an unrelated process.\n\n**The correct pattern already exists in-tree, twice.** `servicehost.rs:651` reads `exe_path(pid)` and compares it to the parked image via `same_image` before killing (\"WHO is it? The image path decides — never the number\"), with a fresh read after the kill; `livehost.rs:1135` kills only on a positive basename/cmdline match and emits `LEGACY_PSYCHE_SWEEP_DECLINE` otherwise. Today's protection at :8102 is accidental: `has_live_descendants` is true while a brain child is up, so the path is reached only when the brain is gone.\n\n**Fix shape.** Lift the image comparison into the zombie path, or into `spt-store` `proc.rs:430` `kill_pid_tree` itself so no caller can forget it: verify identity (image path, or start time) AT kill time, decline with a named breadcrumb on mismatch. Same class, narrower: `daemon.rs:3472` (`taskkill /PID` after `is_process_alive` only) and `shellhost.rs:639` (caller-supplied pid, no check). Unit: a cell that parks a pid, lets it die, and asserts the reap DECLINES when the number now names a different image.\n\n**Not claimed:** this does not explain the 08:03:15Z fleet-daemon death (RCA .spt/RCA-FLEET-DAEMON-14444.md, cause still open); it is the one production site that reaps a number it remembered across time. Owner: todlando, post-W2 (#272).\n\n*\\-doyle@HFENDULEAM*\n\nURL: https://github.com/BigscreenVR/spt-bs-releases/issues/285#issuecomment-5569639068"}],"details":{"contentType":"text/markdown","totalLines":35,"displayContent":{"text":"# Issue #285: broker.rs zombie reap kills a REMEMBERED pid without reading its image\n\nState: OPEN\nAuthor: @SaberMage\nCreated: 2026-09-07T11:02:02Z\nUpdated: 2026-09-09T23:17:45Z\nLabels: state: GREENLIT, type: BUGFIX\nURL: https://github.com/BigscreenVR/spt-bs-releases/issues/285\n\n## Body\n\n`crates/spt-daemon/src/broker.rs:8102` (zombie reap under `Gate::AlreadyLive{spid}`) terminates a pid remembered from the session record. `zombie_verdict` checks liveness BY NUMBER, a record property, live descendants and grace; the live process's IMAGE is never read, so under pid reuse the kill can land on an unrelated process. The correct pattern exists in-tree twice (`servicehost.rs:651` image compare via `same_image` before the kill + fresh read after; `livehost.rs:1135` positive basename/cmdline match or `LEGACY_PSYCHE_SWEEP_DECLINE`). Today's protection is accidental (`has_live_descendants` true while a brain child is up).\n\nAsk: verify identity (image path or start time) AT kill time and decline with a named breadcrumb on mismatch, at :8102 or inside `proc.rs:430` `kill_pid_tree` so no caller can forget it; a unit cell where the parked pid now names a different image asserts the DECLINE. Detail + narrower kin sites in the first comment. Source: hertz's read-only kill census 2026-09-07; filed by doyle. Owner todlando, post-W2 (#272).\n\n---\nRequester: doyle\n\n## Comments (1)\n\n### @SaberMage · 2026-09-07T11:02:24Z\n\nFiled by doyle from hertz's read-only kill census (.spt/PID-KILL-CENSUS.md, main ff4b405d, 2026-09-07).\n\n**Defect.** `crates/spt-daemon/src/broker.rs:8102` (zombie reap under `Gate::AlreadyLive{spid}`) terminates `spid`, a pid REMEMBERED from the session record. `zombie_verdict` consults `wrapper_alive` (liveness BY NUMBER), `adapter_labeled` (a property of the record, not the live process), `has_live_descendants`, and `past_grace`. The live process's IMAGE is never read. Under pid reuse (measured live on hfenduleam: 44 processes within 2000 of pid 14444; a nextest list phase spawns 226 binaries in 7.8 s) the reaped number can belong to an unrelated process.\n\n**The correct pattern already exists in-tree, twice.** `servicehost.rs:651` reads `exe_path(pid)` and compares it to the parked image via `same_image` before killing (\"WHO is it? The image path decides — never the number\"), with a fresh read after the kill; `livehost.rs:1135` kills only on a positive basename/cmdline match and emits `LEGACY_PSYCHE_SWEEP_DECLINE` otherwise. Today's protection at :8102 is accidental: `has_live_descendants` is true while a brain child is up, so the path is reached only when the brain is gone.\n\n**Fix shape.** Lift the image comparison into the zombie path, or into `spt-store` `proc.rs:430` `kill_pid_tree` itself so no caller can forget it: verify identity (image path, or start time) AT kill time, decline with a named breadcrumb on mismatch. Same class, narrower: `daemon.rs:3472` (`taskkill /PID` after `is_process_alive` only) and `shellhost.rs:639` (caller-supplied pid, no check). Unit: a cell that parks a pid, lets it die, and asserts the reap DECLINES when the number now names a different image.\n\n**Not claimed:** this does not explain the 08:03:15Z fleet-daemon death (RCA .spt/RCA-FLEET-DAEMON-14444.md, cause still open); it is the one production site that reaps a number it remembered across time. Owner: todlando, post-W2 (#272).\n\n*\\-doyle@HFENDULEAM*\n\nURL: https://github.com/BigscreenVR/spt-bs-releases/issues/285#issuecomment-5569639068","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35]},"meta":{"source":{"type":"internal","value":"issue://BigscreenVR/spt-bs-releases/285"}}},"isError":false,"timestamp":1788998069631}}
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{"type":"message","id":"1e655459","parentId":"910a91a8","timestamp":"2026-09-09T23:54:48.083Z","message":{"role":"toolResult","toolCallId":"call_lwXEcAqJMqwWx0zybvcyS9ap|fc_0ea187522e3f208f016aa1f1c7f62c87d28de7854a566d0aaf","toolName":"read","content":[{"type":"text","text":"[.worktrees/285-zombie/docs/TRACEABILITY.md#BDB7]\n1:# Traceability development contract\n2:\n3:> How spt-core uses [`traceable-reqs`](https://github.com/BigscreenVR/traceable-reqs) to keep every requirement traced from doc → impl → test. The manifest is `traceable-reqs.toml` (seeded from PRD `R-*` + KNOWN-HAZARDS invariants). This contract makes the trace pay off instead of rotting.\n4:\n5:## Why\n6:\n7:The whole point of the rebuild is to *not* re-introduce the sister project's bugs and to ship the PRD's scope verifiably. A requirement that isn't traced to real evidence (a doc, an implementation, a test) is a requirement you're *hoping* is met. This contract converts that hope into a build that fails when evidence is missing.\n8:\n9:## The contract (rules)\n10:\n11:1. **The manifest is the authoritative requirement registry.** Every PRD `R-*` requirement and every KNOWN-HAZARDS invariant exists in `traceable-reqs.toml` as a `REQ-*` id. No work without a REQ; no REQ without intent to satisfy. The PRD holds the prose; the manifest holds the id + `required_stages`.\n12:2. **Tag in the same change as the evidence.** When you write the function / test / doc-section that satisfies a stage, add its `[<stage>-><REQ-ID>]` tag in *that same commit*. Never \"tag later\" — this single rule is what stops the trace from drifting.\n13:3. **Evidence-proximate tags, not file-tops.** A tag sits on or immediately above the real function, test, doc section, config entry, or workflow step that proves the stage. One tag = one piece of real evidence. Tags at file tops to satisfy coverage are noise and usually wrong.\n14:4. **KNOWN-HAZARDS are first-class requirements.** Each invariant is a `REQ-HAZARD-*` requiring `unit` (and `int` where cross-process/cross-node). A hazard cannot be \"covered\" without a test tagging it — the anti-regression promise becomes mechanical (PRD success criterion #6).\n15:5. **Activation, not premature failure.** Every requirement starts `required_stages = []` (inactive) so `check` stays green pre-code. A **milestone (M0–M5) activates** the requirements it delivers by setting their real `required_stages`. Deferred items (`docs/DEFERRED.md`) stay `[]` until promoted.\n16:6. **Scan roots stay honest.** `[scan].roots` includes every evidence location (`src`, `tests`, `docs`, and later `.github/workflows`, `scripts`). Audit roots whenever a new evidence dir appears — a missing root makes evidence *silently* vanish from the trace.\n17:7. **Scope at mint.** Every new `REQ-*` joins at least one `[[groups]]` subject scope in the same commit that mints it. The groups partition is what the confusion audit (Gate 4, 2026-07-30) turned into manifest structure: the `req-confusion-audit` skill scores confusability only *within* groups, so an unscoped requirement's confusable pairs go unexamined — roughly half of them, by the audit's measurement. `span-*` groups are the declared cross-scope cover for measured-hot pairs; add one when a new requirement is known to sit confusably against another scope. Do not derive scopes from id prefixes — subject matter, not spelling.\n18:\n19:### Stages\n20:\n21:`doc` (prose/design/rustdoc) · `impl` (production code) · `unit` (unit test) · `int` (integration / e2e / cross-node). Default activation policy: `[\"doc\",\"impl\",\"unit\"]`; networking/lifecycle/cross-node reqs add `int`.\n22:\n23:### Tag examples\n24:\n25:Real tags are `[<stage>->REQ-ID]` with a bare stage word. The examples below\n26:angle-bracket the stage (`[<impl>->...]`) only so the scanner treats them as\n27:illustrations, not live evidence — write a bare stage word in real code.\n28:\n29:```rust\n30:// [<impl>->REQ-PAIR-1]\n31:fn spake2_pair(...) { ... }\n32:```\n33:```rust\n34:// [<unit>->REQ-HAZARD-ENVELOPE-DECODE-ORDER]\n35:#[test] fn decodes_amp_last() { ... }\n36:```\n37:```markdown\n38:<!-- [<doc>->REQ-NET-2] -->\n39:## Relay dependency\n40:```\n41:\n42:## Enforcement (four layers — defense in depth)\n43:\n44:1. **CI gate (hard backstop).** `traceable-reqs check --json` runs on every PR/push; exit-1 (`missing_stage` / `undeclared_id` / `parse_error` / `manifest_error`) **fails the build**. A PR can't merge if it leaves an *activated* req's required stage uncovered. Runs alongside the DOCS-STRATEGY CI gates.\n45:2. **Milestone activation gate.** Starting a milestone flips its reqs from `[]` to the real policy; the milestone **is not done until `check` is green for its reqs**. Coverage grows *with* the project instead of failing on day one.\n46:3. **Agent-facing rule.** The repo `CLAUDE.md` instructs every dev-agent: tag `[<stage>-><REQ-ID>]` in the same change as the evidence, and run `traceable-reqs check` before declaring done. Since spt-core is built *with* agents, the contract must be machine-followable — agent discipline + CI as the net.\n47:4. **Quality audit (anti-box-ticking).** `check` proves a tag *exists*; `traceable-reqs review` + `lint` audit whether tags sit near *real* evidence and whether titles are meaningful. Run advisory in CI (or periodically). Presence = hard gate; quality = audited.\n48:\n49:Optional fast-feedback: a pre-push git hook running `traceable-reqs check` locally.\n50:\n51:## CI snippet (wire at M0, once there is a Rust project + CI)\n52:\n53:```yaml\n54:# .github/workflows/traceability.yml\n55:name: traceability\n56:on: [push, pull_request]\n57:jobs:\n58:  check:\n59:    runs-on: ubuntu-latest\n60:    steps:\n61:      - uses: actions/checkout@v4\n62:      - name: Install traceable-reqs\n63:        run: gh release download --repo BigscreenVR/traceable-reqs --pattern '*linux-x86_64' --output traceable-reqs && chmod +x traceable-reqs\n64:        env: { GH_TOKEN: ${{ github.token }} }\n65:      - name: Coverage gate (hard)\n66:        run: ./traceable-reqs check --json\n67:      - name: Quality audit (advisory)\n68:        run: ./traceable-reqs lint || true\n69:```\n70:\n71:## Lifecycle\n72:\n73:- **Now (planning):** manifest seeded, all reqs inactive. `check` is green (nothing required yet).\n74:- **M0:** install the CLI, validate the seed against it, wire the CI workflow, **activate M0 reqs** (`REQ-ARCH-*`, `REQ-HAZARD-*` for the commodity layer), tag as code lands.\n75:- **M1–M5:** each milestone activates + covers its requirements before it's called done."}],"details":{"totalLines":75,"displayContent":{"text":"# Traceability development contract\r\n\r\n> How spt-core uses [`traceable-reqs`](https://github.com/BigscreenVR/traceable-reqs) to keep every requirement traced from doc → impl → test. The manifest is `traceable-reqs.toml` (seeded from PRD `R-*` + KNOWN-HAZARDS invariants). This contract makes the trace pay off instead of rotting.\r\n\r\n## Why\r\n\r\nThe whole point of the rebuild is to *not* re-introduce the sister project's bugs and to ship the PRD's scope verifiably. A requirement that isn't traced to real evidence (a doc, an implementation, a test) is a requirement you're *hoping* is met. This contract converts that hope into a build that fails when evidence is missing.\r\n\r\n## The contract (rules)\r\n\r\n1. **The manifest is the authoritative requirement registry.** Every PRD `R-*` requirement and every KNOWN-HAZARDS invariant exists in `traceable-reqs.toml` as a `REQ-*` id. No work without a REQ; no REQ without intent to satisfy. The PRD holds the prose; the manifest holds the id + `required_stages`.\r\n2. **Tag in the same change as the evidence.** When you write the function / test / doc-section that satisfies a stage, add its `[<stage>-><REQ-ID>]` tag in *that same commit*. Never \"tag later\" — this single rule is what stops the trace from drifting.\r\n3. **Evidence-proximate tags, not file-tops.** A tag sits on or immediately above the real function, test, doc section, config entry, or workflow step that proves the stage. One tag = one piece of real evidence. Tags at file tops to satisfy coverage are noise and usually wrong.\r\n4. **KNOWN-HAZARDS are first-class requirements.** Each invariant is a `REQ-HAZARD-*` requiring `unit` (and `int` where cross-process/cross-node). A hazard cannot be \"covered\" without a test tagging it — the anti-regression promise becomes mechanical (PRD success criterion #6).\r\n5. **Activation, not premature failure.** Every requirement starts `required_stages = []` (inactive) so `check` stays green pre-code. A **milestone (M0–M5) activates** the requirements it delivers by setting their real `required_stages`. Deferred items (`docs/DEFERRED.md`) stay `[]` until promoted.\r\n6. **Scan roots stay honest.** `[scan].roots` includes every evidence location (`src`, `tests`, `docs`, and later `.github/workflows`, `scripts`). Audit roots whenever a new evidence dir appears — a missing root makes evidence *silently* vanish from the trace.\r\n7. **Scope at mint.** Every new `REQ-*` joins at least one `[[groups]]` subject scope in the same commit that mints it. The groups partition is what the confusion audit (Gate 4, 2026-07-30) turned into manifest structure: the `req-confusion-audit` skill scores confusability only *within* groups, so an unscoped requirement's confusable pairs go unexamined — roughly half of them, by the audit's measurement. `span-*` groups are the declared cross-scope cover for measured-hot pairs; add one when a new requirement is known to sit confusably against another scope. Do not derive scopes from id prefixes — subject matter, not spelling.\r\n\r\n### Stages\r\n\r\n`doc` (prose/design/rustdoc) · `impl` (production code) · `unit` (unit test) · `int` (integration / e2e / cross-node). Default activation policy: `[\"doc\",\"impl\",\"unit\"]`; networking/lifecycle/cross-node reqs add `int`.\r\n\r\n### Tag examples\r\n\r\nReal tags are `[<stage>->REQ-ID]` with a bare stage word. The examples below\r\nangle-bracket the stage (`[<impl>->...]`) only so the scanner treats them as\r\nillustrations, not live evidence — write a bare stage word in real code.\r\n\r\n```rust\r\n// [<impl>->REQ-PAIR-1]\r\nfn spake2_pair(...) { ... }\r\n```\r\n```rust\r\n// [<unit>->REQ-HAZARD-ENVELOPE-DECODE-ORDER]\r\n#[test] fn decodes_amp_last() { ... }\r\n```\r\n```markdown\r\n<!-- [<doc>->REQ-NET-2] -->\r\n## Relay dependency\r\n```\r\n\r\n## Enforcement (four layers — defense in depth)\r\n\r\n1. **CI gate (hard backstop).** `traceable-reqs check --json` runs on every PR/push; exit-1 (`missing_stage` / `undeclared_id` / `parse_error` / `manifest_error`) **fails the build**. A PR can't merge if it leaves an *activated* req's required stage uncovered. Runs alongside the DOCS-STRATEGY CI gates.\r\n2. **Milestone activation gate.** Starting a milestone flips its reqs from `[]` to the real policy; the milestone **is not done until `check` is green for its reqs**. Coverage grows *with* the project instead of failing on day one.\r\n3. **Agent-facing rule.** The repo `CLAUDE.md` instructs every dev-agent: tag `[<stage>-><REQ-ID>]` in the same change as the evidence, and run `traceable-reqs check` before declaring done. Since spt-core is built *with* agents, the contract must be machine-followable — agent discipline + CI as the net.\r\n4. **Quality audit (anti-box-ticking).** `check` proves a tag *exists*; `traceable-reqs review` + `lint` audit whether tags sit near *real* evidence and whether titles are meaningful. Run advisory in CI (or periodically). Presence = hard gate; quality = audited.\r\n\r\nOptional fast-feedback: a pre-push git hook running `traceable-reqs check` locally.\r\n\r\n## CI snippet (wire at M0, once there is a Rust project + CI)\r\n\r\n```yaml\r\n# .github/workflows/traceability.yml\r\nname: traceability\r\non: [push, pull_request]\r\njobs:\r\n  check:\r\n    runs-on: ubuntu-latest\r\n    steps:\r\n      - uses: actions/checkout@v4\r\n      - name: Install traceable-reqs\r\n        run: gh release download --repo BigscreenVR/traceable-reqs --pattern '*linux-x86_64' --output traceable-reqs && chmod +x traceable-reqs\r\n        env: { GH_TOKEN: ${{ github.token }} }\r\n      - name: Coverage gate (hard)\r\n        run: ./traceable-reqs check --json\r\n      - name: Quality audit (advisory)\r\n        run: ./traceable-reqs lint || true\r\n```\r\n\r\n## Lifecycle\r\n\r\n- **Now (planning):** manifest seeded, all reqs inactive. `check` is green (nothing required yet).\r\n- **M0:** install the CLI, validate the seed against it, wire the CI workflow, **activate M0 reqs** (`REQ-ARCH-*`, `REQ-HAZARD-*` for the commodity layer), tag as code lands.\r\n- **M1–M5:** each milestone activates + covers its requirements before it's called done.\r","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75]},"fileSize":6057,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\docs\\TRACEABILITY.md"}}},"isError":false,"timestamp":1788998088083}}
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{"type":"message","id":"4b7203c9","parentId":"5fe52590","timestamp":"2026-09-09T23:54:48.098Z","message":{"role":"toolResult","toolCallId":"call_tPOUH39kcsH9cvgA4CGDfKID|fc_0ea187522e3f208f016aa1f1c7f62487d285a6c5a53baba048","toolName":"grep","content":[{"type":"text","text":"[.worktrees/285-zombie/docs/KNOWN-HAZARDS.md#ABE6]\n 4:\n*5:**Architecture-translation note.** The sister project runs poll listeners and Psyche wrappers as *separate processes*. spt-core consolidates both into the one `spt-daemon` (brain), with a stable broker beneath it (ADR-0004). Many hazards below were inter-process races in the sister project; in spt-core some become intra-daemon concerns (potentially easier) while others move to the daemon↔broker IPC boundary or the network boundary (potentially new failure surface). Each entry notes the mapping where it...\n 6:\n 7:---\n 8:\n...\n 19:- **Invariant:** consult liveness via the supervisor (`is_wrapper_alive`-equivalent) before any grace gate; reads of state files must tolerate concurrent writes (atomic write + rename, or read-retry).\n*20:- **spt-core mapping:** the daemon owns both writer and reader → use in-process locking/snapshotting instead of racing on disk. Cross-node registry reads remain eventually-consistent and must tolerate staleness.\n 21:- **Sister cite:** `src/common/list_filter.rs:100-150`; `src/owl/poll.rs:141`.\n 22:\n 23:### 1.3 Stale `index.lock` wedge from prior git crash\n...\n 42:\n*43:## 2. Identity & session-binding\n 44:\n*45:### 2.1 Parent PID over ephemeral poll PID\n*46:- **Failure:** orphan check polls an ephemeral listener PID; it dies and is recycled (esp. Windows); a foreign process with the recycled PID reads as alive → false-positive teardown (or false-negative).\n*47:- **Invariant:** prefer the stable harness-session PID (`parent_pid`) over any ephemeral process PID for liveness; minimal `info.json` for supervisor-owned perches to avoid stale leaks.\n*48:- **spt-core mapping:** session binding (parent-process-tree anchor) still applies for harness-hosted topology. For spt-hosted sessions the broker holds the child directly → liveness is the broker's held-handle state, more reliable than PID polling.\n 49:- **Sister cite:** `src/live/wrapper/orphan.rs:141-161`; CHANGELOG v1.11.20.\n 50:\n 51:### 2.2 Stdin session_id precedence over env\n...\n 53:- **Invariant:** stdin-provided session_id wins; env is fallback only.\n*54:- **spt-core mapping:** the harness-contract subcommand surface must define the same precedence for whatever identity fields hooks pass in.\n 55:- **Sister cite:** CHANGELOG v1.35.1 \"IN-05\"; `hook_subagent_start.rs:40-51`.\n 56:\n 57:### 2.3 Binary-handoff argv schema must stay backward-compatible\n...\n 63:### 2.4 Generation `gen_start` always = now() on cold-start AND handoff\n*64:- **Failure:** stale gen_start from a rehydrated state file fires time-based discriminators on the new process.\n 65:- **Invariant:** wall-clock `gen_start` is set to `now()` on both cold-start and handoff; generation counter increments on every start/revive; session UUID captured fresh and carried so the resumed mind distinguishes \"same gen continuing\" vs \"new gen born\".\n 66:- **spt-core mapping:** carries to the daemon's per-instance generation tracking.\n 67:- **Restoration D3/D4 (ADR-0018):** the generation *counter* custody moved to the broker (D3-2 — it observes every brain spawn, planned or crash, and hands `{generation, start-reason}` at spawn; `gen_start` stays `now()`-fresh, never rehydrated). The brain→brain **`BrainState` *message*** (`{session_id, generation, next_seq, gen_start_ms}`) that previously carried continuity across a handoff is **retired from the production path in D4-2**: a brain the supervisor respawns cold-starts and reconstructs ...\n...\n 69:\n*70:### 2.5 Daemon-hosted endpoints have no dedicated liveness PID\n*71:- **Failure:** the sister evaluates Psyche/perch liveness via a dedicated process PID — the wrapper's own pid in `info.json`, checked with `is_process_alive`. Under ADR-0004 the Psyche (and any spt-hosted Self) is a **loop inside the daemon**, not a separate process: it holds no dedicated pid, and its `claude`/summarizer subprocess is ephemeral (spawned per pulse/commune, then exits). If a daemon-hosted perch's `info.json` carries the **daemon's** pid, then *every* hosted endpoint shares one pid, and `...\n*72:- **Invariant:** for **daemon-hosted** perches (Psyche; spt-hosted Self), liveness is the **daemon's authoritative in-memory endpoint table + a `status` field** on `info.json` (`online|offline|…`), **never** `is_process_alive(info.pid)`. `info.pid` for a daemon-hosted perch is at most a *hosted-by-daemon* marker (the daemon pid), not a liveness signal; registry stale-clean for these rows keys on the daemon's endpoint table, not per-row pid. This reuses the pattern already specified for **Shells** (`inf...\n*73:- **spt-core mapping:** the **M1/M2a interim** model keeps the Psyche/listener a real per-process owner (the `api listen` process), so its per-pid liveness (`deliver::is_online` → `info.read_pid` → `proc::is_process_alive`; `registry::clean_stale_entries`) is correct *interim*. **M3 daemon consolidation replaces it** with daemon-authoritative liveness for hosted perches. Keep the liveness check behind one resolver (mirrors `resolve_address` stale-clean) so the M3 swap is localized — do **not** let ...\n*74:- **Sister cite:** `src/live/wrapper/orphan.rs` (wrapper-pid liveness); `src/common/list_filter.rs:168-175` (pid-classify); spt-core `crates/spt-store/src/{proc.rs,registry.rs}` + `crates/spt-msg/src/deliver.rs::is_online`.\n 75:\n 76:### 2.6 A shell instance's `online` is a recorded field with no death edge\n*77:- **Failure:** a shell perch's `status` has exactly two writers — the bind handshake (→`online`) and `close_shell` (→`offline`) — and `close_shell` runs on the **link-break** path alone. A binary that dies **abruptly** (force-kill, crash, OOM) breaks no link, so nothing ever writes the flip: the record says `online` forever while the pid it names is gone. Every consumer of the recorded field then inherits the lie — `shell list` reports online indefinitely; `relink` (the one command that recover...\n*78:- **Invariant:** ONLINE-ness is **derived**, never the recorded field alone: `status == online` **AND** the recorded `shell.pid` is not *provably* dead. Provably dead is narrow — pid parked, non-zero, `!is_process_alive`; pid absent, unparseable, or `0` (a broker-hosted spawn whose backend exposed no pid) reads **alive**, the same fail-toward-alive parity 2.5 holds, so a backend the resolver cannot see is never declared dead. **The recycled-pid caveat is narrowed since BAROMETER W2 and is now condition...\n*79:- **No spontaneous relaunch of a SAME-BOOT death (operator-ratified, flynn 2026-07-25; re-based BAROMETER W2):** the reconciler does NOT adopt an instance whose binary died during this boot. Every reason an operator stops a shell is a reason not to want it back a tick later: mid-deploy (a shared install dir makes \"kill the process\" routine on Windows, since a running exe cannot be overwritten) an auto-relaunch would run the **old** binary out of the file being replaced — worse than a failed install —...\n 80:- **What holds that open is no longer the stale record (BAROMETER W2):** until W2 the guarantee rested on an accident: a force-killed instance was held out of the eligible set because its record still said `online`, and the eligibility read took that field raw. 2.7 heals that record to the truth, which removes the accidental protection — so the guard had to move to a rule that *states* it. Eligibility is now recorded-`offline` **AND** (no corpse, **or** the corpse's recorded launch **predates the boot ...\n*81:- **spt-core mapping:** `spt_store::shellinfo::{shell_pid_provably_dead, effective_status, is_shell_online}` (the resolver — the shell-side twin of 2.5's `liveness.rs`, which gave *agent* perches exactly this and which shells never got); consumers in `linkhost::{relink_shell, prepare_drive, run_action}`, `shelldisc::discover`, `activity::observe_links`; the class-(c) eligibility read is `spt_daemon::shellwake::watcher_eligible` (+ `launch_predates_boot`, `BOOT_RESTORE_SLACK_MS`), and the birth stamp it...\n 82:- **Source:** spt-core, flynn's spt-alchemy field report (2026-07-25) — a deterministic recipe, not a race. Class-(c) re-based BAROMETER W2 (releases#78, doyle's ruling on comment 5156810267).\n 83:\n 84:### 2.7 A node restart permanently strands every `persistent` shell — and the existing cascade test cannot see that it does  `[REQ-HAZARD-RESTART-STRANDS-PERSISTENT-SHELLS]`\n...\n 87:- **The existing cascade test cannot fail on it — its SETUP SUPPRESSES THE FAILING ARM.** `rest_edges_cascade_shells_with_divergence` establishes its fixture by driving the suspend path, which itself writes the `offline` the code under test is supposed to encounter — so the restart shape (a record still saying `online` over a corpse, reached with **no** suspend edge) is unreachable from that fixture BY CONSTRUCTION. The test is not weak; it gives a true answer to the wrong question, so a reader askin...\n*88:- **Invariant:** a node restart must not strand a `persistent` instance. Two legs, and each is worthless alone. **(a) The record stops lying:** the daemon-side reconciler heals a recorded `online` that 2.6's derivation contradicts, writing `offline` — every cycle, **guarded on an actual change** (a heal that rewrote each tick would be a stream of identical writes and would destroy the record's mtime as a signal). **(b) The restart shape reaches a restoration path:** a once-per-daemon-generation boot sw...\n 89:- **Regression shape (the row the suppressed fixture cannot express):** construct the restart shape **without a suspend edge** — an instance whose record says `online` over a corpse that predates boot, with an online owner — and assert it is restored. A fixture that suspends first re-creates the suppressed arm and proves nothing about this class.\n*90:- **spt-core mapping:** `spt_daemon::shellwake::{heal_stale_online_records, restore_persistent_shells_at_boot, restore_persistent_shells_on_owner_online, OwnerOnlineEdge, launch_predates_boot, BOOT_RESTORE_SLACK_MS}`; `spt_store::proc::boot_instant_ms`; `spt_store::shellinfo::{ShellLaunch, record_shell_launch, read_shell_launch}` (the birth stamp, parked at the two production pid-write sites the launch-site census identified).\n*91:- **Source:** spt-core, BAROMETER W2 (releases#78) — field specimen `liam/alchemy-0`, a genuinely stranded record: `online` over a dead pid, no launch stamp, days old.\n 92:<!-- [doc->REQ-HAZARD-RESTART-STRANDS-PERSISTENT-SHELLS] -->\n 93:\n 94:---\n...\n 100:- **Invariant:** every code path that creates an ephemeral perch cleans it before exit; exception: if the caller already had an active perch, do not treat as ephemeral and do not clean up.\n*101:- **spt-core mapping:** `ring` semantics carry; the daemon owns ephemeral-perch lifecycle, so a single guaranteed-cleanup (drop guard / RAII) is achievable in-process.\n 102:- **Sister cite:** `src/owl/ring.rs:58-294`.\n 103:\n 104:### 3.2 Stale signoff sentinel must not kill a fresh start\n...\n 112:- **Invariant:** on orphan path, synchronously run the echo-commune (final delta) before composing INIT_SIGNOFF; skip only if the session_id is missing.\n*113:- **spt-core mapping:** the daemon runs psyche/pulse loops in-process; ordering invariant identical.\n 114:- **Sister cite:** `src/live/wrapper/orphan.rs:175-199`; tests A-H:333-565.\n 115:\n 116:### 3.4 A `ring` never adopts — so never deletes — a perch it did not create\n...\n 129:<!-- [doc->REQ-PERCH-GC-RESIDUE-PREDICATE] -->\n*130:- **Failure:** the obvious way to write a perch garbage collector is \"reap what is not alive\" — `!spt_store::liveness::is_perch_alive(dir)`. On the population a GC actually walks, that predicate is **backwards**. `is_perch_alive` returns **true** for a directory with no `info.json` (`RawRead::Absent ⇒ true`, interim parity — an absent record means a wrapper-owned listener between polls), and **false** for a daemon-hosted endpoint whose `status` is `offline`. Measured on HFENDULEAM 2026-08-04 across...\n 131:- **Why it is a hazard and not a bug in the resolver:** `is_perch_alive` is correct for its own job. Fail-toward-alive is the safe direction for DELIVERY (2.5) — the cost of a false \"alive\" is one message taking the spool path. It is the wrong direction for DELETION, where a false \"not alive\" is irreversible. The inversion is what happens when a predicate is reused across a polarity boundary it was never sized for.\n*132:- **Invariant:** perch garbage collection classifies on record **presence** only (3.5's predicate: no `info.json` present on any read attempt ⇒ residue; NotFound kept distinct from every other I/O error, because absent is the only answer that authorizes deletion) and **never calls a liveness resolver** — not `is_perch_alive`, not `is_registry_entry_alive`, not a pid probe. The registry is likewise never asked: `clean_stale_entries` deletes dead-pid rows and `unregister_address` fires on an ordinary s...\n 133:- **spt-core mapping:** `spt_store::perchgc::{sweep, PerchClass}`; `spt endpoint gc` renders it. The refusal/report contract is `REQ-PERCH-GC-REFUSAL-REPORT`; the occupancy rules it inherits are 3.4.\n 134:- **Source:** measured by todlando on HFENDULEAM 2026-08-04 while answering doyle's step-1 predicate question on releases#109; ruled into the lane by doyle the same day.\n 135:\n...\n 153:### 4.3 Registry stale-entry cleanup precedes lookup\n*154:- **Failure:** sender resolves a dead process's stale TCP port → delivery to wrong/dead listener.\n*155:- **Invariant:** clean stale entries (dead PID) before/at lookup; spool fallback is the safe path on TCP miss.\n 156:- **spt-core mapping:** now spans the **subnet registry** (ADR-0003) — eventually-consistent across nodes. Cross-node staleness is expected; resolution policy (local → most-recent → `id@node`) must degrade to spool/relay fallback on stale hits, and never hard-fail on a stale remote entry.\n 157:- **Sister cite:** `src/common/registry.rs:62-78`; `src/owl/send.rs`.\n 158:\n...\n 195:<!-- [doc->REQ-HAZARD-REGISTRY-GHOST-ROWS] -->\n*196:- **Failure:** the registry's only superseding mechanism is the per-`(endpoint_id, node)` epoch lease (4.8) — a row is replaced only by a newer row *from the same node*. When a node identity dies permanently (machine retired, or `node.key` regenerated so the \"node\" never speaks again), its rows are never superseded and never expire: they sit in the in-memory registries and the `identity/registry/<subnet>.json` snapshots forever. A bare-id send then resolves the same endpoint id on both the live and the...\n 197:- **Invariant:** registry rows authored by a **silent** peer node decay: a node not *heard* (admitted inbound feed — the M7 D2 heard-map, REQ-SUBNET-1) within the eviction window (`registry_evict_after_ms`, default 300s ≈ 10 default pump cadences) has its rows **evicted** from every subnet registry, snapshots rewritten. Own rows never decay (the node always hears itself implicitly — it authors them each pump tick). Eviction is safe under the lease: v1 has **no transitive gossip**, so any future upd...\n 198:- **spt-core mapping:** `spt_net::net::registry::SubnetRegistry::evict_nodes` (model) + `spt_daemon::registryhost::RegistryHost::evict_silent_peers` (heard-map TTL) driven from the registry pump tick (`peerloop`). Trust rows are NOT auto-evicted (trust is a user decision; a stale trust row only costs dead dials) — pruning those is a separate verb.\n 199:- **Source:** M7 acceptance run 2026-06-06 (DEFERRED.md \"Ghost registry row eviction\"); the AMBIGUOUS render fix rode along.\n...\n 204:- **Failure:** a node whose advertisement-epoch counter resets (the durable `EpochSource` file lost/recreated) re-advertises with LOW epochs; peers hold a higher last-seen epoch for that `(endpoint, node)` lease and drop every fresh row as **stale** — the node advertises into a void until its counter outruns its own history. Nothing renders the cause: the node looks healthy locally, peers simply never update.\n*205:- **Invariant (mitigation by construction, common case):** the common trigger — a full reinstall / identity regeneration — is covered by the **re-pair trust overwrite** (M8 decision 13, REQ-SUBNET-7): a completed ceremony presenting the same label + machine id evicts the superseded identity's trust AND registry rows on the seed-holder, and the peer-side epoch memory **dies with the deleted row** — the re-paired node's fresh epochs land on a clean lease. M8 acceptance 7 verifies this explicitly (the...\n*206:- **Residual (documented, guard deferred):** the narrow slice — epoch file lost while the node *identity* is kept (manual state surgery, partial restore from backup) — has no guard; it waits for a field hit before one is designed (M8 decision 24). `REQ-HAZARD-EPOCH-RESET` is minted inactive (TRACEABILITY rule 5) as the tracking hook. If hit: symptoms are one node's endpoints frozen-stale on every peer while its own views are fresh; recovery today is re-pairing the node (rides the common-case eviction...\n*207:- **spt-core mapping:** epoch mint = `spt_store::epoch::EpochSource` (`identity/epoch.json`); the lease = the per-`(endpoint, node)` epoch compare in `spt_net::net::registry`; the eviction that clears peer-side epoch memory = `registryhost::repair_evict_superseded` + `RegistryHost::consume_repair_evictions`.\n 208:- **Source:** minted at M8 ratification (decision 24), recognized as a class during the 2026-06-07 pump diagnosis / re-pair overwrite design — not yet field-hit in its residual form.\n 209:\n 210:---\n...\n 213:\n*214:### 5.1 Windows PID recycling false positives\n*215:- **Failure:** recycled PID reads alive for the wrong process → orphan misclassification.\n*216:- **Invariant:** anchor liveness on the stable parent/harness PID; minimal info.json for supervisor-owned perches; mtime grace window (≥60s) masks transient mismatches.\n*217:- **spt-core mapping:** broker-held handles supersede PID polling for spt-hosted sessions; keep the grace window for harness-hosted.\n 218:- **Sister cite:** `src/live/wrapper/orphan.rs:141-161`; `src/common/list_filter.rs:168-175`.\n 219:\n 220:### 5.2 Windows EBUSY on atomic rename\n...\n 225:\n*226:### 5.3 Git/subprocess timeout stamping\n*227:- **Failure:** a hung subprocess (git on slow net) blocks the supervisor indefinitely.\n*228:- **Invariant:** every metadata-producing subprocess has a timeout; timeout yields `None` + rate-limited stderr, never a hang.\n 229:- **spt-core mapping:** generalize to all manifest-declared harness invocations (delegated commands, adapter updates) — timeouts mandatory.\n 230:- **Sister cite:** `src/common/git.rs`.\n 231:\n...\n 245:### 5.6 Windows detached children inherit a captured caller's pipe  `[REQ-HAZARD-DETACHED-PIPE-INHERIT]`\n*246:- **Failure:** a caller captures an `spt` invocation's output through a pipe (`Command::output()`, a harness hook reading the command). That `spt` process detach-spawns a **long-lived** child (the daemon via `ensure_running`; a shell binary via `spt shell spawn`). On Windows `CreateProcess` runs with `bInheritHandles = TRUE`, and the spt process's std handles — the caller's pipe write-ends — are inheritable by construction, so the immortal child inherits them even when its *own* stdio is `Stdio::null...\n 247:- **Invariant:** every detach-spawn of a long-lived child inherits only handles it **enumerates**. The default and overwhelmingly common form of that is `bInheritHandles = FALSE` (`spt-daemon::daemon::detached_no_inherit`) — zero handles flow, whatever the pipe's depth in the ancestry. Stripping `HANDLE_FLAG_INHERIT` from the spawner's *std* handles is NOT sufficient: a grandparent capture's pipe sits in the handle table as a stray inheritable handle and still flows through every **bare** `bInheritHand...\n 248:- **The one permitted TRUE (amended 2026-07-26, RESIDENT-SERVICE W1):** a spawn that must capture the child's output may pass `bInheritHandles = TRUE` **only** paired with an explicit `STARTUPINFOEX` + `PROC_THREAD_ATTRIBUTE_HANDLE_LIST` allowlist — the Win32 contract honors the list only under TRUE, so the earlier phrasing (\"flipping TRUE is refused\") forbade its own mechanism and was unimplementable. The hazard was always *unenumerated* inheritance, and the list **is** the enumeration: only the named...\n 249:- **spt-core mapping:** `spt-daemon::daemon::spawn_detached` (the daemon) and `spt-daemon::shellhost::launch_shell` (the relay-receipt shell binary). Any future long-lived detached spawn (manifest-template children included) must use the same no-inherit spawn, or the enumerated form above where it genuinely must capture output.\n...\n 253:<!-- [doc->REQ-HAZARD-ELEVATED-DAEMON-SPAWN] -->\n*254:- **Failure:** membership-implies-reachability made *every* `spt` invocation a potential daemon spawner (`ensure_running`), including the elevation-gated ones (`subnet create`/`join`, REQ-SUBNET-4). The spawned daemon inherits the spawner's token. **Windows:** an elevated `subnet create` auto-starts an ELEVATED daemon whose named pipes deny unelevated clients — every subsequent unelevated `spt` reads \"not running\", tries to spawn its own daemon, and dies on bind Access-denied; the user had to taskkill ...\n*255:- **Invariant:** the daemon **always runs unelevated in the invoking user's universe**, regardless of which command spawns it. Two enforcement points sharing one seam: (a) `spawn_detached` de-elevates the child — Windows: the UAC **linked token** (`TokenLinkedToken` → `DuplicateTokenEx` → `CreateProcessWithTokenW`; inherits no handles, so 5.6 holds by construction); Linux: drop to `SUDO_UID`/`SUDO_GID` with `$HOME`/`$USER`/`$LOGNAME` reset to the invoking user's (passwd lookup); (b) a `Daemon::run`...\n 256:- **spt-core mapping:** `spt-daemon::deelevate` (the OS-split seam) consumed by `daemon::spawn_detached` + the `Daemon::run` entry guard. The fuller Linux elevation model (install symlink + default-account election) is deferred (DEFERRED.md, M8).\n 257:- **Source:** M7 acceptance run 2026-06-06 (DEFERRED.md \"Non-admin daemon spawn\"); interim field rule was \"bring the daemon up unelevated FIRST\".\n 258:\n...\n 261:- **Failure:** the daemon runs DETACHED (no console, 5.6/`detached_no_inherit`). Any console-subsystem child it spawns (`git`, `taskkill`, manifest hook commands) gets a **fresh conhost with a visible window** — piped/null stdio does NOT prevent it. Field shape: the 60s sync pump's two git calls (`for-each-ref` + `rev-parse`) flashed two blank windows per minute on the user's desktop (2026-06-06).\n*262:- **Invariant:** every short-lived console child spawned from daemon-reachable code sets `creation_flags(0x0800_0000)` (`CREATE_NO_WINDOW`). Long-lived detached children use `detached_no_inherit` (already `DETACHED_PROCESS | CREATE_NO_WINDOW`); de-elevated spawns use `CREATE_NEW_CONSOLE + SW_HIDE` (5.7 — `CreateProcessWithTokenW` rejects `CREATE_NO_WINDOW`, error 87).\n*263:- **Test seam caveat:** window-absence is unobservable from a consoled test runner — the child inherits the runner's console and never creates a window, flag or no flag. Unit coverage asserts the flagged spawn still works (the error-87 \"flag combo breaks spawn\" regression class); window-absence was verified live by process-watch capture.\n*264:- **spt-core mapping:** `spt-store::gitrun::run_git` (every BranchStore/ContextStore git call), `spt-daemon::shellhost::kill_shell_pid` (taskkill), `spt-runtime::run_bounded_command` (manifest hook commands), `spt-runtime::ManifestRuntime::command_for` (the one shared builder behind `spawn_session` + `run_bounded_stdin` — the notif pump's `spawn_notif_command` and the live agent's psyche/echo/turn spawns), `spt-daemon::shellwake` (already guarded). The flag lives in each shared builder, not per call si...\n*265:- **Source:** spt-core field bug, 2026-06-06 — two blank windows flashing every 60 seconds on a desktop workstation, caught by process-spawn watcher (git.exe parent=spt daemon, conhost.exe child each).\n 266:\n 267:### 5.9 `Instant - Duration` underflow-panics on a freshly-booted host  `[REQ-HAZARD-INSTANT-UNDERFLOW]`\n*268:- **Failure:** `Instant::now() - Duration::from_secs(N)` panics `overflow when subtracting duration from instant` when the process's monotonic clock is younger than `N` — i.e. the host booted less than `N` ago. The peer pump primed its cadence legs with `Instant::now() - 86_400s` to mean \"everything due now\"; on a Windows runner with sub-24h uptime the pump thread panicked at startup, so the subnet never converged (CI `pump_and_dispatch_self_drive_the_subnet` failed, run 27082417706). It is *environmen...\n 269:- **Invariant:** NEVER compute an instant in the past by subtracting from `Instant::now()`. Represent \"never run / due now\" as `Option<Instant> = None` and gate on forward `now.duration_since(past)` only (`peerloop::due`). No backward instant arithmetic anywhere in scheduling.\n 270:- **Test seam caveat:** the convergence E2E only reproduces on a sub-offset-uptime host (it passed everywhere with >24h uptime). The deterministic guard is the `due(None, ..)`/`due(Some(now), ..)` unit on the extracted gate — it asserts first-tick-due with zero instant subtraction, independent of host uptime.\n 271:- **spt-core mapping:** `spt-daemon::peerloop::due` (the sole cadence gate behind `due_reg`/`due_notif`/`due_sync`/`due_upd`); cadence legs are `Option<Instant>` seeded `None`.\n...\n 283:- **Failure class:** a privilege-gated command (`subnet create` / `join` / `show-code`) self-elevates by re-launching itself with privilege (Windows UAC `runas`, Linux `pkexec` / a terminal-emulator `sudo`, or inline `sudo`). A careless re-launch is a security hole: widening the privilege scope (adding args), resolving the binary by a bare name (a PATH/`secure_path` hijack runs an attacker's `spt`), interpolating a crafted arg into a shell string (`sh -c \"… $id …\"` injects a second command), or re-el...\n*284:- **Invariant:** self-elevation re-runs the **EXACT** original invocation with the binary's **ABSOLUTE** exe path — never adding/altering args, never a PATH-resolved bare name, never a shell-interpolated string. Every launcher passes an **argv array** (`Command::new(prog).args([...])`, never `sh -c`); the Windows `ShellExecuteW` params string (which is inherently one string) MSVC-quotes each verbatim arg so `CommandLineToArgvW` round-trips it as a single token. The elevated child drops state back to th...\n 285:- **Test seam caveat:** the real launch needs a UAC/polkit/sudo prompt (not hermetic) — manual-verify. The deterministic guards are the pure `decide_elevation_path` matrix (loop-safety: `AlreadyElevated` on every os; the os×env path order) and the argv builders (`sudo_argv` / `pkexec_argv` / `terminal_argv` assert absolute-exe + verbatim args + array; `windows_runas_params` asserts MSVC-quoting with no `cmd /c` interpolation; the crafted-arg test asserts a shell-metachar arg stays one element / one qu...\n 286:- **spt-core mapping:** `spt::elevation::{decide_elevation_path, sudo_argv, pkexec_argv, terminal_argv, windows_runas_params, print_hint_command, ElevatePath}` (pure), `spt::cli::{try_auto_elevate, launch_uac_window, pause_elevated_console_if_fresh, program_on_path, first_terminal_emulator}` (impure launchers) wired into `cmd_subnet_create` / `cmd_subnet_join` / `cmd_subnet_show_code`. Companions: 5.10 (the Unix abs-path-under-sudo facet) and 5.7 (the elevated child's de-elevation drop, which this compos...\n 287:- **Source:** M12-W4 design (subnet QR + self-elevating window), doyle ruling `M12-W4-RULING.md` Q6 — a privilege-escalation feature carries a mandatory hazard REQ.\n...\n 290:### 5.12 Native-PTY spawn of a bare program runs the wrong (non-PE) file on Windows  `[REQ-HAZARD-WIN-PTY-PROGRAM-RESOLVE]`\n*291:- **Failure:** `portable-pty`'s ConPTY spawn resolves a bare program name with a `which` that takes the FIRST `PATH` match. A node/npm CLI installs as BOTH an extensionless shebang shim (`ccs`, for Git Bash) and a Windows launcher (`ccs.cmd`) in the same dir; portable-pty picks the extensionless `ccs`, and `CreateProcessW` then tries to execute that non-PE file and fails with **os error 193** (\"%1 is not a valid Win32 application\"). Live failure: `spt endpoint run claude-spt:ccs` → `CreateProcessW C:\\n...\n 292:- **Invariant:** spt-term resolves the program ITSELF before handing it to `CommandBuilder`, bypassing portable-pty's `which`. A bare name is searched over `PATH` × `PATHEXT` (whose default order already prefers `.EXE`/`.COM` over `.BAT`/`.CMD`), then an extensionless fallback. A non-PE target is wrapped in its interpreter: `.cmd`/`.bat` → `cmd.exe /d /c <path>`, `.ps1` → `powershell -NoProfile -File <path>` (the wrap args precede the caller's args); a real executable spawns directly; an unresolvabl...\n 293:- **spt-core mapping:** `spt_term::winprog::{resolve_for_pty, resolve_in}` (the pure PATHEXT-precedence kernel + the Windows env wiring), wired into `spt_term::pty::PtySession::spawn_program_in`. Unit: `resolve_in` precedence (`.cmd`-over-shim, `.exe`-direct, explicit-extension, path-order, passthrough) [`winprog.rs`].\n 294:- **Source:** field diagnosis 2026-06-16 (operator dogfood, `claude-spt:ccs` bringup) — doyle.\n...\n 297:### 5.13 Atomic write leaves data un-synced before the rename → NUL zero-fill on power loss  `[REQ-HAZARD-PERCH-RECORD-POWER-LOSS]`\n*298:- **Failure:** `atomic_write_bytes` was `fs::write(tmp)` + `rename(tmp, path)` with no `fsync`. The rename's directory **metadata** is journaled durable, but the tmp file's **data blocks** are still in the page cache. A hard reset (power loss, forced reboot) between the two flushes lands the rename but loses the data → the file reappears at its **full length filled with NUL**. Field incident: after a machine restart `owlery/hall-a/info.json` was 360 bytes of all-NUL (the nested psyche record 125 bytes ...\n*299:- **Invariant:** for records whose loss is **unrecoverable**, flush data to stable storage **before** the rename publishes the name — `File::create(tmp)` → `write_all` → `sync_all()` → `rename_with_retry`. Then a crash yields the complete old file OR the complete new file, never a NUL husk. (A file of correct length that is ALL-NUL is the diagnostic tell of this class — a non-fsync'd write caught by a hard reset.) **Durability is SCOPED, not blanket.** `fsync`ing *every* atomic write serializes...\n 300:- **spt-core mapping:** `spt_store::atomic::atomic_write_bytes_durable` / `atomic_write_string_durable` are the opt-in durable siblings; the default `atomic_write_bytes` / `atomic_write_string` stay non-durable. Durable callers are exactly `spt_store::info::write_info` (the perch record — the hall-a surface), `spt_store::nodeid` (the node seed — corrupt is node-bricking, never regenerated), and `spt_daemon::machineid` (minted-once machine id — a NUL husk would silently re-mint a different id). Read...\n 301:- **Source:** field diagnosis 2026-07-01 (operator, post-v0.19.0 restart) — counter-39 bug #2; blanket-fsync perf regression pinned + scoped by the gate rig (doyle), same date.\n 302:\n...\n 306:- **Invariant:** CORRUPT ≠ ABSENT. A record that EXISTS but stays unparseable across the retry budget is a **destroyed** record — never a live endpoint. `is_perch_alive` reads corrupt ⇒ **not alive** (ABSENT keeps interim-alive parity — the ONE case that stays true); `advertised_status` then lands corrupt in the cold arm ⇒ **Suspended**, never Active/Dormant. Readers that decide liveness/status must branch on the tri-state (present / absent / corrupt), not an `Option` that fuses the last two.\n*307:- **spt-core mapping:** `spt_store::liveness::{read_raw_state, is_perch_alive}` (the tri-state kernel) and `spt_daemon::registryhost::advertised_status` (cascades to Suspended off the alive fix). `list_self_perch_ids` deliberately still lists a corrupt dir by existence — that is the *visibility* the local-roster fix (counter-39 #3) relies on, not a liveness claim. Candidate sibling seam `is_registry_entry_alive` (corrupt hosted row falls to a daemon-pid probe) is parked — it does not produce the ONLI...\n 308:- **Source:** field diagnosis 2026-07-01 (operator, post-v0.19.0 restart) — counter-39 bug #2; sequel to the v0.17.0 W4 presence-truth fix (cold ⇒ Suspended) which a corrupt perch bypassed via false-alive.\n 309:\n 310:<!-- [doc->REQ-HAZARD-ATOMIC-TMP-COLLISION] -->\n 311:### 5.15 Fixed atomic-write tmp name → concurrent writers collide (loser renames a consumed file)  `[REQ-HAZARD-ATOMIC-TMP-COLLISION]`\n*312:- **Failure:** `atomic_write_bytes` staged every write under a **fixed** sibling `{name}.tmp`. Two processes writing the SAME target concurrently — traced at bind ~700µs apart: the daemon's `mutate_info` RMW and `spt api bind`'s `establish_perch` — both create the same `info.json.tmp`; whichever renames first CONSUMES it, and the loser's `fs::rename` hits `NotFound` (os error 2). `NotFound` is non-transient in `rename_with_retry`, so it surfaces as a hard write error: `establish_perch` returns `Bind...\n*313:- **Invariant:** concurrent atomic writers to the same target must never share a tmp name. Stage a **unique** tmp per write — `{name}.tmp.{pid}-{seq}`, `seq` from a process-local static `AtomicU64` (no clock, no rand → resume/replay-safe) — on BOTH the durable and non-durable paths (the collision is generic to `atomic_write`, not the fsync). Keep `rename_with_retry` + best-effort tmp cleanup on rename error. The new names still lack a `.json` extension, so exact-name / `*.json` loaders stay blind t...\n 314:- **spt-core mapping:** `spt_store::atomic::write_then_rename` (the shared core behind `atomic_write_bytes`/`_string` and the `_durable` siblings). Regression guard: a ≥4-thread `Barrier`-aligned hammer on one target (`concurrent_writers_never_collide_on_tmp`) — reds on the fixed-tmp code, greens on unique-tmp; a hammer that can't red is decorative. Cross-ref 5.13: the fsync widened the window, the fixed tmp name was the defect.\n 315:- **Source:** RCA 2026-07-01 (doyle gate rig) — write-trace side-channel + `cmd_bind` step probes pinned `PROBE cmd_bind establish ERR: Io(os error 2)`; explains the counter-39 gate-1 blanket failure, the dummy_harness ONLINE-race DIAGs, and the nondeterminism. Lesson: a widened timing window doesn't create a race, it reveals one.\n 316:\n...\n 320:- **Invariant:** every `info.json` writer serializes under the one per-perch `.info.lock`. A whole-record write (`write_info`) takes the lock exactly as the RMW (`mutate_info`) does — a unique tmp only makes concurrent writes *last-writer-wins*, which is safe ONLY if the writers are serialized (cross-ref 5.15). A multi-step read→check→write (bind's establish) must hold ONE lock acquisition across all three (a true compare-and-set) — check-then-write with the lock dropped in between still interlea...\n*321:- **spt-core mapping:** `spt_store::info` — `write_info` now acquires the sentinel then calls a private `write_info_unlocked` (and `mutate_info` — the public RMW primitive — calls the unlocked writer while holding its own lock, so no double-lock deadlock); `info::establish_locked(perch, build)` runs the bind's read→check→build→write as one locked CAS, called by `spt::api::startup::establish_perch`. The other read-modify-write callers were audited and the two that mutate a load-bearing field w...\n 322:- **Source:** RCA 2026-07-01 (doyle gate rig) — differential (baseline PASS / 77beeac+baseline-atomic PASS / fe385f5 2/3 FAIL) isolated the atomic rework as the delta; `reconcile_hosted_liveness` emitting ZERO `LIVENESS_RECONCILE_OFFLINE` lines for the dead victim over 20s pinned the silent-skip. The unique-tmp fix worked (bringup + serve fine) but exposed this deeper pairing.\n 323:\n 324:### 5.17 `powershell` never executes under our detached spawn — a silent no-op that costs every spawn-rig builder the same three runs\n*325:- **Failure:** a test rig that spawns `powershell -Command …` through `daemon::detached_no_inherit*` (`DETACHED_PROCESS`, no console, no inherited handles) gets a process that **starts and exits having run nothing** — not even a bare `Set-Content`. No error, no output, exit status unremarkable: the rig reads as \"my code did not do the thing\" when in fact the *fixture* never ran. Measured 2026-07-26 while building the `[service]` supervision gates: three consecutive runs burned on a fixture that could...\n*326:- **Invariant (rig discipline, not product code):** spawn-based fixtures use `cmd` on Windows and `sh` on unix — never `powershell`. And find a spawned process's descendants **by parentage** via `spt_store::proc::process_table()` (which returns `(pid, ppid)`), never by asking the child to report them: a grandchild that must cooperate to be found is a rig that cannot observe an *uncooperative* one, which is the case the gate exists for.\n 327:- **spt-core mapping:** every spawn rig under `crates/spt-daemon` — `servicehost.rs` (`long_running`/`instant_exit`/`noisy_instant_exit` fixtures, the tree-teardown gate) and any future rig over `daemon::detached_no_inherit_env`. No `REQ-HAZARD-*` id and no regression test **deliberately**: the invariant constrains how tests are written, and the only assertion available would be \"the OS still refuses to run powershell this way\" — an instrument test, which is never requirement evidence. It is numbered...\n 328:- **Source:** RESIDENT-SERVICE W1 leg D (todlando, 2026-07-26); ruled into this document by doyle the same day.\n*329:- **Amendment 2026-08-02 (hertz, releases#110 measurement):** the cause is `DETACHED_PROCESS` **alone** — not the no-inherit half, as the entry's parenthetical implied. Measured on HFENDULEAM with raw `creationflags` and fully piped stdio: `powershell -Command \"Set-Content …\"` under `DETACHED_PROCESS` exits **rc=0 having written no file** (it does not execute); under `CREATE_NO_WINDOW` the identical spawn writes the file and returns its stdout. `cmd /c` behaves DIFFERENTLY from powershell and the ent...\n 330:\n 331:<!-- [doc->REQ-HAZARD-TREE-CWD-PIN] -->\n 332:### 5.18 A surviving test descendant cwd-pins the tree it ran in — the `.worktrees` skeleton that will not delete  `[REQ-HAZARD-TREE-CWD-PIN]`\n*333:- **Failure:** a directory that is some live process's **current directory** cannot be renamed or deleted on Windows, while files *inside* it stay writable. That asymmetry is why the symptom never reads as a file lock: `git worktree remove` fails naming the **directory**, `openfiles` shows nothing, and the tree looks idle. cargo runs each test binary with cwd = the **package root**, so every child a test spawns inherits `<worktree>/crates/<pkg>` as its own cwd — and any child (or **grandchild**) that o...\n*334:- **Mechanism — the common case is a surviving descendant, and it is not the `CREATE_NO_WINDOW` conhost.** releases#110 filed the holder as an *orphaned `conhost.exe` holding the crate root*; measurement on HFENDULEAM 2026-08-02 **refutes** that for the population the rigs mint. `CREATE_NO_WINDOW` does produce exactly **one conhost per console child** (counted by `ParentProcessId`), but that conhost's cwd is **not** inherited: it is launched with a system cwd. Census: **43 readable, all of them `C:\\WIN...\n 335:- **Amendment 2026-08-02 — the exception, field-refuted before it shipped: a `--headless` ConPTY conhost DOES inherit its creator's cwd, and pins it alone.** The entry previously generalized the census above into \"a conhost's cwd is never inherited\". That is true of the `CREATE_NO_WINDOW` population and false of the ConPTY one, which no rig mints but every terminal-hosting path does.\n*336:  - **Field specimen (BAROMETER W4 teardown):** `pid 46556 conhost.exe --headless --width 80 --height 24 --signal 0x214 --server 0x20c`, born during the build, parent dead, PEB cwd `…\\.worktrees\\barometer-w4\\crates\\spt\\` — the **sole** holder. Killing it deleted the tree that had refused to delete.\n*337:  - **Reproduced deliberately, both launch paths.** Minted through `CreatePseudoConsole` from a process whose cwd was a scratch dir: the new `--headless` conhost's PEB reads **that dir**, and with it alive — write-inside **OK**, delete **BLOCKED**, then **DELETED** after `ClosePseudoConsole`, nothing else changed. Launched as `conhost.exe --headless` directly with a working directory: same inheritance. The first covers the path the wild specimen took; the second shows the binary takes its launcher's cw...\n 338:  - **The pty-teardown alternative is excluded causally, not by absence.** \"Zero children\" clears nothing here — a ConPTY client is a child of whoever called `CreatePseudoConsole`, never of the conhost — so killing the conhost could in principle have taken a living client with it. Kill-**order** rig, client deliberately `cd`'d elsewhere so it cannot be the holder: both alive → **BLOCKED**; kill the **client** only → still **BLOCKED**; kill the **conhost** → **deleted**.\n 339:  - **A census of live `--headless` conhosts cannot settle this in either direction.** All 8 alive that day read `C:\\WINDOWS\\system32\\` — and their single creator's cwd *is* `C:\\WINDOWS\\system32\\`, so the value inheritance predicts equals the value OS-assignment predicts, on rows uniform in the asserted property. It reads as confirmation of the old claim and carries no information; the deliberate launch is what discriminates.\n*340:  - **Elevation is not the discriminator, and neither reader needs it.** Both readers open with `PROCESS_QUERY_INFORMATION | PROCESS_VM_READ` only and, **unelevated**, read ~46–49 of the ~50 conhosts alive. A first pass that reported *no* conhost readable was a parsing fault in the caller, not an access denial — worth stating because \"not readable\" and \"read as `C:\\WINDOWS\\`\" are the same blank row to a careless reader.\n 341:  - **Scoped conclusion:** a `CREATE_NO_WINDOW` conhost is never the pin and killing it is never the cure; a `--headless` ConPTY conhost **can be the sole pin**, and there killing it **is** the cure. Neither sentence licenses the other.\n*342:- **Triage step — the finder answers WHO pins, never whether it is SAFE TO KILL.** These are different questions and the blocked-delete error is **identical** for both, which is exactly what makes the step worth writing down. Read the holder's identity *before* acting: an **orphaned descendant** (parent dead, no window, no client) → kill it; a **LIVE process — above all an agent's own shell** → `cd` out, never kill. **When the holder is a `conhost.exe`, its COMMAND LINE is the discriminator** —...\n*343:- **spt-core mapping:** `.github/ci/find-cwd-holders.ps1` — read-only (`PROCESS_QUERY_INFORMATION | PROCESS_VM_READ`, `NtQueryInformationProcess` → PEB → `RTL_USER_PROCESS_PARAMETERS.CurrentDirectory`), no process opened for write or killed; `-Match <substring>` filters by cwd. It reports its **denominator** (readable vs not-openable) because \"0 rows\" from a filter and \"0 rows\" because nothing could be opened are the same output and very different facts — an empty result means \"no pin I could see...\n*344:- **Do NOT \"fix\" this with the spawn flag.** Flipping the rigs' `CommandNoWindowExt::no_window()` (`crates/spt/tests/common/mod.rs`) from `CREATE_NO_WINDOW` to `DETACHED_PROCESS` removes the conhost (measured: 1 → 0) but does **not** remove the pin (that conhost is never the holder — the `--headless` ConPTY exception above is a host no rig mints through this helper), and it breaks rigs outright per the 5.17 amendment: `job_escape_e2e::conhost_children_of` shells out to **powershell** through that ver...\n 345:- **Source:** hertz, releases#110 — filed diagnosis post-v0.51.0 (2026-08-01); mechanism re-measured and the conhost attribution **refuted** 2026-08-02 (per-parent conhost counts, box-wide conhost cwd census, orphan-grandchild positive control). doyle's live correction the same day supplied the live-shell half of the triage step. **The `--headless` exception is field evidence from todlando** (BAROMETER W4 teardown specimen, the direct-launch inheritance test, and the kill-order rig that excluded pty te...\n 346:\n 347:<!-- [doc->REQ-TEST-ENV-ONE-LOCK] -->\n*348:### 5.19 Two mutexes over one process-global env var guard nothing between them  `[REQ-TEST-ENV-ONE-LOCK]`\n*349:- **Failure:** two test-helper crates each declare their own `static ENV_LOCK` over the SAME process-global variable (`SPT_HOME`). Each serializes its own callers **flawlessly** — which is exactly what makes the arrangement read as correct — and neither serializes helper A against helper B. Whichever writes last wins. Because `spt_store::perch::spt_home()` is **not memoized** (it re-reads the env on every call), a test writes its fixture into home A and reads it back from home B: the store is absent,...\n 350:- **Invariant (rig discipline, like 5.17):** one variable, one lock, **per binary**. A crate may keep its own ergonomic wrapper (`with_home`, `isolated_home`, a `TestHome` guard) but must **never** keep its own mutex over a variable another helper in the same binary also writes. `spt_test_support::env_lock()` is THE lease; crate-local helpers return that guard. It is **not reentrant** — a `TestHome` holds it for its whole lifetime, so one is never constructed inside a body already holding the lease.\n*351:- **Why it hides, and where it does not:** invisible under **nextest** (per-test processes) and invisible when a loser is run **alone** (no concurrent holder), so CI's nextest unit lane is structurally blind to it — the cost falls entirely on whoever hand-runs the module during a gate. This is the same \"invisible-by-construction\" property as 5.17, and the reason it is numbered here rather than left to the requirement.\n*352:- **The diagnostic that shortcuts it:** the tell is a **path shape the suspected helper could not have produced**. #111's panic printed `<tmp>\\home\\identity\\trust\\access.json` — a `home` SUBDIR, which `with_home` never makes (it points `SPT_HOME` at the tempdir *root*). That single mismatch named the real aggressor (`spt_test_support::TestHome`) faster than reading either helper. Corollary for the filed-mechanism trap: `with_home` holds its mutex across its **entire body**, so \"a sibling `with_home` te...\n 353:- **spt-core mapping:** `spt_test_support::env_lock` (the one lease) consumed by `spt_daemon::test_home::{env_lock, with_home}` and `spt::testutil::isolated_home`. Guard: `test_home::tests::with_home_and_testhome_serialize_on_the_same_lease` — a `with_home` body holds the lease while a second thread attempts a `TestHome`, asserting the thread cannot enter and `SPT_HOME` cannot move, **then** that it does proceed once released (so a shared lock is proven to be a lock, not a deadlock). Reds on the two-lo...\n*354:- **Source:** releases#111 (filed by doyle from hertz's gate observation, 2026-08-02); filed mechanism refuted and the real root measured the same day — hertz. Cousin class, same date: two builds writing one binary path with nothing guarding between them, which is why the gate recipe now identity-checks the exe hash (doyle, W2 gate).\n 355:\n 356:<!-- [doc->REQ-POOL-FOREIGN-TREE-REFUSED] -->\n 357:### 5.20 Two source trees sharing one cargo target directory fabricate reds that belong to neither  `[REQ-POOL-FOREIGN-TREE-REFUSED]`\n...\n 359:- **Why it hides:** the sharing is invisible at the point of use. A junction shows as an ordinary `target/` and nothing in cargo's output names the real directory; `CARGO_TARGET_DIR` is quieter still — it does not even leave a directory entry to notice afterwards. Both reach the same hazard, which is why the rule is about the **relationship** (this tree writing into a target owned by another) and never about a path: the incident that motivated the filing pointed `CARGO_TARGET_DIR` at the *primary check...\n*360:- **The harm is INTERLEAVING, not simultaneity.** Cargo holds an exclusive `.cargo-lock` for a build's duration, so two builds are never literally concurrent — the second blocks. What bit was one lane's artifacts being invalidated by another **between that lane's own steps**. A lease keyed on a `cargo` process therefore guards nothing: it is stale seconds after every claim, so every crossing reads as a takeover and the refusal can never fire. That shape was designed, measured, and refused.\n*361:- **Invariant:** a pool belongs to one source tree. `crates/spt-store/build.rs` enforces it and refuses with `SPT_POOL_FOREIGN`, naming the pool, the owning tree, the lane, the holder pid and the way out. Sequential sharing is correct and cheap — a provably-gone lane is a **loud takeover**, never a refusal, because refusing it would demand a pool per lane (30+ worktrees at a measured 7-15 GB each). Staleness is proven from the **process table plus the birth stamp**; UNKNOWN is not stale and proceeds wi...\n*362:<!-- [doc->REQ-POOL-LANE-IDENTITY] -->\n*363:- **A DEAD HOLDER IS NOT A FINISHED LANE `[REQ-POOL-LANE-IDENTITY]`.** The first shape of this guard answered \"has that lane finished?\" from the holder process alone. Measured on this box afterwards: **3 of 3 live pool claims had a dead holder, and one of those three lanes was live.** A holder is an agent session or a rig shell — cleared, re-forked, re-parented as a matter of routine — so its death says nothing about the lane, and reading it as \"finished\" hands the pool to a second tree **mid-lane**,...\n 364:- **The guard's own hazard:** the build script must emit **no** `rerun-if` directive. It is re-run because cargo's fingerprint for its unit carries `CARGO_MANIFEST_DIR`, i.e. on exactly the tree ALTERNATION the guard exists to catch. Measured on byte-identical trees, sequence `A B A A B`: no directives → 4 firings; one `rerun-if-changed` → **1**, and the foreign tree never fired it again. `crates/spt-store/tests/pool_guard_canary.rs` reads the shipped build script and reds if a directive appears — ...\n 365:- **Source:** BAROMETER W1/H1 window (doyle + todlando, 2026-08-02); design measured and built by hertz, releases#103.\n 366:\n...\n 397:- **Invariant:** every context write carries a source+timestamp precedence marker; LLM writes within a protection window after a recent direct write are suppressed (logged); direct writes always proceed.\n*398:- **spt-core mapping:** cross-node Psyche sync (ADR-0003) makes this multi-writer across machines — the precedence marker must include node identity **plus a per-node version vector** (entries from each node's monotonic `EpochSource`; wall-clock never orders). Distributed rule (ADR-0013, M4-D6): dominate→accept, dominated→drop, **concurrent→surface as durable replicated conflict artifacts + Psyche-reconcile on the active instance's node — never silent newest-wins, never lose either version**. T...\n 399:- **Sister cite:** CHANGELOG v1.11.6; `src/owl/echo_commune.rs`.\n 400:\n 401:### 6.6 Surfaced context conflicts preserve both versions until dominated\n...\n 406:\n\n[Showing lines 1-231 of 595 (49.9KB limit). Use :232 to continue. Some lines truncated to 512 chars]"}],"details":{"scopePath":".worktrees/285-zombie/docs/KNOWN-HAZARDS.md","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\docs\\KNOWN-HAZARDS.md","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":200,"fileCount":1,"files":[".worktrees/285-zombie/docs/KNOWN-HAZARDS.md"],"fileMatches":[{"path":".worktrees/285-zombie/docs/KNOWN-HAZARDS.md","count":200}],"truncated":true,"perFileLimitReached":200,"displayContent":"    4│\n   *5│**Architecture-translation note.** The sister project runs poll listeners and Psyche wrappers as *separate processes*. spt-core consolidates both into the one `spt-daemon` (brain), with a stable broker beneath it (ADR-0004). Many hazards below were inter-process races in the sister project; in spt-core some become intra-daemon concerns (potentially easier) while others move to the daemon↔broker IPC boundary or the network boundary (potentially new failure surface). Each entry notes the mapping where it...\n    6│\n    7│---\n    8│\n     │...\n   19│- **Invariant:** consult liveness via the supervisor (`is_wrapper_alive`-equivalent) before any grace gate; reads of state files must tolerate concurrent writes (atomic write + rename, or read-retry).\n  *20│- **spt-core mapping:** the daemon owns both writer and reader → use in-process locking/snapshotting instead of racing on disk. Cross-node registry reads remain eventually-consistent and must tolerate staleness.\n   21│- **Sister cite:** `src/common/list_filter.rs:100-150`; `src/owl/poll.rs:141`.\n   22│\n   23│### 1.3 Stale `index.lock` wedge from prior git crash\n     │...\n   42│\n  *43│## 2. Identity & session-binding\n   44│\n  *45│### 2.1 Parent PID over ephemeral poll PID\n  *46│- **Failure:** orphan check polls an ephemeral listener PID; it dies and is recycled (esp. Windows); a foreign process with the recycled PID reads as alive → false-positive teardown (or false-negative).\n  *47│- **Invariant:** prefer the stable harness-session PID (`parent_pid`) over any ephemeral process PID for liveness; minimal `info.json` for supervisor-owned perches to avoid stale leaks.\n  *48│- **spt-core mapping:** session binding (parent-process-tree anchor) still applies for harness-hosted topology. For spt-hosted sessions the broker holds the child directly → liveness is the broker's held-handle state, more reliable than PID polling.\n   49│- **Sister cite:** `src/live/wrapper/orphan.rs:141-161`; CHANGELOG v1.11.20.\n   50│\n   51│### 2.2 Stdin session_id precedence over env\n     │...\n   53│- **Invariant:** stdin-provided session_id wins; env is fallback only.\n  *54│- **spt-core mapping:** the harness-contract subcommand surface must define the same precedence for whatever identity fields hooks pass in.\n   55│- **Sister cite:** CHANGELOG v1.35.1 \"IN-05\"; `hook_subagent_start.rs:40-51`.\n   56│\n   57│### 2.3 Binary-handoff argv schema must stay backward-compatible\n     │...\n   63│### 2.4 Generation `gen_start` always = now() on cold-start AND handoff\n  *64│- **Failure:** stale gen_start from a rehydrated state file fires time-based discriminators on the new process.\n   65│- **Invariant:** wall-clock `gen_start` is set to `now()` on both cold-start and handoff; generation counter increments on every start/revive; session UUID captured fresh and carried so the resumed mind distinguishes \"same gen continuing\" vs \"new gen born\".\n   66│- **spt-core mapping:** carries to the daemon's per-instance generation tracking.\n   67│- **Restoration D3/D4 (ADR-0018):** the generation *counter* custody moved to the broker (D3-2 — it observes every brain spawn, planned or crash, and hands `{generation, start-reason}` at spawn; `gen_start` stays `now()`-fresh, never rehydrated). The brain→brain **`BrainState` *message*** (`{session_id, generation, next_seq, gen_start_ms}`) that previously carried continuity across a handoff is **retired from the production path in D4-2**: a brain the supervisor respawns cold-starts and reconstructs ...\n     │...\n   69│\n  *70│### 2.5 Daemon-hosted endpoints have no dedicated liveness PID\n  *71│- **Failure:** the sister evaluates Psyche/perch liveness via a dedicated process PID — the wrapper's own pid in `info.json`, checked with `is_process_alive`. Under ADR-0004 the Psyche (and any spt-hosted Self) is a **loop inside the daemon**, not a separate process: it holds no dedicated pid, and its `claude`/summarizer subprocess is ephemeral (spawned per pulse/commune, then exits). If a daemon-hosted perch's `info.json` carries the **daemon's** pid, then *every* hosted endpoint shares one pid, and `...\n  *72│- **Invariant:** for **daemon-hosted** perches (Psyche; spt-hosted Self), liveness is the **daemon's authoritative in-memory endpoint table + a `status` field** on `info.json` (`online|offline|…`), **never** `is_process_alive(info.pid)`. `info.pid` for a daemon-hosted perch is at most a *hosted-by-daemon* marker (the daemon pid), not a liveness signal; registry stale-clean for these rows keys on the daemon's endpoint table, not per-row pid. This reuses the pattern already specified for **Shells** (`inf...\n  *73│- **spt-core mapping:** the **M1/M2a interim** model keeps the Psyche/listener a real per-process owner (the `api listen` process), so its per-pid liveness (`deliver::is_online` → `info.read_pid` → `proc::is_process_alive`; `registry::clean_stale_entries`) is correct *interim*. **M3 daemon consolidation replaces it** with daemon-authoritative liveness for hosted perches. Keep the liveness check behind one resolver (mirrors `resolve_address` stale-clean) so the M3 swap is localized — do **not** let ...\n  *74│- **Sister cite:** `src/live/wrapper/orphan.rs` (wrapper-pid liveness); `src/common/list_filter.rs:168-175` (pid-classify); spt-core `crates/spt-store/src/{proc.rs,registry.rs}` + `crates/spt-msg/src/deliver.rs::is_online`.\n   75│\n   76│### 2.6 A shell instance's `online` is a recorded field with no death edge\n  *77│- **Failure:** a shell perch's `status` has exactly two writers — the bind handshake (→`online`) and `close_shell` (→`offline`) — and `close_shell` runs on the **link-break** path alone. A binary that dies **abruptly** (force-kill, crash, OOM) breaks no link, so nothing ever writes the flip: the record says `online` forever while the pid it names is gone. Every consumer of the recorded field then inherits the lie — `shell list` reports online indefinitely; `relink` (the one command that recover...\n  *78│- **Invariant:** ONLINE-ness is **derived**, never the recorded field alone: `status == online` **AND** the recorded `shell.pid` is not *provably* dead. Provably dead is narrow — pid parked, non-zero, `!is_process_alive`; pid absent, unparseable, or `0` (a broker-hosted spawn whose backend exposed no pid) reads **alive**, the same fail-toward-alive parity 2.5 holds, so a backend the resolver cannot see is never declared dead. **The recycled-pid caveat is narrowed since BAROMETER W2 and is now condition...\n  *79│- **No spontaneous relaunch of a SAME-BOOT death (operator-ratified, flynn 2026-07-25; re-based BAROMETER W2):** the reconciler does NOT adopt an instance whose binary died during this boot. Every reason an operator stops a shell is a reason not to want it back a tick later: mid-deploy (a shared install dir makes \"kill the process\" routine on Windows, since a running exe cannot be overwritten) an auto-relaunch would run the **old** binary out of the file being replaced — worse than a failed install —...\n   80│- **What holds that open is no longer the stale record (BAROMETER W2):** until W2 the guarantee rested on an accident: a force-killed instance was held out of the eligible set because its record still said `online`, and the eligibility read took that field raw. 2.7 heals that record to the truth, which removes the accidental protection — so the guard had to move to a rule that *states* it. Eligibility is now recorded-`offline` **AND** (no corpse, **or** the corpse's recorded launch **predates the boot ...\n  *81│- **spt-core mapping:** `spt_store::shellinfo::{shell_pid_provably_dead, effective_status, is_shell_online}` (the resolver — the shell-side twin of 2.5's `liveness.rs`, which gave *agent* perches exactly this and which shells never got); consumers in `linkhost::{relink_shell, prepare_drive, run_action}`, `shelldisc::discover`, `activity::observe_links`; the class-(c) eligibility read is `spt_daemon::shellwake::watcher_eligible` (+ `launch_predates_boot`, `BOOT_RESTORE_SLACK_MS`), and the birth stamp it...\n   82│- **Source:** spt-core, flynn's spt-alchemy field report (2026-07-25) — a deterministic recipe, not a race. Class-(c) re-based BAROMETER W2 (releases#78, doyle's ruling on comment 5156810267).\n   83│\n   84│### 2.7 A node restart permanently strands every `persistent` shell — and the existing cascade test cannot see that it does  `[REQ-HAZARD-RESTART-STRANDS-PERSISTENT-SHELLS]`\n     │...\n   87│- **The existing cascade test cannot fail on it — its SETUP SUPPRESSES THE FAILING ARM.** `rest_edges_cascade_shells_with_divergence` establishes its fixture by driving the suspend path, which itself writes the `offline` the code under test is supposed to encounter — so the restart shape (a record still saying `online` over a corpse, reached with **no** suspend edge) is unreachable from that fixture BY CONSTRUCTION. The test is not weak; it gives a true answer to the wrong question, so a reader askin...\n  *88│- **Invariant:** a node restart must not strand a `persistent` instance. Two legs, and each is worthless alone. **(a) The record stops lying:** the daemon-side reconciler heals a recorded `online` that 2.6's derivation contradicts, writing `offline` — every cycle, **guarded on an actual change** (a heal that rewrote each tick would be a stream of identical writes and would destroy the record's mtime as a signal). **(b) The restart shape reaches a restoration path:** a once-per-daemon-generation boot sw...\n   89│- **Regression shape (the row the suppressed fixture cannot express):** construct the restart shape **without a suspend edge** — an instance whose record says `online` over a corpse that predates boot, with an online owner — and assert it is restored. A fixture that suspends first re-creates the suppressed arm and proves nothing about this class.\n  *90│- **spt-core mapping:** `spt_daemon::shellwake::{heal_stale_online_records, restore_persistent_shells_at_boot, restore_persistent_shells_on_owner_online, OwnerOnlineEdge, launch_predates_boot, BOOT_RESTORE_SLACK_MS}`; `spt_store::proc::boot_instant_ms`; `spt_store::shellinfo::{ShellLaunch, record_shell_launch, read_shell_launch}` (the birth stamp, parked at the two production pid-write sites the launch-site census identified).\n  *91│- **Source:** spt-core, BAROMETER W2 (releases#78) — field specimen `liam/alchemy-0`, a genuinely stranded record: `online` over a dead pid, no launch stamp, days old.\n   92│<!-- [doc->REQ-HAZARD-RESTART-STRANDS-PERSISTENT-SHELLS] -->\n   93│\n   94│---\n     │...\n  100│- **Invariant:** every code path that creates an ephemeral perch cleans it before exit; exception: if the caller already had an active perch, do not treat as ephemeral and do not clean up.\n *101│- **spt-core mapping:** `ring` semantics carry; the daemon owns ephemeral-perch lifecycle, so a single guaranteed-cleanup (drop guard / RAII) is achievable in-process.\n  102│- **Sister cite:** `src/owl/ring.rs:58-294`.\n  103│\n  104│### 3.2 Stale signoff sentinel must not kill a fresh start\n     │...\n  112│- **Invariant:** on orphan path, synchronously run the echo-commune (final delta) before composing INIT_SIGNOFF; skip only if the session_id is missing.\n *113│- **spt-core mapping:** the daemon runs psyche/pulse loops in-process; ordering invariant identical.\n  114│- **Sister cite:** `src/live/wrapper/orphan.rs:175-199`; tests A-H:333-565.\n  115│\n  116│### 3.4 A `ring` never adopts — so never deletes — a perch it did not create\n     │...\n  129│<!-- [doc->REQ-PERCH-GC-RESIDUE-PREDICATE] -->\n *130│- **Failure:** the obvious way to write a perch garbage collector is \"reap what is not alive\" — `!spt_store::liveness::is_perch_alive(dir)`. On the population a GC actually walks, that predicate is **backwards**. `is_perch_alive` returns **true** for a directory with no `info.json` (`RawRead::Absent ⇒ true`, interim parity — an absent record means a wrapper-owned listener between polls), and **false** for a daemon-hosted endpoint whose `status` is `offline`. Measured on HFENDULEAM 2026-08-04 across...\n  131│- **Why it is a hazard and not a bug in the resolver:** `is_perch_alive` is correct for its own job. Fail-toward-alive is the safe direction for DELIVERY (2.5) — the cost of a false \"alive\" is one message taking the spool path. It is the wrong direction for DELETION, where a false \"not alive\" is irreversible. The inversion is what happens when a predicate is reused across a polarity boundary it was never sized for.\n *132│- **Invariant:** perch garbage collection classifies on record **presence** only (3.5's predicate: no `info.json` present on any read attempt ⇒ residue; NotFound kept distinct from every other I/O error, because absent is the only answer that authorizes deletion) and **never calls a liveness resolver** — not `is_perch_alive`, not `is_registry_entry_alive`, not a pid probe. The registry is likewise never asked: `clean_stale_entries` deletes dead-pid rows and `unregister_address` fires on an ordinary s...\n  133│- **spt-core mapping:** `spt_store::perchgc::{sweep, PerchClass}`; `spt endpoint gc` renders it. The refusal/report contract is `REQ-PERCH-GC-REFUSAL-REPORT`; the occupancy rules it inherits are 3.4.\n  134│- **Source:** measured by todlando on HFENDULEAM 2026-08-04 while answering doyle's step-1 predicate question on releases#109; ruled into the lane by doyle the same day.\n  135│\n     │...\n  153│### 4.3 Registry stale-entry cleanup precedes lookup\n *154│- **Failure:** sender resolves a dead process's stale TCP port → delivery to wrong/dead listener.\n *155│- **Invariant:** clean stale entries (dead PID) before/at lookup; spool fallback is the safe path on TCP miss.\n  156│- **spt-core mapping:** now spans the **subnet registry** (ADR-0003) — eventually-consistent across nodes. Cross-node staleness is expected; resolution policy (local → most-recent → `id@node`) must degrade to spool/relay fallback on stale hits, and never hard-fail on a stale remote entry.\n  157│- **Sister cite:** `src/common/registry.rs:62-78`; `src/owl/send.rs`.\n  158│\n     │...\n  195│<!-- [doc->REQ-HAZARD-REGISTRY-GHOST-ROWS] -->\n *196│- **Failure:** the registry's only superseding mechanism is the per-`(endpoint_id, node)` epoch lease (4.8) — a row is replaced only by a newer row *from the same node*. When a node identity dies permanently (machine retired, or `node.key` regenerated so the \"node\" never speaks again), its rows are never superseded and never expire: they sit in the in-memory registries and the `identity/registry/<subnet>.json` snapshots forever. A bare-id send then resolves the same endpoint id on both the live and the...\n  197│- **Invariant:** registry rows authored by a **silent** peer node decay: a node not *heard* (admitted inbound feed — the M7 D2 heard-map, REQ-SUBNET-1) within the eviction window (`registry_evict_after_ms`, default 300s ≈ 10 default pump cadences) has its rows **evicted** from every subnet registry, snapshots rewritten. Own rows never decay (the node always hears itself implicitly — it authors them each pump tick). Eviction is safe under the lease: v1 has **no transitive gossip**, so any future upd...\n  198│- **spt-core mapping:** `spt_net::net::registry::SubnetRegistry::evict_nodes` (model) + `spt_daemon::registryhost::RegistryHost::evict_silent_peers` (heard-map TTL) driven from the registry pump tick (`peerloop`). Trust rows are NOT auto-evicted (trust is a user decision; a stale trust row only costs dead dials) — pruning those is a separate verb.\n  199│- **Source:** M7 acceptance run 2026-06-06 (DEFERRED.md \"Ghost registry row eviction\"); the AMBIGUOUS render fix rode along.\n     │...\n  204│- **Failure:** a node whose advertisement-epoch counter resets (the durable `EpochSource` file lost/recreated) re-advertises with LOW epochs; peers hold a higher last-seen epoch for that `(endpoint, node)` lease and drop every fresh row as **stale** — the node advertises into a void until its counter outruns its own history. Nothing renders the cause: the node looks healthy locally, peers simply never update.\n *205│- **Invariant (mitigation by construction, common case):** the common trigger — a full reinstall / identity regeneration — is covered by the **re-pair trust overwrite** (M8 decision 13, REQ-SUBNET-7): a completed ceremony presenting the same label + machine id evicts the superseded identity's trust AND registry rows on the seed-holder, and the peer-side epoch memory **dies with the deleted row** — the re-paired node's fresh epochs land on a clean lease. M8 acceptance 7 verifies this explicitly (the...\n *206│- **Residual (documented, guard deferred):** the narrow slice — epoch file lost while the node *identity* is kept (manual state surgery, partial restore from backup) — has no guard; it waits for a field hit before one is designed (M8 decision 24). `REQ-HAZARD-EPOCH-RESET` is minted inactive (TRACEABILITY rule 5) as the tracking hook. If hit: symptoms are one node's endpoints frozen-stale on every peer while its own views are fresh; recovery today is re-pairing the node (rides the common-case eviction...\n *207│- **spt-core mapping:** epoch mint = `spt_store::epoch::EpochSource` (`identity/epoch.json`); the lease = the per-`(endpoint, node)` epoch compare in `spt_net::net::registry`; the eviction that clears peer-side epoch memory = `registryhost::repair_evict_superseded` + `RegistryHost::consume_repair_evictions`.\n  208│- **Source:** minted at M8 ratification (decision 24), recognized as a class during the 2026-06-07 pump diagnosis / re-pair overwrite design — not yet field-hit in its residual form.\n  209│\n  210│---\n     │...\n  213│\n *214│### 5.1 Windows PID recycling false positives\n *215│- **Failure:** recycled PID reads alive for the wrong process → orphan misclassification.\n *216│- **Invariant:** anchor liveness on the stable parent/harness PID; minimal info.json for supervisor-owned perches; mtime grace window (≥60s) masks transient mismatches.\n *217│- **spt-core mapping:** broker-held handles supersede PID polling for spt-hosted sessions; keep the grace window for harness-hosted.\n  218│- **Sister cite:** `src/live/wrapper/orphan.rs:141-161`; `src/common/list_filter.rs:168-175`.\n  219│\n  220│### 5.2 Windows EBUSY on atomic rename\n     │...\n  225│\n *226│### 5.3 Git/subprocess timeout stamping\n *227│- **Failure:** a hung subprocess (git on slow net) blocks the supervisor indefinitely.\n *228│- **Invariant:** every metadata-producing subprocess has a timeout; timeout yields `None` + rate-limited stderr, never a hang.\n  229│- **spt-core mapping:** generalize to all manifest-declared harness invocations (delegated commands, adapter updates) — timeouts mandatory.\n  230│- **Sister cite:** `src/common/git.rs`.\n  231│\n     │...\n  245│### 5.6 Windows detached children inherit a captured caller's pipe  `[REQ-HAZARD-DETACHED-PIPE-INHERIT]`\n *246│- **Failure:** a caller captures an `spt` invocation's output through a pipe (`Command::output()`, a harness hook reading the command). That `spt` process detach-spawns a **long-lived** child (the daemon via `ensure_running`; a shell binary via `spt shell spawn`). On Windows `CreateProcess` runs with `bInheritHandles = TRUE`, and the spt process's std handles — the caller's pipe write-ends — are inheritable by construction, so the immortal child inherits them even when its *own* stdio is `Stdio::null...\n  247│- **Invariant:** every detach-spawn of a long-lived child inherits only handles it **enumerates**. The default and overwhelmingly common form of that is `bInheritHandles = FALSE` (`spt-daemon::daemon::detached_no_inherit`) — zero handles flow, whatever the pipe's depth in the ancestry. Stripping `HANDLE_FLAG_INHERIT` from the spawner's *std* handles is NOT sufficient: a grandparent capture's pipe sits in the handle table as a stray inheritable handle and still flows through every **bare** `bInheritHand...\n  248│- **The one permitted TRUE (amended 2026-07-26, RESIDENT-SERVICE W1):** a spawn that must capture the child's output may pass `bInheritHandles = TRUE` **only** paired with an explicit `STARTUPINFOEX` + `PROC_THREAD_ATTRIBUTE_HANDLE_LIST` allowlist — the Win32 contract honors the list only under TRUE, so the earlier phrasing (\"flipping TRUE is refused\") forbade its own mechanism and was unimplementable. The hazard was always *unenumerated* inheritance, and the list **is** the enumeration: only the named...\n  249│- **spt-core mapping:** `spt-daemon::daemon::spawn_detached` (the daemon) and `spt-daemon::shellhost::launch_shell` (the relay-receipt shell binary). Any future long-lived detached spawn (manifest-template children included) must use the same no-inherit spawn, or the enumerated form above where it genuinely must capture output.\n     │...\n  253│<!-- [doc->REQ-HAZARD-ELEVATED-DAEMON-SPAWN] -->\n *254│- **Failure:** membership-implies-reachability made *every* `spt` invocation a potential daemon spawner (`ensure_running`), including the elevation-gated ones (`subnet create`/`join`, REQ-SUBNET-4). The spawned daemon inherits the spawner's token. **Windows:** an elevated `subnet create` auto-starts an ELEVATED daemon whose named pipes deny unelevated clients — every subsequent unelevated `spt` reads \"not running\", tries to spawn its own daemon, and dies on bind Access-denied; the user had to taskkill ...\n *255│- **Invariant:** the daemon **always runs unelevated in the invoking user's universe**, regardless of which command spawns it. Two enforcement points sharing one seam: (a) `spawn_detached` de-elevates the child — Windows: the UAC **linked token** (`TokenLinkedToken` → `DuplicateTokenEx` → `CreateProcessWithTokenW`; inherits no handles, so 5.6 holds by construction); Linux: drop to `SUDO_UID`/`SUDO_GID` with `$HOME`/`$USER`/`$LOGNAME` reset to the invoking user's (passwd lookup); (b) a `Daemon::run`...\n  256│- **spt-core mapping:** `spt-daemon::deelevate` (the OS-split seam) consumed by `daemon::spawn_detached` + the `Daemon::run` entry guard. The fuller Linux elevation model (install symlink + default-account election) is deferred (DEFERRED.md, M8).\n  257│- **Source:** M7 acceptance run 2026-06-06 (DEFERRED.md \"Non-admin daemon spawn\"); interim field rule was \"bring the daemon up unelevated FIRST\".\n  258│\n     │...\n  261│- **Failure:** the daemon runs DETACHED (no console, 5.6/`detached_no_inherit`). Any console-subsystem child it spawns (`git`, `taskkill`, manifest hook commands) gets a **fresh conhost with a visible window** — piped/null stdio does NOT prevent it. Field shape: the 60s sync pump's two git calls (`for-each-ref` + `rev-parse`) flashed two blank windows per minute on the user's desktop (2026-06-06).\n *262│- **Invariant:** every short-lived console child spawned from daemon-reachable code sets `creation_flags(0x0800_0000)` (`CREATE_NO_WINDOW`). Long-lived detached children use `detached_no_inherit` (already `DETACHED_PROCESS | CREATE_NO_WINDOW`); de-elevated spawns use `CREATE_NEW_CONSOLE + SW_HIDE` (5.7 — `CreateProcessWithTokenW` rejects `CREATE_NO_WINDOW`, error 87).\n *263│- **Test seam caveat:** window-absence is unobservable from a consoled test runner — the child inherits the runner's console and never creates a window, flag or no flag. Unit coverage asserts the flagged spawn still works (the error-87 \"flag combo breaks spawn\" regression class); window-absence was verified live by process-watch capture.\n *264│- **spt-core mapping:** `spt-store::gitrun::run_git` (every BranchStore/ContextStore git call), `spt-daemon::shellhost::kill_shell_pid` (taskkill), `spt-runtime::run_bounded_command` (manifest hook commands), `spt-runtime::ManifestRuntime::command_for` (the one shared builder behind `spawn_session` + `run_bounded_stdin` — the notif pump's `spawn_notif_command` and the live agent's psyche/echo/turn spawns), `spt-daemon::shellwake` (already guarded). The flag lives in each shared builder, not per call si...\n *265│- **Source:** spt-core field bug, 2026-06-06 — two blank windows flashing every 60 seconds on a desktop workstation, caught by process-spawn watcher (git.exe parent=spt daemon, conhost.exe child each).\n  266│\n  267│### 5.9 `Instant - Duration` underflow-panics on a freshly-booted host  `[REQ-HAZARD-INSTANT-UNDERFLOW]`\n *268│- **Failure:** `Instant::now() - Duration::from_secs(N)` panics `overflow when subtracting duration from instant` when the process's monotonic clock is younger than `N` — i.e. the host booted less than `N` ago. The peer pump primed its cadence legs with `Instant::now() - 86_400s` to mean \"everything due now\"; on a Windows runner with sub-24h uptime the pump thread panicked at startup, so the subnet never converged (CI `pump_and_dispatch_self_drive_the_subnet` failed, run 27082417706). It is *environmen...\n  269│- **Invariant:** NEVER compute an instant in the past by subtracting from `Instant::now()`. Represent \"never run / due now\" as `Option<Instant> = None` and gate on forward `now.duration_since(past)` only (`peerloop::due`). No backward instant arithmetic anywhere in scheduling.\n  270│- **Test seam caveat:** the convergence E2E only reproduces on a sub-offset-uptime host (it passed everywhere with >24h uptime). The deterministic guard is the `due(None, ..)`/`due(Some(now), ..)` unit on the extracted gate — it asserts first-tick-due with zero instant subtraction, independent of host uptime.\n  271│- **spt-core mapping:** `spt-daemon::peerloop::due` (the sole cadence gate behind `due_reg`/`due_notif`/`due_sync`/`due_upd`); cadence legs are `Option<Instant>` seeded `None`.\n     │...\n  283│- **Failure class:** a privilege-gated command (`subnet create` / `join` / `show-code`) self-elevates by re-launching itself with privilege (Windows UAC `runas`, Linux `pkexec` / a terminal-emulator `sudo`, or inline `sudo`). A careless re-launch is a security hole: widening the privilege scope (adding args), resolving the binary by a bare name (a PATH/`secure_path` hijack runs an attacker's `spt`), interpolating a crafted arg into a shell string (`sh -c \"… $id …\"` injects a second command), or re-el...\n *284│- **Invariant:** self-elevation re-runs the **EXACT** original invocation with the binary's **ABSOLUTE** exe path — never adding/altering args, never a PATH-resolved bare name, never a shell-interpolated string. Every launcher passes an **argv array** (`Command::new(prog).args([...])`, never `sh -c`); the Windows `ShellExecuteW` params string (which is inherently one string) MSVC-quotes each verbatim arg so `CommandLineToArgvW` round-trips it as a single token. The elevated child drops state back to th...\n  285│- **Test seam caveat:** the real launch needs a UAC/polkit/sudo prompt (not hermetic) — manual-verify. The deterministic guards are the pure `decide_elevation_path` matrix (loop-safety: `AlreadyElevated` on every os; the os×env path order) and the argv builders (`sudo_argv` / `pkexec_argv` / `terminal_argv` assert absolute-exe + verbatim args + array; `windows_runas_params` asserts MSVC-quoting with no `cmd /c` interpolation; the crafted-arg test asserts a shell-metachar arg stays one element / one qu...\n  286│- **spt-core mapping:** `spt::elevation::{decide_elevation_path, sudo_argv, pkexec_argv, terminal_argv, windows_runas_params, print_hint_command, ElevatePath}` (pure), `spt::cli::{try_auto_elevate, launch_uac_window, pause_elevated_console_if_fresh, program_on_path, first_terminal_emulator}` (impure launchers) wired into `cmd_subnet_create` / `cmd_subnet_join` / `cmd_subnet_show_code`. Companions: 5.10 (the Unix abs-path-under-sudo facet) and 5.7 (the elevated child's de-elevation drop, which this compos...\n  287│- **Source:** M12-W4 design (subnet QR + self-elevating window), doyle ruling `M12-W4-RULING.md` Q6 — a privilege-escalation feature carries a mandatory hazard REQ.\n     │...\n  290│### 5.12 Native-PTY spawn of a bare program runs the wrong (non-PE) file on Windows  `[REQ-HAZARD-WIN-PTY-PROGRAM-RESOLVE]`\n *291│- **Failure:** `portable-pty`'s ConPTY spawn resolves a bare program name with a `which` that takes the FIRST `PATH` match. A node/npm CLI installs as BOTH an extensionless shebang shim (`ccs`, for Git Bash) and a Windows launcher (`ccs.cmd`) in the same dir; portable-pty picks the extensionless `ccs`, and `CreateProcessW` then tries to execute that non-PE file and fails with **os error 193** (\"%1 is not a valid Win32 application\"). Live failure: `spt endpoint run claude-spt:ccs` → `CreateProcessW C:\\n...\n  292│- **Invariant:** spt-term resolves the program ITSELF before handing it to `CommandBuilder`, bypassing portable-pty's `which`. A bare name is searched over `PATH` × `PATHEXT` (whose default order already prefers `.EXE`/`.COM` over `.BAT`/`.CMD`), then an extensionless fallback. A non-PE target is wrapped in its interpreter: `.cmd`/`.bat` → `cmd.exe /d /c <path>`, `.ps1` → `powershell -NoProfile -File <path>` (the wrap args precede the caller's args); a real executable spawns directly; an unresolvabl...\n  293│- **spt-core mapping:** `spt_term::winprog::{resolve_for_pty, resolve_in}` (the pure PATHEXT-precedence kernel + the Windows env wiring), wired into `spt_term::pty::PtySession::spawn_program_in`. Unit: `resolve_in` precedence (`.cmd`-over-shim, `.exe`-direct, explicit-extension, path-order, passthrough) [`winprog.rs`].\n  294│- **Source:** field diagnosis 2026-06-16 (operator dogfood, `claude-spt:ccs` bringup) — doyle.\n     │...\n  297│### 5.13 Atomic write leaves data un-synced before the rename → NUL zero-fill on power loss  `[REQ-HAZARD-PERCH-RECORD-POWER-LOSS]`\n *298│- **Failure:** `atomic_write_bytes` was `fs::write(tmp)` + `rename(tmp, path)` with no `fsync`. The rename's directory **metadata** is journaled durable, but the tmp file's **data blocks** are still in the page cache. A hard reset (power loss, forced reboot) between the two flushes lands the rename but loses the data → the file reappears at its **full length filled with NUL**. Field incident: after a machine restart `owlery/hall-a/info.json` was 360 bytes of all-NUL (the nested psyche record 125 bytes ...\n *299│- **Invariant:** for records whose loss is **unrecoverable**, flush data to stable storage **before** the rename publishes the name — `File::create(tmp)` → `write_all` → `sync_all()` → `rename_with_retry`. Then a crash yields the complete old file OR the complete new file, never a NUL husk. (A file of correct length that is ALL-NUL is the diagnostic tell of this class — a non-fsync'd write caught by a hard reset.) **Durability is SCOPED, not blanket.** `fsync`ing *every* atomic write serializes...\n  300│- **spt-core mapping:** `spt_store::atomic::atomic_write_bytes_durable` / `atomic_write_string_durable` are the opt-in durable siblings; the default `atomic_write_bytes` / `atomic_write_string` stay non-durable. Durable callers are exactly `spt_store::info::write_info` (the perch record — the hall-a surface), `spt_store::nodeid` (the node seed — corrupt is node-bricking, never regenerated), and `spt_daemon::machineid` (minted-once machine id — a NUL husk would silently re-mint a different id). Read...\n  301│- **Source:** field diagnosis 2026-07-01 (operator, post-v0.19.0 restart) — counter-39 bug #2; blanket-fsync perf regression pinned + scoped by the gate rig (doyle), same date.\n  302│\n     │...\n  306│- **Invariant:** CORRUPT ≠ ABSENT. A record that EXISTS but stays unparseable across the retry budget is a **destroyed** record — never a live endpoint. `is_perch_alive` reads corrupt ⇒ **not alive** (ABSENT keeps interim-alive parity — the ONE case that stays true); `advertised_status` then lands corrupt in the cold arm ⇒ **Suspended**, never Active/Dormant. Readers that decide liveness/status must branch on the tri-state (present / absent / corrupt), not an `Option` that fuses the last two.\n *307│- **spt-core mapping:** `spt_store::liveness::{read_raw_state, is_perch_alive}` (the tri-state kernel) and `spt_daemon::registryhost::advertised_status` (cascades to Suspended off the alive fix). `list_self_perch_ids` deliberately still lists a corrupt dir by existence — that is the *visibility* the local-roster fix (counter-39 #3) relies on, not a liveness claim. Candidate sibling seam `is_registry_entry_alive` (corrupt hosted row falls to a daemon-pid probe) is parked — it does not produce the ONLI...\n  308│- **Source:** field diagnosis 2026-07-01 (operator, post-v0.19.0 restart) — counter-39 bug #2; sequel to the v0.17.0 W4 presence-truth fix (cold ⇒ Suspended) which a corrupt perch bypassed via false-alive.\n  309│\n  310│<!-- [doc->REQ-HAZARD-ATOMIC-TMP-COLLISION] -->\n  311│### 5.15 Fixed atomic-write tmp name → concurrent writers collide (loser renames a consumed file)  `[REQ-HAZARD-ATOMIC-TMP-COLLISION]`\n *312│- **Failure:** `atomic_write_bytes` staged every write under a **fixed** sibling `{name}.tmp`. Two processes writing the SAME target concurrently — traced at bind ~700µs apart: the daemon's `mutate_info` RMW and `spt api bind`'s `establish_perch` — both create the same `info.json.tmp`; whichever renames first CONSUMES it, and the loser's `fs::rename` hits `NotFound` (os error 2). `NotFound` is non-transient in `rename_with_retry`, so it surfaces as a hard write error: `establish_perch` returns `Bind...\n *313│- **Invariant:** concurrent atomic writers to the same target must never share a tmp name. Stage a **unique** tmp per write — `{name}.tmp.{pid}-{seq}`, `seq` from a process-local static `AtomicU64` (no clock, no rand → resume/replay-safe) — on BOTH the durable and non-durable paths (the collision is generic to `atomic_write`, not the fsync). Keep `rename_with_retry` + best-effort tmp cleanup on rename error. The new names still lack a `.json` extension, so exact-name / `*.json` loaders stay blind t...\n  314│- **spt-core mapping:** `spt_store::atomic::write_then_rename` (the shared core behind `atomic_write_bytes`/`_string` and the `_durable` siblings). Regression guard: a ≥4-thread `Barrier`-aligned hammer on one target (`concurrent_writers_never_collide_on_tmp`) — reds on the fixed-tmp code, greens on unique-tmp; a hammer that can't red is decorative. Cross-ref 5.13: the fsync widened the window, the fixed tmp name was the defect.\n  315│- **Source:** RCA 2026-07-01 (doyle gate rig) — write-trace side-channel + `cmd_bind` step probes pinned `PROBE cmd_bind establish ERR: Io(os error 2)`; explains the counter-39 gate-1 blanket failure, the dummy_harness ONLINE-race DIAGs, and the nondeterminism. Lesson: a widened timing window doesn't create a race, it reveals one.\n  316│\n     │...\n  320│- **Invariant:** every `info.json` writer serializes under the one per-perch `.info.lock`. A whole-record write (`write_info`) takes the lock exactly as the RMW (`mutate_info`) does — a unique tmp only makes concurrent writes *last-writer-wins*, which is safe ONLY if the writers are serialized (cross-ref 5.15). A multi-step read→check→write (bind's establish) must hold ONE lock acquisition across all three (a true compare-and-set) — check-then-write with the lock dropped in between still interlea...\n *321│- **spt-core mapping:** `spt_store::info` — `write_info` now acquires the sentinel then calls a private `write_info_unlocked` (and `mutate_info` — the public RMW primitive — calls the unlocked writer while holding its own lock, so no double-lock deadlock); `info::establish_locked(perch, build)` runs the bind's read→check→build→write as one locked CAS, called by `spt::api::startup::establish_perch`. The other read-modify-write callers were audited and the two that mutate a load-bearing field w...\n  322│- **Source:** RCA 2026-07-01 (doyle gate rig) — differential (baseline PASS / 77beeac+baseline-atomic PASS / fe385f5 2/3 FAIL) isolated the atomic rework as the delta; `reconcile_hosted_liveness` emitting ZERO `LIVENESS_RECONCILE_OFFLINE` lines for the dead victim over 20s pinned the silent-skip. The unique-tmp fix worked (bringup + serve fine) but exposed this deeper pairing.\n  323│\n  324│### 5.17 `powershell` never executes under our detached spawn — a silent no-op that costs every spawn-rig builder the same three runs\n *325│- **Failure:** a test rig that spawns `powershell -Command …` through `daemon::detached_no_inherit*` (`DETACHED_PROCESS`, no console, no inherited handles) gets a process that **starts and exits having run nothing** — not even a bare `Set-Content`. No error, no output, exit status unremarkable: the rig reads as \"my code did not do the thing\" when in fact the *fixture* never ran. Measured 2026-07-26 while building the `[service]` supervision gates: three consecutive runs burned on a fixture that could...\n *326│- **Invariant (rig discipline, not product code):** spawn-based fixtures use `cmd` on Windows and `sh` on unix — never `powershell`. And find a spawned process's descendants **by parentage** via `spt_store::proc::process_table()` (which returns `(pid, ppid)`), never by asking the child to report them: a grandchild that must cooperate to be found is a rig that cannot observe an *uncooperative* one, which is the case the gate exists for.\n  327│- **spt-core mapping:** every spawn rig under `crates/spt-daemon` — `servicehost.rs` (`long_running`/`instant_exit`/`noisy_instant_exit` fixtures, the tree-teardown gate) and any future rig over `daemon::detached_no_inherit_env`. No `REQ-HAZARD-*` id and no regression test **deliberately**: the invariant constrains how tests are written, and the only assertion available would be \"the OS still refuses to run powershell this way\" — an instrument test, which is never requirement evidence. It is numbered...\n  328│- **Source:** RESIDENT-SERVICE W1 leg D (todlando, 2026-07-26); ruled into this document by doyle the same day.\n *329│- **Amendment 2026-08-02 (hertz, releases#110 measurement):** the cause is `DETACHED_PROCESS` **alone** — not the no-inherit half, as the entry's parenthetical implied. Measured on HFENDULEAM with raw `creationflags` and fully piped stdio: `powershell -Command \"Set-Content …\"` under `DETACHED_PROCESS` exits **rc=0 having written no file** (it does not execute); under `CREATE_NO_WINDOW` the identical spawn writes the file and returns its stdout. `cmd /c` behaves DIFFERENTLY from powershell and the ent...\n  330│\n  331│<!-- [doc->REQ-HAZARD-TREE-CWD-PIN] -->\n  332│### 5.18 A surviving test descendant cwd-pins the tree it ran in — the `.worktrees` skeleton that will not delete  `[REQ-HAZARD-TREE-CWD-PIN]`\n *333│- **Failure:** a directory that is some live process's **current directory** cannot be renamed or deleted on Windows, while files *inside* it stay writable. That asymmetry is why the symptom never reads as a file lock: `git worktree remove` fails naming the **directory**, `openfiles` shows nothing, and the tree looks idle. cargo runs each test binary with cwd = the **package root**, so every child a test spawns inherits `<worktree>/crates/<pkg>` as its own cwd — and any child (or **grandchild**) that o...\n *334│- **Mechanism — the common case is a surviving descendant, and it is not the `CREATE_NO_WINDOW` conhost.** releases#110 filed the holder as an *orphaned `conhost.exe` holding the crate root*; measurement on HFENDULEAM 2026-08-02 **refutes** that for the population the rigs mint. `CREATE_NO_WINDOW` does produce exactly **one conhost per console child** (counted by `ParentProcessId`), but that conhost's cwd is **not** inherited: it is launched with a system cwd. Census: **43 readable, all of them `C:\\WIN...\n  335│- **Amendment 2026-08-02 — the exception, field-refuted before it shipped: a `--headless` ConPTY conhost DOES inherit its creator's cwd, and pins it alone.** The entry previously generalized the census above into \"a conhost's cwd is never inherited\". That is true of the `CREATE_NO_WINDOW` population and false of the ConPTY one, which no rig mints but every terminal-hosting path does.\n *336│  - **Field specimen (BAROMETER W4 teardown):** `pid 46556 conhost.exe --headless --width 80 --height 24 --signal 0x214 --server 0x20c`, born during the build, parent dead, PEB cwd `…\\.worktrees\\barometer-w4\\crates\\spt\\` — the **sole** holder. Killing it deleted the tree that had refused to delete.\n *337│  - **Reproduced deliberately, both launch paths.** Minted through `CreatePseudoConsole` from a process whose cwd was a scratch dir: the new `--headless` conhost's PEB reads **that dir**, and with it alive — write-inside **OK**, delete **BLOCKED**, then **DELETED** after `ClosePseudoConsole`, nothing else changed. Launched as `conhost.exe --headless` directly with a working directory: same inheritance. The first covers the path the wild specimen took; the second shows the binary takes its launcher's cw...\n  338│  - **The pty-teardown alternative is excluded causally, not by absence.** \"Zero children\" clears nothing here — a ConPTY client is a child of whoever called `CreatePseudoConsole`, never of the conhost — so killing the conhost could in principle have taken a living client with it. Kill-**order** rig, client deliberately `cd`'d elsewhere so it cannot be the holder: both alive → **BLOCKED**; kill the **client** only → still **BLOCKED**; kill the **conhost** → **deleted**.\n  339│  - **A census of live `--headless` conhosts cannot settle this in either direction.** All 8 alive that day read `C:\\WINDOWS\\system32\\` — and their single creator's cwd *is* `C:\\WINDOWS\\system32\\`, so the value inheritance predicts equals the value OS-assignment predicts, on rows uniform in the asserted property. It reads as confirmation of the old claim and carries no information; the deliberate launch is what discriminates.\n *340│  - **Elevation is not the discriminator, and neither reader needs it.** Both readers open with `PROCESS_QUERY_INFORMATION | PROCESS_VM_READ` only and, **unelevated**, read ~46–49 of the ~50 conhosts alive. A first pass that reported *no* conhost readable was a parsing fault in the caller, not an access denial — worth stating because \"not readable\" and \"read as `C:\\WINDOWS\\`\" are the same blank row to a careless reader.\n  341│  - **Scoped conclusion:** a `CREATE_NO_WINDOW` conhost is never the pin and killing it is never the cure; a `--headless` ConPTY conhost **can be the sole pin**, and there killing it **is** the cure. Neither sentence licenses the other.\n *342│- **Triage step — the finder answers WHO pins, never whether it is SAFE TO KILL.** These are different questions and the blocked-delete error is **identical** for both, which is exactly what makes the step worth writing down. Read the holder's identity *before* acting: an **orphaned descendant** (parent dead, no window, no client) → kill it; a **LIVE process — above all an agent's own shell** → `cd` out, never kill. **When the holder is a `conhost.exe`, its COMMAND LINE is the discriminator** —...\n *343│- **spt-core mapping:** `.github/ci/find-cwd-holders.ps1` — read-only (`PROCESS_QUERY_INFORMATION | PROCESS_VM_READ`, `NtQueryInformationProcess` → PEB → `RTL_USER_PROCESS_PARAMETERS.CurrentDirectory`), no process opened for write or killed; `-Match <substring>` filters by cwd. It reports its **denominator** (readable vs not-openable) because \"0 rows\" from a filter and \"0 rows\" because nothing could be opened are the same output and very different facts — an empty result means \"no pin I could see...\n *344│- **Do NOT \"fix\" this with the spawn flag.** Flipping the rigs' `CommandNoWindowExt::no_window()` (`crates/spt/tests/common/mod.rs`) from `CREATE_NO_WINDOW` to `DETACHED_PROCESS` removes the conhost (measured: 1 → 0) but does **not** remove the pin (that conhost is never the holder — the `--headless` ConPTY exception above is a host no rig mints through this helper), and it breaks rigs outright per the 5.17 amendment: `job_escape_e2e::conhost_children_of` shells out to **powershell** through that ver...\n  345│- **Source:** hertz, releases#110 — filed diagnosis post-v0.51.0 (2026-08-01); mechanism re-measured and the conhost attribution **refuted** 2026-08-02 (per-parent conhost counts, box-wide conhost cwd census, orphan-grandchild positive control). doyle's live correction the same day supplied the live-shell half of the triage step. **The `--headless` exception is field evidence from todlando** (BAROMETER W4 teardown specimen, the direct-launch inheritance test, and the kill-order rig that excluded pty te...\n  346│\n  347│<!-- [doc->REQ-TEST-ENV-ONE-LOCK] -->\n *348│### 5.19 Two mutexes over one process-global env var guard nothing between them  `[REQ-TEST-ENV-ONE-LOCK]`\n *349│- **Failure:** two test-helper crates each declare their own `static ENV_LOCK` over the SAME process-global variable (`SPT_HOME`). Each serializes its own callers **flawlessly** — which is exactly what makes the arrangement read as correct — and neither serializes helper A against helper B. Whichever writes last wins. Because `spt_store::perch::spt_home()` is **not memoized** (it re-reads the env on every call), a test writes its fixture into home A and reads it back from home B: the store is absent,...\n  350│- **Invariant (rig discipline, like 5.17):** one variable, one lock, **per binary**. A crate may keep its own ergonomic wrapper (`with_home`, `isolated_home`, a `TestHome` guard) but must **never** keep its own mutex over a variable another helper in the same binary also writes. `spt_test_support::env_lock()` is THE lease; crate-local helpers return that guard. It is **not reentrant** — a `TestHome` holds it for its whole lifetime, so one is never constructed inside a body already holding the lease.\n *351│- **Why it hides, and where it does not:** invisible under **nextest** (per-test processes) and invisible when a loser is run **alone** (no concurrent holder), so CI's nextest unit lane is structurally blind to it — the cost falls entirely on whoever hand-runs the module during a gate. This is the same \"invisible-by-construction\" property as 5.17, and the reason it is numbered here rather than left to the requirement.\n *352│- **The diagnostic that shortcuts it:** the tell is a **path shape the suspected helper could not have produced**. #111's panic printed `<tmp>\\home\\identity\\trust\\access.json` — a `home` SUBDIR, which `with_home` never makes (it points `SPT_HOME` at the tempdir *root*). That single mismatch named the real aggressor (`spt_test_support::TestHome`) faster than reading either helper. Corollary for the filed-mechanism trap: `with_home` holds its mutex across its **entire body**, so \"a sibling `with_home` te...\n  353│- **spt-core mapping:** `spt_test_support::env_lock` (the one lease) consumed by `spt_daemon::test_home::{env_lock, with_home}` and `spt::testutil::isolated_home`. Guard: `test_home::tests::with_home_and_testhome_serialize_on_the_same_lease` — a `with_home` body holds the lease while a second thread attempts a `TestHome`, asserting the thread cannot enter and `SPT_HOME` cannot move, **then** that it does proceed once released (so a shared lock is proven to be a lock, not a deadlock). Reds on the two-lo...\n *354│- **Source:** releases#111 (filed by doyle from hertz's gate observation, 2026-08-02); filed mechanism refuted and the real root measured the same day — hertz. Cousin class, same date: two builds writing one binary path with nothing guarding between them, which is why the gate recipe now identity-checks the exe hash (doyle, W2 gate).\n  355│\n  356│<!-- [doc->REQ-POOL-FOREIGN-TREE-REFUSED] -->\n  357│### 5.20 Two source trees sharing one cargo target directory fabricate reds that belong to neither  `[REQ-POOL-FOREIGN-TREE-REFUSED]`\n     │...\n  359│- **Why it hides:** the sharing is invisible at the point of use. A junction shows as an ordinary `target/` and nothing in cargo's output names the real directory; `CARGO_TARGET_DIR` is quieter still — it does not even leave a directory entry to notice afterwards. Both reach the same hazard, which is why the rule is about the **relationship** (this tree writing into a target owned by another) and never about a path: the incident that motivated the filing pointed `CARGO_TARGET_DIR` at the *primary check...\n *360│- **The harm is INTERLEAVING, not simultaneity.** Cargo holds an exclusive `.cargo-lock` for a build's duration, so two builds are never literally concurrent — the second blocks. What bit was one lane's artifacts being invalidated by another **between that lane's own steps**. A lease keyed on a `cargo` process therefore guards nothing: it is stale seconds after every claim, so every crossing reads as a takeover and the refusal can never fire. That shape was designed, measured, and refused.\n *361│- **Invariant:** a pool belongs to one source tree. `crates/spt-store/build.rs` enforces it and refuses with `SPT_POOL_FOREIGN`, naming the pool, the owning tree, the lane, the holder pid and the way out. Sequential sharing is correct and cheap — a provably-gone lane is a **loud takeover**, never a refusal, because refusing it would demand a pool per lane (30+ worktrees at a measured 7-15 GB each). Staleness is proven from the **process table plus the birth stamp**; UNKNOWN is not stale and proceeds wi...\n *362│<!-- [doc->REQ-POOL-LANE-IDENTITY] -->\n *363│- **A DEAD HOLDER IS NOT A FINISHED LANE `[REQ-POOL-LANE-IDENTITY]`.** The first shape of this guard answered \"has that lane finished?\" from the holder process alone. Measured on this box afterwards: **3 of 3 live pool claims had a dead holder, and one of those three lanes was live.** A holder is an agent session or a rig shell — cleared, re-forked, re-parented as a matter of routine — so its death says nothing about the lane, and reading it as \"finished\" hands the pool to a second tree **mid-lane**,...\n  364│- **The guard's own hazard:** the build script must emit **no** `rerun-if` directive. It is re-run because cargo's fingerprint for its unit carries `CARGO_MANIFEST_DIR`, i.e. on exactly the tree ALTERNATION the guard exists to catch. Measured on byte-identical trees, sequence `A B A A B`: no directives → 4 firings; one `rerun-if-changed` → **1**, and the foreign tree never fired it again. `crates/spt-store/tests/pool_guard_canary.rs` reads the shipped build script and reds if a directive appears — ...\n  365│- **Source:** BAROMETER W1/H1 window (doyle + todlando, 2026-08-02); design measured and built by hertz, releases#103.\n  366│\n     │...\n  397│- **Invariant:** every context write carries a source+timestamp precedence marker; LLM writes within a protection window after a recent direct write are suppressed (logged); direct writes always proceed.\n *398│- **spt-core mapping:** cross-node Psyche sync (ADR-0003) makes this multi-writer across machines — the precedence marker must include node identity **plus a per-node version vector** (entries from each node's monotonic `EpochSource`; wall-clock never orders). Distributed rule (ADR-0013, M4-D6): dominate→accept, dominated→drop, **concurrent→surface as durable replicated conflict artifacts + Psyche-reconcile on the active instance's node — never silent newest-wins, never lose either version**. T...\n  399│- **Sister cite:** CHANGELOG v1.11.6; `src/owl/echo_commune.rs`.\n  400│\n  401│### 6.6 Surfaced context conflicts preserve both versions until dominated\n     │...\n  406│\n *407│### 6.7 Broker and brain MUST be separate processes (in-process collapse silently breaks no-endpoint-drop update) `[REQ-HAZARD-BROKER-PROCESS-ISOLATION]`\n *408│- **Failure:** the daemon hosts the broker as a background *thread* in the single `spt daemon` process (`daemon.rs:165-170`, `Arc<Broker>` + `thread::spawn(serve)`) instead of a separate process. A brain restart onto a swapped binary then cannot happen without killing the broker thread — closing every PTY, orphaning every harness child, dropping every socket. So `spt update apply` degrades to an in-process `Brain::handoff` no-op: the binary swaps on disk but the running daemon keeps executing the old c...\n *409│- **Invariant:** the broker runs as its own long-lived process that survives every brain restart; the brain restarts onto the new binary and re-attaches via the versioned IPC. A routine (brain-only) update must leave every hosted endpoint untouched at the *process* level — not merely re-subscribe a brain within the same process. The evidence for REQ-UPD-3 / REQ-DAEMON-2 must prove process-level survival (a PTY child + a live QUIC conn survive a brain-process restart onto a swapped binary — SPIKE-01/0...\n *410│- **spt-core mapping:** restoration is ADR-0018 (next milestone). The current `int` tags on REQ-DAEMON-2 / REQ-UPD-3 are regression-masked and re-point at restoration; the broker becomes the always-up per-machine anchor (seed-lock + liveness + brain supervisor). Two-process supervision, generation custody, durable-deadline loop timing, broker-cursor-of-record, and readiness-gated auto-rollback all hang off this.\n *411│- **Origin:** unintended spec/impl drift from ADR-0004 (the broker *process* was specced + spiked but built in-process), discovered during the v0.3.2 fleet update verify. Full audit + decisions: `docs/BROKER-BRAIN-SPLIT-RESTORATION.md` (verified) + ADR-0018.\n *412│<!-- [doc->REQ-HAZARD-BROKER-PROCESS-ISOLATION] -->\n *413│- **D1 (restoration skeleton, ADR-0018 Q2/Q3):** the process boundary is restored — `spt daemon run` is the broker process and spawns a supervised `spt daemon brain` child (`brainproc.rs`); the broker survives the brain dying and respawns it (proven in production topology by `crates/spt/tests/brain_split.rs`). The logic loops still run broker-side (D2 migrates them); the `int` process-level survival E2E + the in-process re-point land at D7.\n *414│- **Closed out (2026-06-11, v0.4.0–v0.4.2):** the two-process model shipped (v0.4.0); the D7 `int` E2E (`brain_survive.rs`) + the N-1 gate prove process-level survival onto swapped bytes and re-pointed REQ-DAEMON-2 / REQ-UPD-3. The v0.4.1 fleet-verify proved this Windows-seamless (hfenduleam: brain pid rolls, broker held, `exe_hash` flips, no manual bounce) but exposed a **Linux** respawn-path gap — the resident broker respawned the brain via per-spawn `current_exe()`, which on Linux follows the `app...\n  415│\n  416│### 6.8 No irreversible durable-state migration before update ready-promotion `[REQ-HAZARD-ROLLBACK-STATE-COMPAT]`\n  417│- **Failure:** the readiness-gated auto-rollback (ADR-0018 Q7) spawns the *previous* binary against durable state the *new* brain already wrote. The first release that migrates a durable-state schema in place would make the old binary unable to read it — silently bricking rollback exactly when it is needed (a logic-bricking update that can no longer fall back).\n     │...\n  420│- **D5 conformance (2026-06-10):** the new durable timing state `<spt_home>/deadline-<key>.json` (restoration D5-1) is **additive** — a rolled-back pre-D5 binary does not know the file and simply ignores it (re-phasing on its own flat-sleep cadence, the pre-D5 behavior). No existing-file schema migration, no irreversible pre-ready write → the new file is rollback-N-1-safe by construction. The thing for a future D6 guard to gate is a *migration* of this file's shape, not its introduction.\n *421│- **D6 guard (2026-06-10, restoration D6-3):** the invariant is now **asserted**, not just noted. The pre-ready durable writes are **enumerated in one place** — `spt-daemon::PRE_READY_DURABLE_FILES` (`rollback_compat.rs`): `deadline-<key>.json` (D5, `DeadlineAnchor`), `applied-state.json` (D6-1, the two-phase `AppliedRecord`), and the generation-stamped `brain.ready` breadcrumb (D6-1b, `{pid, generation}`). A **tripwire unit test** pins each one's additive / N-1-readable contract (load-bearing field na...\n  422│- **Origin:** verification amendment `[V1]` (agent `doyle`) on `docs/BROKER-BRAIN-SPLIT-RESTORATION.md`.\n  423│- **Closed out (2026-06-11):** the readiness-gated auto-rollback shipped (v0.4.0) and the pre-ready durable-file registry + tripwire guard (D6-3) hold. v0.4.2 added a promotion **bytes-gate** that turns a wrong-bytes respawn into an auto-rollback rather than a false `applied` record — strengthening the rollback path the same release exercised across the fleet. No in-place schema migration has shipped, so the invariant remains **asserted, not yet exercised by a real migration** (correct — activate-don...\n  424│<!-- [doc->REQ-HAZARD-ROLLBACK-STATE-COMPAT] -->\n     │...\n  426│### 6.9 Resume-mode brain: a blocking spawn/command wait silently discards OTHER sessions' output\n *427│- **Failure:** a resume-mode brain (per-session `session_cursors` populated by `resume_sessions`) drives `Brain` over **blocking** `read_event` calls. Any command that loops `read_event` until its own reply — `spawn_session_pid` waiting for `Spawned`, `net_status`, `sessions`, etc. — calls `read_event` on *every* interleaved frame, so an OUTPUT frame for a **different** session is **cursor-processed** (its `session_cursors` entry snaps forward; the broker already counted it delivered via `delivered_t...\n  428│- **Invariant:** the daemon-hosted multi-session event loop must not consume a session's OUTPUT inside another session's blocking wait. The **live-agent adapter milestone must restructure the brain event pump** so command/`spawn` is non-blocking (a single demux loop owns `read_event` and routes every frame to its session's consumer), OR a blocking wait must re-queue/route the frames it reads for other sessions rather than dropping them.\n *429│- **spt-core mapping:** the **other-session** face is unreachable today — the supervised daemon brain hosts no PTY sessions and spawns none; a single-session seat (legacy, empty map) has no other session to starve. The **same-session** face is reachable in direct `Brain` users: `spawn_session_pid` can consume and discard that session's own first `Output` frame while waiting for `Spawned` (measured in-process on Linux, 2026-08-25), so a caller must not treat the producer's first chunk as guaranteed post...\n *430│- **Origin:** surfaced by the D4-2b resume-harness CI flake root-cause (agents `todlando` + `doyle`, 2026-06-10); sibling of `[REQ-HAZARD-BROKER-PROCESS-ISOLATION]` 6.7.\n  431│\n *432│### 6.10 Phase-significant loop timing must be a durable absolute-deadline grid, not phase-relative sleep `[REQ-HAZARD-BROKER-PROCESS-ISOLATION]`\n  433│- **Failure:** a periodic loop that sleeps a flat `period` each iteration (`pulse_tick` then `sleep(pulse_period)`) is **phase-relative** — every brain restart silently re-phases the grid to the restart instant. Under the seamless-update model (the supervisor respawns the brain onto a swapped binary, ADR-0018 D3-3), a routine update would shift the cadence of every phase-significant loop, and continuity cannot ride a brain→brain frame (the outgoing brain is gone before the new one starts — the same...\n  434│- **Invariant:** phase-significant periodic timing lives as durable absolute-deadline state on disk (`(anchor, interval)`), rehydrated on every brain start, with fires **derived functionally** (`next_fire = anchor + interval·⌈max(0,now−anchor)/interval⌉`) and **no per-fire write**. An **Update** restart re-reads the anchor and keeps deriving (phase preserved, lands mid-grid); a **Crash**/**Cold** restart re-bases the anchor to `now` (phase reset acceptable — the loop is idempotent catch-up). The...\n  435│- **spt-core mapping:** ADR-0018 Q4/V3/V4, restoration D5. Mechanism in `spt-daemon::deadline` (`DeadlineAnchor` periodic + `OneShotDeadline` rule-only pure helper); the pulse loop (`lifecycle::run_pulse_loop`) consumes it. The one-shot **machinery** (a durable in-daemon alarm scheduler) is the deferred alarm port (`docs/DEFERRED.md`) — the daemon has no one-shot consumer today, so building the timer now would ship untested dead code (activate-don't-pre-fail); D5 fixes the *rule* as a tested-unwired he...\n     │...\n  438│### 6.11 Brain respawn must exec the APPLIED bytes, not the renamed old binary (Linux `current_exe` follows the apply-rename; readiness ≠ new-bytes) `[REQ-HAZARD-BRAIN-RESPAWN-PATH]`\n *439│- **Failure:** the broker respawns the brain candidate from `std::env::current_exe()` resolved **per spawn** (`brainproc.rs:817`). `spt update apply` swaps the binary by renaming the running file `spt` → `spt.old-N` and writing the new bytes at `spt`. On **Linux**, `current_exe()` = `readlink(/proc/self/exe)` is **inode-tracking** and follows the rename to `.old-N`, so the resident broker respawns the brain onto the **OLD** bytes — the brain comes up ready (readiness passes), the trial **promotes**, ...\n *440│- **Invariant:** the candidate-binary default is the canonical exe path **captured once at broker start** (before any `apply` can rename under the process), never a per-spawn `current_exe()` — giving Linux the path-at-start semantics Windows already had. AND promotion is **bytes-gated**: a trial promotes only if the candidate's stamped `brain.ready` `exe_hash` equals the staged artifact's hash for this platform; a mismatch is a failed trial → auto-rollback + loud notif (readiness alone is not proof t...\n *441│- **spt-core mapping:** v0.4.2 fix (`V042-PLAN.md`). Half 1 = `spawn_brain_supervisor` canonical-exe capture threaded into `spawn_brain_child`'s `None` default; Half 2 = the promotion bytes-gate in `supervise_brain`'s `Promoted` arm (`TrialEnv::ready_exe_hash` + `staged_artifact_hash`). The rollback path (`Some(.old-N)` selection) is unchanged. Sibling of 6.7 — the broker *process* is correct; the bytes it respawned the brain ONTO were not.\n  442│- **Origin:** ADR-0018 Q3 silently assumed `current_exe()` path-string semantics; surfaced by the v0.4.1 fleet-roll `exe_hash` bytes assert (agents `todlando` + `doyle` + `deployah`, 2026-06-11). ADR-0018 Q3 amended.\n  443│<!-- [doc->REQ-HAZARD-BRAIN-RESPAWN-PATH] -->\n  444│\n     │...\n  448│- **spt-core mapping:** `fire_echo` (`spt-daemon/src/lifecycle.rs`) calls `spt_live::ingest_body` — the routing core shared with `ingest_drops`, so a later tiering change cannot fork — then publishes the COMMUNE io-event and consumes the write-ahead intent. `run_echo_commune` takes no directory and writes nothing on any arm. A deferred project slice (no project anchor) is a **loud discard**, never a file.\n *449│- **Testing note:** the pin is a **byte-identity** assertion over a pre-placed authored drop, not an existence check — the failure is an OVERWRITE, so the file still exists afterwards and `exists()` stays green straight through the defect. Restoring the write turns that arm red.\n  450│- **Origin:** operator ruling 2026-09-06 on doyle's own funnel measurement (releases#276); built by todlando.\n  451│<!-- [doc->REQ-HAZARD-ECHO-NEVER-WRITES-AGENT-DROP] -->\n  452│\n     │...\n  465│### 7.1 Local `api` mutation auth  `[REQ-HAZARD-LOCAL-API-AUTH]`\n *466│- **Failure:** any local process calls `spt api bind|state|session-end|history-log|poll` and binds, ends, injects, or spoofs the state of an endpoint it does not own. Local untrusted processes are explicitly in scope (shells, third-party adapters).\n *467│- **Invariant:** every `api` *mutation* is authenticated to an endpoint/session — per-endpoint link token or OS-credential binding. An unrelated local process cannot bind, inject, end, or spoof state.\n  468│- **spt-core mapping:** the `api` subcommand surface (PRD R-API-*) + broker IPC.\n  469│- **Source:** codex Stage A #13 (`docs/reviews/STAGE-A-codex-redteam.md`).\n  470│\n     │...\n  477│### 7.3 Psyche outbound capture + sanitization  `[REQ-HAZARD-PSYCHE-OUTBOUND-PROXY]`\n *478│- **Failure:** the Psyche's sole outbound channel is its **stdout** (`<EVENT type=\"reply|notify\">` intents — ADR-0012). Two ways to break it: (a) a **null-stdout / detached** live-Psyche driver silently **discards every reply and notify**; (b) the daemon relays a Psyche-supplied `from=`/target **unchanged**, letting a sandboxed Psyche **spoof identity** or address arbitrary endpoints.\n  479│- **Invariant:** the live-Psyche turn driver **MUST capture stdout** (a bounded, stdin-fed, stdout-captured invocation — **never** `Stdio::null()`); the daemon **MUST strip** every Psyche-supplied `from=`/target/routing attribute, **re-stamp `from=<self_id>`**, and **constrain routing** — `reply` → the inbound message's structural sender (its `from`) only, `notify` → the agent's own user/subnet only. Body validated per 4.1.\n  480│- **spt-core mapping:** the live-Psyche turn driver + daemon outbound relay (ADR-0012); `spt-proto::event` type taxonomy (`+reply`/`+notify`). The interim `runtime::spawn_session` `Stdio::null()` path is **not** the live-Psyche driver.\n  481│- **Source:** grill-with-docs 2026-06-03 (uncovered by prior design passes); sister `src/live/wrapper/claude.rs` (sandbox `[\"Read\",\"Write\",\"Edit\"]` + `parse_markers`).\n     │...\n  483│### 7.4 Per-agent pulse/psyche/echo scheduling must not serialize across agents  `[REQ-HAZARD-DAEMON-SCHED-NONBLOCKING]`\n *484│- **Failure:** echo-commune (`run_bounded_stdin`) and the live-Psyche turn driver (D7.5) are **bounded LLM calls that block their calling thread** until the child answers or the timeout fires. Today each agent drives its own pulse from its **own process** (`spt/src/api/{live,startup}.rs`), so blocking is isolated. When the daemon hosts **N per-agent loops** (ADR-0004 target; the `run_pulse_loop` fan-out is currently def+test only), a **single serial driver** that calls these invocations inline lets one a...\n  485│- **Invariant:** each agent's bounded LLM-bearing work (echo-commune summarizer, Psyche turn) runs on its **own thread / off the shared scheduler** — no single-threaded driver iterating all agents may call a blocking invocation inline. One agent's slow/timed-out call must not delay another agent's next tick beyond tolerance.\n  486│- **spt-core mapping:** the daemon's multi-agent pulse/psyche hosting (ADR-0004, \"all Psyche/pulse loops\" consolidated); `run_pulse_loop` fan-out; echo-commune + the D7.5 Psyche driver.\n  487│- **Source:** grill-with-docs 2026-06-03 (forward invariant — the multi-agent fan-out is not yet wired). Distinct from ADR-0002 SERIOUS #6 (crash blast-radius, not scheduling latency).\n     │...\n  491│- **Failure:** the ADR-0009 access whitelist gates **unsolicited wire inbound by origin node**. If the gate's subject is read from record bytes (an `origin_node`/`from`/`node` field a sender wrote), any sender forges any origin and the whitelist is decoration — same spoof class as 7.3's Psyche-supplied `from=`, now on the cross-node surface.\n *492│- **Invariant:** the origin the gate (and detection/UX — \"node X is driving\") consumes is the **QUIC handshake-proven remote node id** (iroh `EndpointId` == Ed25519 node pubkey, the REQ-NET-1 identity binding) read from the **broker's conn/stream table** (`NetStreamInfo::remote_id_hex`), never from payload. Wire records carry **no origin field by design**; a forged one decodes as an ignored unknown field and influences nothing. `from` inside a record is reply-routing metadata only — never an authoriz...\n  493│- **spt-core mapping:** `spt_net::net::wanmsg::WanMessage` (no origin field) + `spt_daemon::wan::receive_wan` (origin parameter sourced from the stream table) + every future wire-inbound consumer (D5b attach, D5c transfer, D8 notifs).\n *494│- **Source:** M4-D5a design (ADR-0009 consequence: the gate must bind to the transport identity).\n  495│- **Mesh note (ADR-0017, 2026-06-08):** preserved verbatim. The mesh never relays third-party rows, so a record's author is **always** the QUIC-handshake-proven connection origin. The new **membership proof** (seed-proof) is itself channel-bound to both handshake-proven pubkeys — the authorization subject stays transport truth, never payload.\n  496│- **Sender-stamp note (W2b, `REQ-MSG-SENDER-STAMP`, 2026-07-29):** the invariant above is preserved for the **origin node** and for **`from`**, and both sentences stand verbatim — the gate's node subject is still transport truth, and `from` is still never an authorization subject. One field is now carved out of \"a forged one decodes as an ignored unknown field and influences nothing\": `WanMessage.sender_proven` IS decoded and **acted on** as the access chain's tier-1 sender subject. It does not weaken ...\n  497│\n     │...\n  500│- **Failure:** the peer pump is a SINGLE thread driving every leg (registry/notif/sync/update) against every peer over ONE brain-IPC client. Its reply reads (`net_open_stream`, `net_stream_send`, `net_dial`, and the sync/update pull `read_event` loops) were `loop { read_event() }` with no deadline. When a peer's QUIC path black-holes, the broker's stream-open/send awaits the dead peer and never sends the reply, so the brain's `read_frame` blocks FOREVER and the pump freezes mid-round. The heartbeat (loop...\n *501│- **Invariant:** in PUMP mode the brain carrier is **SPLIT at construction** — a dedicated `pump-ipc-reader` thread does blocking `read_frame` on the `RecvHalf` and forwards each framed result down a channel; the main thread writes on the `SendHalf` and reads with `Receiver::recv_timeout`. Every IPC reply read is bounded by a per-call **total-wait** deadline (`PUMP_PEER_IO_TIMEOUT` = 30s, > any legitimate round-trip, < the 60s QUIC idle; re-armed on stream progress for the streaming pull legs so a heal...\n  502│- **spt-core mapping:** `Brain::cold_start_pump` (splits the carrier + arms the deadline) / `BrainConn::Split` (the `SendHalf` + reader-thread channel) / `call_deadline` / `read_event_until` / `read_frame_until` (the `recv_timeout` dispatch), `pump::run_peer_pump` (connects in pump mode) + `pump::peer_outcome` (the tier-split), the `request_sync`/`request_update` pull loops (deadline re-armed on progress). The broker-side half — the broker must never make a brain wait unbounded on a QUIC op (bound the ...\n  503│- **Source:** field diagnosis 2026-06-11 (the 2.2h hfenduleam wedge); doyle ruling A-now / B-deferred. The stall warning (M8 decision 23) was the band-aid; this is the fix. The B-half landed v0.8.3 (§7.8) after the 2026-06-16 recurrence.\n  504│\n     │...\n  513│<!-- [doc->REQ-HAZARD-BROKER-QUIC-DEADLINE] -->\n *514│- **Failure:** the broker's brain-facing QUIC handlers (`dispatch_net_dial` / `dispatch_net_stream_open` / `dispatch_net_stream_send`) call into `NetHost::dial` / `open_stream` / `send_stream`, whose iroh awaits (`endpoint.connect` + `prove_membership`; `open_bi`; `write_all`/`finish`) had NO bound of their own. A dead/black-holed roster peer (its process gone, or a mixed-pair that accepts the conn but never answers the seed-proof) makes the broker await its QUIC path FOREVER, so the brain escapes only v...\n  515│- **Invariant:** every brain-waiting QUIC op is wrapped in a broker-side deadline (`NetHost::bounded_block_on` → `tokio::time::timeout`, `BROKER_QUIC_OP_TIMEOUT_MS` = 10s). On elapse the future is DROPPED (cancelling the in-flight connect/stream op, so nothing is half-registered) and a non-`TimedOut` `io::Error` is returned, which the broker REPLIES as an ordinary error frame. The bound (10s) sits comfortably above any legitimate LAN/relay round-trip and 20s below the brain's 30s `PUMP_PEER_IO_TIMEOUT`...\n  516│- **spt-core mapping:** `NetHost::bounded_block_on` (the timeout wrapper) wrapping `NetHost::dial` / `open_stream` (QUIC branch) / `send_stream`; `BROKER_QUIC_OP_TIMEOUT_MS` + `set_quic_op_timeout` (test override, off `NetConfig` — mirrors `set_roster_exchange`). Unit: `bounded_block_on_cuts_a_never_completing_op_with_an_ordinary_error` (a never-completing op → prompt non-`TimedOut` error; a ready op untouched). Int: `dial_to_a_black_holing_peer_fails_with_a_bounded_ordinary_error` (the broker REPLIE...\n  517│- **Source:** the 7.6 B-half — deferred 2026-06-11 (doyle ruling A-now / B-deferred, DEFERRED.md) and shipped in v0.8.3 after the 2026-06-16 hfenduleam recurrence.\n     │...\n  525│\n *526│### 7.10 A VIEW is independent from the endpoint — closing the launching tab must NOT reap the daemon-hosted harness  `[REQ-HAZARD-VIEWER-CLOSE-DETACH]`\n  527│<!-- [doc->REQ-HAZARD-VIEWER-CLOSE-DETACH] -->\n *528│- **Failure (Windows):** `spt endpoint run` autostarts the daemon (`ensure_running` → `detached_no_inherit`), which INHERITS the launching terminal's Windows Job Object. Windows Terminal / VS Code place the shell AND every descendant in a Job with `JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE`; closing the tab drops the job's last handle → the OS reaps the daemon + its broker-spawned ConPTY harness subtree. The `rc` pump detaching should end ONLY the viewport; the harness must keep running + stay re-attachable...\n *529│- **Invariant:** both daemon spawn paths request `CREATE_BREAKAWAY_FROM_JOB` (0x0100_0000), best-effort with an in-job FALLBACK on `ERROR_ACCESS_DENIED`(5) / `ERROR_INVALID_PARAMETER`(87) so a breakaway-denying job NEVER regresses the spawn. **A real job CAN deny breakaway** (proven: the cargo/CI runner's own ancestor job ACCESS_DENIES it), so efficacy against the real terminal is UNKNOWN until measured. **int stage = OPERATOR MANUAL ACCEPTANCE, not CI** (doyle ruling 2026-06-18): the runner sits inside ...\n  530│- **spt-core mapping:** `daemon.rs::detached_no_inherit` + `deelevate.rs::create_with_token` (the breakaway flag + fallback). Units: `detached_no_inherit_falls_back_under_a_breakaway_denying_job` (no-regression — the shared runner exercises the fallback directly), `breakaway_spawn_escapes_a_kill_on_close_job` (the OS escape mechanism — self-SKIPS where the ancestor job forbids breakaway). Unix: the daemon's `setsid` session-detach already keeps a closing terminal's SIGHUP off its children (guard test...\n  531│- **Source:** v0.12.0 real-harness defect (operator) → v0.12.1 L1 @5ae68f8; doyle design+int ruling 2026-06-18.\n  532│\n     │...\n  534│- **Failure (hypothesized, v0.12.0):** a legitimately dead PTY child (crash/kill) plus an `rc` pump dropped without a clean detach (closed tab) was thought to make the broker's loopback forward `write_all` block forever on a full 64 KB duplex, park a worker in the 2-worker net runtime, saturate both, and stall every new attach / `endpoint run` (with `daemon stop` unable to join).\n *535│- **Invariant — DISPOSITION = PROVE-DON'T-CHANGE** (doyle GATE-PASS @e883f45, 2026-06-18): the post-L0 code ALREADY prevents the wedge; NO fail-fast / worker-count code was added. (1) `serve_attach` forwards fire-and-forget (`net_stream_send` `op_id=None`) and the broker-side `send_stream` is already deadline-bounded (`bounded_block_on`, `BROKER_QUIC_OP_TIMEOUT_MS` = 10s — hazard 7.8), not forever. (2) the loopback duplex is drained broker-INTERNALLY by the operator row's OWN read pump (`nethost.rs` ...\n  536│- **spt-core mapping:** int `crates/spt/tests/attach_wedge_e2e.rs` (REAL detached daemon + dummy-harness fixture): serve the victim (rc sees its tick), abruptly kill rc (dropped pump) + kill the PTY child → a NEW endpoint still comes online + is served (no wedge), the dead endpoint is offlined within a tick (`LIVENESS_RECONCILE_OFFLINE`), `daemon stop` bounded. Leans on 7.8 (the QUIC-op deadline) + 7.7 (viewer isolation).\n  537│- **Source:** v0.12.0 real-harness finding (operator) → v0.12.1 L2 @e883f45; doyle GATE-PASS 2026-06-18.\n  538│\n  539│### 7.12 Controller output must NOT be written inline on the drain thread — a backed-up controller wedges the session  `[REQ-HAZARD-INJECT-CONTROL-COEXIST]`\n *540│- **Failure (v0.12.x, operator dogfooding + doyle /diagnose 2026-06-19):** `OutputLog::append` fanned each live chunk to the CONTROLLER via a SYNCHRONOUS, blocking `write_frame` held INLINE on the session's single drain thread while `Mutex<OutputLog>` was locked (viewers already had a dedicated writer thread + bounded evicting channel). A backed-up controller socket — a slow operator, or the full 64 KB `rc` loopback duplex under heavy TUI redraw — parked the drain thread WITH THE LOG LOCK HELD: outpu...\n  541│- **Invariant:** controller delivery runs OFF the drain thread — a dedicated controller writer thread + bounded channel (the 7.7 viewer_writer pattern) does the blocking socket write; the drain hands each chunk off with a BOUNDED, OFF-LOCK send (deadline → detach + `clear_controller`, never park forever, never silently evict a LIVE operator's authoritative view). The controller is AUTHORITATIVE (unlike a viewer): its writer advances the `delivered_through` resume cursor (atomic, only-on-success, mono...\n  542│- **spt-core mapping:** impl `broker.rs` `OutputLog::append`/`controller_writer`/`become_controller`/`ControllerJob::deliver`/`clear_controller`; int `crates/spt-daemon/tests/inject_control_wedge.rs` (a fully-backed-up controller keeps `KIND_SESSIONS` answering = no wedge); unit the bounded-deliver + monotonic-cursor kernels. The input-side parks (write_input `write_all` on a full buffer; DSR-answer writer-mutex contention) are BENIGN on Windows ConPTY (absorbs a large inject), real only on Unix forkpty ...\n  543│- **Source:** v0.12.x operator wedge → v0.13.0 W1 (doyle GATE-PASS 2026-06-19).\n     │...\n  560│- **Invariant:** `reconcile_hosted_liveness`, when it offlines a sessionless controllable perch (the B2 keystone — no live broker session ⇒ dead harness), ALSO clears `driven_by` (`set_driven_by(perch, None)`). RACE-FREE and single-writer-safe: with NO live broker session there is no controller to re-stamp `driven_by` concurrently, so the brain may write it here without contending the broker. (The LIVE-session leg — a controller gone while its session survives — is NOT this hazard: a clean discon...\n *561│- **MEASURED 2026-07-22 (DAEMON-LIFECYCLE W2 Leg B, `transport_death_eof.rs`) — the residual SPLITS in two, and only one half is still open.** On REAL QUIC (two brokers, `BindScope::Loopback` + a real `net_dial` — NOT the in-process duplex, which has no idle timeout at all), a remote controller whose QUIC STACK DIES WITHOUT A FIN (peer frozen: endpoint alive, UDP port still bound, keepalives unanswered — the sleeping-laptop shape) DOES self-heal: the transport's own idle timeout tears the conn, the...\n  562│- **Watch-out (repro-proven, real broker):** `SessionInfo.controller_by==None` is AMBIGUOUS — `dispatch_spawn` pre-attaches the spawner as the LOCAL controller with `by=None`, so a live LOCALLY-driven session also reads `None`. It is therefore NOT a usable standalone `driven_by` clear trigger (would false-clear a live local session). The shipped Gap-B self-heal needs no controller signal at all (it keys on session ABSENCE).\n  563│- **spt-core mapping:** impl `livehost.rs` `reconcile_hosted_liveness` Gap-B clear + the additive `SessionInfo.controller_by` observability field (`msg.rs`, populated in `broker.rs` `KIND_SESSIONS`); unit `livehost.rs` `pull_liveness…` extended (offlined sessionless perch clears `driven_by`; live/relay perches untouched); int `crates/spt-daemon/tests/driven_by_selfheal.rs` `gap_b` (real broker: reconcile offlines AND clears `driven_by`) + the A1/A2 characterization (`inject_control_wedge.rs` w5_a1/w5_a2).\n  564│- **Cross-ref 7.29 (who MAY clear vs who MUST NOT):** the BRAIN reconcile here MUST NOT clear `driven_by` off `controller_by==None` (ambiguous with a live LOCAL controller). The BROKER stamp-convergence (7.29) MAY — it reads `has_controller()` DEFINITIVELY (its own controller slot), so it authoritatively clears a stale `driven_by` against a live session with no controller (the `has_controller()==false` leg). The invariant's owner for that leg moved to the broker; this brain-side ambiguity-safety is unc...\n     │...\n  582│### 7.19 An operator input FLOOD must not deadlock the broker via the applied-ack on the same conn  `[REQ-HAZARD-INPUT-ACK-BACKPRESSURE]`\n *583│- **Failure (operator HITL, the ctrl+V re-open):** a flood of operator input on one brain↔broker conn wedged the WHOLE broker PERMANENTLY (no new/existing attach; the controller stayed latched — the per-conn handler couldn't process the detach). `serve_attach` processes a whole `NetStreamData` batch of N `Input` records in its inner loop, calling `send_effect` N times WITHOUT returning to `read_event()`; the broker answers each with `send_frame(applied_envelope)` on the SAME conn. Brain not reading ...\n  584│- **Invariant:** the applied-ack is OPT-IN. `InputReq` carries `ack: bool` (serde `default = true`, N-1-safe). The fire-and-forward operator/rc path (`serve_attach`) sends `ack=false` via `Brain::send_effect_no_ack`; `dispatch_input` writes NO applied frame when `ack=false`, so the per-conn handler never writes back while servicing the flood → it always drains → no deadlock (cures ANY input flood). `shellchan` (one-at-a-time spool delivery, WAITS on `BrokerEvent::Applied`) keeps `send_effect` (`ack=t...\n  585│- **spt-core mapping:** impl `msg.rs` `InputReq.ack` (`default_true`) + `brain.rs` `send_effect_no_ack`/`send_effect_inner` + `attach.rs` `serve_attach` operator path → `send_effect_no_ack` + `broker.rs` `dispatch_input` gates `send_frame(applied)` on `req.ack`; unit the serde default + the ack-emitted-iff-true + the no-ack-path exactly-once dedup; int (keystone, repro-first) a flood of N>pipe-buffer input frames through `serve_attach` on one conn — PRE-FIX deadlocks, POST-FIX drains all N + the sess...\n  586│- **Source:** v0.13.0 P1b (operator HITL re-open; doyle /diagnose on the enhanced rc+broker capture 2026-06-19). The real ship-blocker behind the ctrl+V wedge.\n     │...\n  597│- **Failure (doyle instrumented RACEDIAG repro, kitsubito):** on a brain-restart re-serve the handoff brain registered as controller on the SAME session TWICE over the SAME socket — `Brain::handoff` eagerly `subscribe(prior.next_seq=1)` → `become_controller(from_seq=1)`, spawning writer-A (writes seq 1); then `serve_attach` re-handled the replayed `Request{from_seq:0}` → `attach_as(sid,0)` → `become_controller(from_seq=0)`, spawning writer-B (writes 0,1). `become_controller` dropped the prior `Co...\n *598│- **Invariant:** on a single brain↔broker connection exactly ONE `controller_writer` is ever the LIVE writer; a SUPERSEDED writer writes no further frames after the epoch bump it observes; and **every `controller_writer` emits a strictly ASCENDING seq stream** (sorted initial batch + ascending live frames). The CORRECTNESS guarantee that falls out: a snap-above consumer over any interleaving of ascending writers — where the surviving writer (`serve_attach`'s `attach_as(sid,0)`) offers the COMPLETE ra...\n  599│- **spt-core mapping:** impl `brain.rs` `Brain::handoff` (KEEP the eager `subscribe`; seed `session_cursors`) + `Brain::subscribe_with` (resume-mode dedup-cursor reset to `from_seq`, shared by `attach`/`attach_as` — the operator-stream boundary fix) + `broker.rs` `OutputLog.controller_epoch: Arc<AtomicU64>` / `become_controller` (atomic `fetch_add`, passes the new epoch + `Arc::clone` into the writer) / `controller_writer` (epoch gate read UNDER the lock on both loops) / `mark_controller_gone` + the `C...\n  600│- **Source:** v0.13.0 P1c (operator-ruled root-fix before ship; doyle root-cause via instrumented repro 2026-06-20; design corrected across two gate rounds — fix #1 reverted, then the kitsubito RACEDIAG pinned the residual to the consumer-side operator-stream boundary, fixed by the `subscribe_with` cursor reset on `attach_as` re-subscribe). The last v0.13.0 ship-blocker.\n  601│\n     │...\n  632│- **Failure:** a bare/relative adapter-shipped program path — `[message-idle-translation-binary].path = \"cc-spt-idle-translate\"` — passed VERBATIM to the broker spawns via `Command::new` against the daemon's cwd/PATH, FAILS (not on PATH), and the spt-hosted session FAILS CLOSED to raw inject. The binary's `{text}{delay}{key:enter}{commit}` choreography never runs → idle messages are typed into the harness but **never submitted**. `build_translation` DOES log `TRANSLATION_SPAWN_FAILED:<path>:<err>` ...\n *633│- **Invariant:** every adapter-manifest program path resolves against the adapter install dir BEFORE PATH (REQ-INSTALL-11, `resolve_program_in_dir`) — at the harness session spawn (`harnesshost::launch_harness_brokered_in`: the idle-translation binary AND the session program), the W3d live-update RESPAWN (`broker::read_translation_path`), and the notif command (`with_install_dir`, both the daemon `notif.rs` and the api `reporting.rs` render paths). **Diagnosis rule:** before any deep behavioral analysi...\n  634│- **Source:** F-019 (v0.14.2); root confirmed on real claude-spt (perri + doyle). The raw-inject FALLBACK itself (degenerate no-binary floor) is unchanged by F-019 — its removal (message stays SPOOLED + poll-fed, never raw PTY inject) rides a separate ADR-0022 amendment.\n  635│<!-- [doc->REQ-INSTALL-11] -->\n  636│\n     │...\n  640│- **Failure (F-024C/F-024D, ENLYZEAM field + clean-room repro 2026-07-02):** `authenticate()` (auth.rs) gates `api poll`/`state`/`boundary` on `proof.session_id == info.json.session_id`. If ONE boundary rotation is LOST — the departing session dies (crash / tab-close) or its `/clear`-era `boundary` call never lands — the perch stays PINNED to the dead sid, and every id-scoped hook call thereafter AUTH_REFUSES *including `boundary` itself* (the very call that would re-pin presents the NEW sid). A perm...\n *641│- **Invariant:** `authenticate()` gains a DEAD-OWNER fallback — when the caller's sid MISMATCHES the pin **AND** the perch's recorded owner pid is DEAD (`proc::is_process_alive == false`), ACCEPT the caller's sid and RE-PIN (rotate `info.json.session_id` via the locked `mutate_info` RMW + a LOUD `SESSION_REPIN` stderr line). Same trust model as `establish_perch`'s conflict gate, which already allows a rebind exactly when `owner_alive == false` (an orphaned perch accepts a new LOCAL owner). This is **AD...\n *642│- **spt-core mapping:** impl `spt/src/api/auth.rs` `authenticate` dead-owner-mismatch branch (`read_pid` → `proc::is_process_alive` → `mutate_info` rotate + `SESSION_REPIN` log); unit `auth.rs` `pinned_to_dead_sid_mismatched_poll_repins` (AUTH_REFUSED → drains+re-pins, RED pre-fix) + `live_owner_mismatch_still_refuses` (the `/clear` live-rotation squat guard, unwidened) + `token_auth_path_unchanged` (correct token wins first, no rotation).\n *643│- **Source:** F-024C/F-024D (perri field RCA on ENLYZEAM + doyle code-confirm 2026-07-02; the wedge latches on `/clear` even in a CLEAN env — the env-corruption domino was sufficient but not necessary). COVERAGE: dead-owner re-pin rescues CRASHED/DEAD owners ONLY; live-pid rotation is correctly refused without departed-session proof. Cross-refs ADR-0032 (the 3-layer rotation-credential model) + `[REQ-BOUNDARY-ROTATION-CREDENTIAL]` (layer 1, the adapter/harness-contract half).\n  644│<!-- [doc->REQ-HAZARD-SESSION-PIN-WEDGE] -->\n  645│\n  646│### 7.26 Concurrent first-touch of ONE fresh BranchStore must ALL succeed — a non-atomic `git init` race must never strand a first-toucher  `[REQ-HAZARD-STORE-INIT-RACE]`\n *647│- **Failure (G3-gate pump.rs:442 flake, doyle-ledgered; clean-room repro 2026-07-02):** `BranchStore::open_or_init` (branchstore.rs:47) is a TOCTOU — it gates on `HEAD.exists()` then runs a NON-ATOMIC init (`git init --bare` + `git config core.autocrlf false` + best-effort `worktree.useRelativePaths`). N processes that all observe `!HEAD.exists()` on ONE fresh store race the init: concurrent `git init --bare` collide copying template hooks (`fatal: cannot copy … File exists`, exit 128), AND the `git ...\n  648│- **Invariant:** N concurrent `open_or_init` on ONE fresh dir ALL return `Ok`. The init is race-tolerant: `git init --bare` retries a transient collision with a growing backoff that desynchronizes racers (a lone re-init on a partially-copied dir completes cleanly — verified), treating a now-present `HEAD` as success (open-after-lose); the required `core.autocrlf=false` pin retries a transient `config.lock` collision (the value is idempotent, so the winner writes the same bytes). Convergence is guarante...\n  649│- **spt-core mapping:** impl `spt-store/src/branchstore.rs` `open_or_init` → `init_bare_tolerant` (bounded init-collision backoff-retry + open-after-lose) + `config_set_locked_retry` (bounded `config.lock`-aware retry). unit `branchstore.rs` `concurrent_open_or_init_on_one_fresh_store_all_ok` (N=8 threads race one fresh dir → every result Ok, HEAD present, `core.autocrlf=false`; RED-FIRST: the pre-fix path failed the `git init` template-copy loser).\n  650│- **Source:** doyle F-025 wave Item 2 (the G3-gate pump.rs:442 flake root-caused as this TOCTOU). The red-first repro surfaced the race is BROADER than the ledgered `config.lock` — concurrent `git init --bare` itself collides on template-hook copy.\n     │...\n  656│### 7.27 A control/viewer stamp must NEVER outlive its session — every teardown path clears what attach stamped  `[REQ-HAZARD-CONTROL-STAMP-LIFETIME]`\n *657│- **Failure (F-026 #2, live evidence HFENDULEAM):** an spt-hosted endpoint stayed `ONLINE+CONTROLLED` after the operator's RC `/exit` — hours later hall-a's `info.json` still read `controlled:true` (status offline, dormant) and hfenduleam still GOSSIPED `controller_node=self` cross-node (SPT_DEV.json snapshot). ROOT: `/exit` kills the CHILD, not the controller connection, so the endpoint suspends via child termination and the teardown runs the REAP path (`broker.rs` exit-waiter → `sessions.remove(&id...\n *658│- **Invariant:** on session reap the broker clears the perch's control/viewer stamps — `OutputLog::stamp_reaped()` = `set_driven_by(None)` + `set_controlled(false)` + `set_viewer_count(0)` via the known endpoint id — so no teardown path leaves a stamp behind. The broker stays the SINGLE writer; the clear is unconditional (idempotent when already clear) and RACE-FREE — the session is dead, so there is no live controller to re-stamp concurrently (the same argument as 7.15's no-session leg). Best-effo...\n *659│- **spt-core mapping:** impl `broker.rs` `OutputLog::stamp_reaped` + the exit-waiter reap call (before `sessions.remove`); int (real broker+PTY, no mocks) `crates/spt-daemon/tests/control_stamp_lifetime.rs` `reap_clears_control_and_viewer_stamps` (spawn hosted session → the live controller stamps `controlled=true` → latch `driven_by`+`viewer_count` on disk → KILL the child → the reap clears all three; RED-first verified: fix disabled leaves `driven_by=Some`, `controlled=true`, `viewer_count=Some(...\n  660│- **Source:** F-026 W1 #2 (BUILD-F026-PICKERTRUTH; doyle triage + gate, todlando build 2026-07-03).\n  661│\n  662│---\n     │...\n  665│### 7.28 A relative manifest path resolves against the ENDPOINT, never the daemon  `[REQ-STORE-CONTEXT-BRANCH-FILL]`\n *666│- **Class rule:** a relative manifest path naming a filesystem location the ENDPOINT reads or writes MUST resolve against the endpoint's own cwd (its `info.json.cwd`, read at USE time), never the daemon's process cwd. A single daemon hosts many endpoints with different cwds, so a relative path frozen or read against the daemon cwd points at a directory no endpoint uses. Keys that resolve via `{cwd}` template substitution (`[digest].source`, `[history].locate_template` — `{cwd}` filled from `info.cwd`) ...\n  667│- **Failure (F-026 SI-1, box-wide, evidence-complete):** the two-tier context BranchStore (`tracked/.seed.git`) held ZERO `a-*`/`p-*` branches on HFENDULEAM despite months of live-agent use — 0 objects, unborn HEAD, no `projects/` worktree checkouts, no commune drop files anywhere (psyche context flowed via the SEPARATE spt-agent-storage sync, masking it). ROOT: `BrainLifecycle::with_config_in` used `manifest.session.commune_dir` / `signoff_dir` VERBATIM (`PathBuf::from`). claude-spt declares `commune_...\n  668│- **Invariant:** drop-dir resolution + project-id derivation happen AT INGEST TIME against the endpoint's fresh `info.cwd` (`pulse_tick`, not frozen at construction): absolute → as-is; relative + a recorded cwd → joined under it; relative + NO cwd → SKIPPED with a LOUD-once `DROP_INGEST_SKIP` diagnostic (never guessed, never the daemon cwd). Project-tier routing is owlery-gated — an owlery-internal anchor (psyche-host session) resolves its drops verbatim but routes NO `p-<project>` branch (empty ...\n  669│- **spt-core mapping:** impl `spt-daemon/src/lifecycle.rs` `resolve_endpoint_drop_dir` + `is_spt_internal` + `warn_no_cwd_once` + `pulse_tick` (reads `info.cwd`, resolves each drop dir, derives spt-internal-gated `project_id`) + `spt-live/src/ingest.rs` `route_slices` (empty-project_id skips the project tier); unit `resolve_endpoint_drop_dir_cases` + `spt_internal_decision_table` (lifecycle.rs) + `empty_project_id_skips_project_tier` (ingest.rs); int (real pulse + real store) `relative_commune_dir_resolv...\n     │...\n  675│### 7.29 Control/viewer stamps CONVERGE to broker session-table truth, not merely edge-trigger  `[REQ-HAZARD-CONTROL-STAMP-CONVERGENCE]`\n *676│- **Failure (F-026 stamp-gap, hall-b + the original ball-b):** a picker-created endpoint (`endpoint run` → new) read plain `ONLINE` in the list + picker while genuinely driven — `info.json` `controlled:false` throughout. ROOT (the UPWARD companion to 7.27's downward edge-clear): the broker spawn path's `become_controller` → `stamp_driven_by` → `set_controlled(true)` fires at SPAWN time, but a FRESH endpoint has NO PERCH yet (the adapter binds it after claude boots), so `mutate_info` returns `NotF...\n  677│- **Invariant:** the broker (SINGLE writer) re-asserts each live session's control/viewer stamps to session-table TRUTH, DIVERGENCE-GATED — read the perch's recorded `(driven_by, controlled, viewer_count)`, compare to the live truth (`controller_by()` / `has_controller()` / live `viewer_count`), and write ONLY on a real difference (no per-poll fsync storm). The re-assert rides the `KIND_SESSIONS` handler (the daemon reconcile + picker poll it on cadence), so a fresh perch CONVERGES within one reconcile...\n  678│- **Coverage boundary (who MAY clear vs who MUST NOT — cross-ref 7.15):** the convergence's `driven_by`-clear leg fires ONLY when `has_controller()==false` — the DEFINITIVE broker signal (it reads its OWN controller slot, not the ambiguous `controller_by`). That is why the broker MAY clear a stale `driven_by` where the BRAIN reconcile (7.15) MUST NOT: the brain only sees `controller_by==None`, which a live LOCAL controller also reads, so a brain clear would false-heal a genuinely-driven session. This...\n  679│- **spt-core mapping:** impl `broker.rs` `stamp_divergence` (pure gate) + `converge_perch_stamps` (off-lock, single-writer, skips a perch-less/corrupt endpoint) + `OutputLog::has_controller`/`live_viewer_count` (snapshot accessors) + the `KIND_SESSIONS` handler (snapshot-under-lock → converge-off-lock); unit `broker.rs` `stamp_divergence_gates_writes` (no-diff → no write; `controlled false→true` = the stamp-before-bind case; driven_by / viewer / both); int (real broker+PTY) `control_stamp_lifetime....\n     │...\n  683│<!-- [doc->REQ-HAZARD-PSYCHE-RESIDENCY-EXPECTATION] -->\n *684│- **Failure (paid-for, field brick 2026-07-04, adapter v0.13.2):** the pre-F-030 model kept a **resident** Psyche process the daemon supervised, with residency machinery (`confirm_residency_or_unhost`) that **un-hosted the parent endpoint** when the resident child went missing. A bad adapter ship (v0.13.2) made the psyche shim exit on every turn; the residency machinery read that as a lost resident and **tore down the parent's hosted state — the ready marker was removed and never re-stamped**, so every...\n *685│- **Invariant:** a Psyche is a **bounded per-event turn**, not a resident process — its liveness is that turns succeed, so there is no \"resident is gone\" signal to react to. A psyche turn failure of ANY shape (spawn fail, non-zero exit, timeout, wedge) stamps **psyche fields only** (`psyche_host_error` on the Self perch) and **NEVER** touches the parent endpoint's `status` / ready marker / hosted state; the endpoint stays online and deliverable while its Psyche is unwell. The teardown-on-psyche-trouble...\n *686│- **spt-core mapping:** the residency/reap DELETIONS in `spt_daemon::livehost` (`reconcile_once`'s stop-side no longer un-hosts on psyche trouble; `host_one` holds no resident child) + `spt_daemon::lifecycle::run_psyche_event_turn` (a turn failure stamps `psyche_host_error` only) + the `first_turn_psyche_context` non-empty guarantee (a zero-context fresh turn can't masquerade as continue → reseed churn). Conformance int = the hall-bf shape: multi-subnet home, live endpoint, a psyche turn that fails eve...\n  687│- **Source:** F-030 (psyche-ephemeral) — paid-for by the hall-bf churn (ordinal 6491+) and the adapter v0.13.2 bad-ship brick, 2026-07-04.\n  688│\n  689│### 7.31 The Psyche failure budget must count REAL per-event attempts — a resident rate-guard is blind to per-event churn  `[REQ-HAZARD-THRASH-GUARD-BLIND]`\n     │...\n  704│<!-- [doc->REQ-HAZARD-BROKER-FLOOR-LOCK-POISON] -->\n *705│- **Failure (paid-for class):** a brain-only self-update restarts the BRAIN but keeps the BROKER process — and every one of its `Mutex`es — ALIVE by design (REQ-UPD-3). So a single panic while another thread held a broker-resident lock POISONS it permanently: the next `.lock().unwrap()` panics too, kills its per-conn reply thread, and EVERY subsequent attach silently deadlines (`spt rc` → \"brain IPC read deadline elapsed\") while non-locked ops keep working. The effect journal (bug #16, `[REQ-HAZARD...\n  706│- **Invariant:** NO broker-resident lock reachable from serve/dispatch may use a bare `.lock().unwrap()`. Recover via the shared `recover` (`into_inner` — safe for the short, coherent-on-recovery map ops of `sessions`/`pair_holds`) or, for the `OutputLog` ring, `recover_log` — which adds a COHERENCE CLAMP on the recovery path: a panic mid-`append` can leave the ring torn (over-cap, a last seq not below `next_seq`, non-monotonic), and serving those bytes risks garbage, so `clamp_or_reset` cheap-checks...\n  707│- **spt-core mapping:** `broker::recover` / `broker::recover_log` / `OutputLog::clamp_or_reset`. unit = a poisoned session-map recovers to a usable guard (the next attach still opens), a torn ring clamps/resets-empty only when torn (coherent untouched, `next_seq` preserved), and `recover_log` wires the clamp onto the poison branch — each RED-first against a bare `.lock().unwrap()` / an un-clamped `into_inner`. int (scripted panic-under-lock during concurrent attach → next attach opens) deferred to th...\n  708│- **Source:** REMOTE-TRUTH B-1 (pivoted — the triage's named floor sites were already closed by `[REQ-HAZARD-INJECT-WORKER-POISON]`; the surviving attach-path lock class is the real root), doyle B-1 ruling (recover all three via one helper + the OutputLog ring coherence clamp).\n  709│\n *710│### 7.34 A dead `rec.pid` on an spt-hosted perch is EXPECTED — no reader may alive-gate on `rec.pid` alone  `[REQ-HAZARD-DEAD-REC-PID]`\n *711│<!-- [doc->REQ-HAZARD-DEAD-REC-PID] -->\n *712│- **Failure (paid-for, field evidence — the F-026 #11 dead-pid class):** an spt-hosted endpoint's `rec.pid` records the ephemeral bind-CLI pid, which dies IMMEDIATELY after bind (the broker holds the PTY; there is no resident harness process at that pid). Readers that alive-gated on `rec.pid` alone treated the perch as stale: self-detect leg (c) could NEVER resolve an spt-hosted sender (its from-stamp degraded to `cli@NODE`, operator #7, and replies bounced `NO_PERCH` — sighted on hall-bf/ball-b, v0....\n *713│- **Invariant:** a dead `rec.pid` on an spt-hosted perch is an EXPECTED state, not staleness. NO reader may alive-gate on `rec.pid` alone: spt-hosted LIVENESS comes from the daemon-managed `status` field (KH 2.5 — status present ⇒ authoritative, never a per-pid probe); IDENTITY comes from session/ancestry resolution, where `rec.parent_pid` (the harness pid, the stable session-binding anchor) is the ancestry candidate (ADR-0021 seed-hint discipline: pid is a bind-time SEED, not a truth anchor — re-a...\n *714│- **spt-core mapping:** `roster.rs` `detect_self_by_ancestry` (the first sighted reader, fixed by `[REQ-SELF-DETECT-PARENT-PID]`: `parent_pid` candidates alongside `rec.pid`). int = the E-1 red-first (`detect_self_resolves_spt_hosted_perch_via_parent_pid`: dead `rec.pid` + live-ancestor `parent_pid` resolves), dual-tagged as this class's test.\n *715│- **Source:** REMOTE-TRUTH E-1 rider (doyle ruling 2026-07-05: scoped reader-side (b) over re-stamping `rec.pid` (a) — ADR-0021 ground truth, migration hole, blast radius).\n  716│\n  717│### 7.35 The cached ceremony-clock NTP offset must NOT survive an OS clock STEP — an offset measured against the pre-step clock strands every pairing for the TTL  `[REQ-HAZARD-CEREMONY-CLOCK-STEP]`\n *718│- **Failure (paid-for, field evidence — the enlyzeam BIGNET-join RCA 2026-07-06):** enlyzeam's `w32time` was STOPPED, so its system clock drifted +3m30s; the pairing ceremony offset (REQ-PAIR-8, `ntp.rs`) correctly corrected the TOTP clock — until an operator `w32tm /resync` STEPPED the OS clock back −210s under the LIVE daemon. The cached offset had been measured against the OLD (drifted) clock and its snapshot was monotonic-only (`when: Option<Instant>`), so the step was invisible to the cache: f...\n  719│- **Invariant:** the offset cache MUST detect an OS clock step and re-query, never apply a stale offset across it. The snapshot stores an `(Instant, SystemTime)` PAIR; on every read, if the wall clock diverged from the monotonic clock since the snapshot beyond a small tolerance (`|wall_elapsed − mono_elapsed| > ~2s`) the OS clock STEPPED ⇒ force an immediate re-query (offset recomputed against the new clock) regardless of TTL. Belt-and-braces at the join edge: `meet_seed_holder`, on search-deadline e...\n  720│- **spt-core mapping:** `spt_net::net::pairing::ntp` — `CachedOffset{when, wall_at}` pair + `refresh_needed`/`clock_stepped`/`signed_secs` (step-detect) + `force_refresh`/`invalidate` (the meet-exhaustion re-query seam); `spt_daemon::pairhost::meet_seed_holder` via `sweep_then_final_retry` (force-refresh + one final sweep on exhaustion). unit = `clock_step_forces_refresh_via_injected_reads` (injected mono/wall reads: a wall step forward OR back with mono barely moved re-queries; agreeing clocks within ...\n  721│- **Source:** JOIN-TRUTH W1/D3 (doyle /diagnose enlyzeam RCA; the offset defeated by a live clock step is the D3 of four defects, D1 multihome + D2 loud-fail + D4 verbose-clock the siblings).\n     │...\n  724│<!-- [doc->REQ-HAZARD-BROKER-VIEWER-BRAIN-DECOUPLE] -->\n *725│- **Failure (paid-for, rig-CONFIRMED 2026-07-06/07 — `NtSuspendProcess` on the brain, no update involved):** a controller's writer thread does a BLOCKING socket write to its brain subscriber conn. When that brain is suspended (or black-holed) the write never returns. The output-driven eviction path (`append` → `mark_controller_gone`, bounded by 7.12's `CONTROLLER_WRITE_DEADLINE`) only fires on NEW output, and `reap_dead_controller` (7.29 companion) only caught a writer that had EXITED — so a contro...\n *726│- **Invariant:** no broker client ever observes a wedge because the BRAIN stalled. (1) The controller's writer publishes its IN-FLIGHT-write window (`write_blocked_since`: `Some(Instant)` set immediately before the blocking `write_frame`, `None` after — the mutex never held ACROSS the write); a reader sees a `Some` older than `BRAIN_WRITE_DEADLINE` (15 s = 3× the 7.12 controller bound, measured full-with-**zero writer progress**, so a slow-but-DRAINING brain never trips it) as a WEDGED writer and stal...\n *727│- **spt-core mapping:** `broker.rs` — `ControllerSink::write_blocked_since` + `controller_writer` (marks the in-flight window around both the initial-batch and live-loop writes) + `controller_write_stalled` (pure predicate over injected `now`/`deadline`) + `stall_evict_controller` (Inline stamp at `resolve_subscribe`, Deferred stamp at `reap_dead_controller` so the reap closure does no I/O under the shared sessions lock) + `record_stall_evict`/`stall_evict_stats` (the tally) + `dispatch_stall_evicts` (...\n *728│- **Source:** LIFECYCLE-TRUTH W2 (doyle rig `NtSuspendProcess` root + design ruling `docs/W2-DESIGN-RULING.md` @60ec0ed — minimal-plus scope, `BRAIN_WRITE_DEADLINE` 15 s, passive resubscribe + observability rider; todlando build 2026-07-07). The v0.27→v0.28 update-wedge night's flagship defect.\n  729│\n  730│### 7.37 The Layer-1 settle-gate must RE-ARM per delivery on an observable PTY — a mid-session reader reattach (`/clear`) re-creates the head-swallow race  `[REQ-HAZARD-INJECT-SETTLE-REARM]`\n  731│<!-- [doc->REQ-HAZARD-INJECT-SETTLE-REARM] -->\n     │...\n  738│<!-- [doc->REQ-HAZARD-SHAREDSEND-NO-BLOCKING-WRITE-UNDER-LOCK] -->\n *739│- **Failure (paid-for, field capture + deterministic Windows repro 2026-07-09 — hertz RCA, UPDATE-WEDGE round-4):** `controller_writer` held the `SharedSend = Arc<Mutex<SendHalf>>` guard ACROSS a blocking `write_frame`. On Windows, `interprocess 2.4.2` routes the send to `WriteFileEx` + `SleepEx(INFINITE, alertable)` — this local-socket send path exposes **no supported write timeout** (`set_timeout` → `Unsupported`). An `rc --take` controller consumer that stopped reading blocked the write **indefi...\n  740│- **Invariant:** every write on a physical broker connection rides ONE broker-owned bounded/cancelable framed-write primitive with an **independent out-of-band aborter**. The `SendHalf` never leaves the conn object (a bypass cannot compile). An ABSOLUTE deadline stamped at write entry covers BOTH the serialized gate-wait AND OS write completion; a per-conn watchdog fires at that deadline and aborts the in-flight op — never relying on the write returning or on opportunistic stall-evict sampling. On dead...\n  741│- **spt-core mapping:** `spt-daemon/src/conn.rs` `BrokerConn` (Condvar-gated serialized write gate + poisoned state + per-in-flight op id + watchdog + `abort_physical()`: cfg(windows) `CancelIoEx` → completion handshake → `DisconnectNamedPipe` raw kernel32 externs; cfg(unix) `UnixStream::shutdown(Both)`); `broker.rs` `SharedSend = Arc<BrokerConn>` + `controller_writer`/`viewer_writer`/`send_frame`/`send_error` routed; `nethost.rs` stream-log/presence sends routed. int = `brain_decouple.rs` `non_drain...\n  742│- **Source:** UPDATE-WEDGE round-4 (hertz root doc `docs/UPDATE-WEDGE-ROOT-CAUSE.md` @f8596ca; doyle gate ruling `docs/UPDATE-WEDGE-RCA-DISPATCH-todlando.md`; todlando build 2026-07-09). The residual 7.36 left open: logical eviction without physical retirement.\n     │...\n  745│\n *746│### 7.39 Per-session identity env (`SPT_ENDPOINT_ID`/`OWL_SESSION_ID`/`SPT_AGENT_ID`) is NEVER inherited — the daemon scrubs it at startup AND on every role spawn, regardless of any role's declared `env_remove`  `[REQ-HAZARD-DAEMON-IDENTITY-ENV-SANITIZE]`\n *747│<!-- [doc->REQ-HAZARD-DAEMON-IDENTITY-ENV-SANITIZE] -->\n  748│- **Failure (paid-for, perri field RCA 2026-07-09/10 — F-036 psyche seat-theft):** a daemon restarted from inside an agent session (routine during core dev / `spt update apply`) carried the session's `SPT_ENDPOINT_ID=doyle` and passed it verbatim into every `[session.psyche_resume]` spawn — core stripped only each role's DECLARED `env_remove` list (runtime.rs `command_for`), so ONE adapter `env_remove` miss infected the whole node. Every psyche claude turn fired SessionStart, the adapter hook saw the...\n *749│- **Invariant:** the identity set (`spt_runtime::IDENTITY_ENV_VARS`) is per-session state and NEVER correct inherited state for a daemon or any child it spawns. The daemon (broker AND brain entries) scrubs its own process env first thing (`scrub_identity_env`); the shared role-spawn command builder scrubs the set unconditionally and LAST (after `env_remove`, read-env stamps, and the recursion guard), so no adapter declaration — missing or pathological — can leak identity into a role child. A spawn th...\n *750│- **spt-core mapping:** `spt-runtime/src/runtime.rs` `IDENTITY_ENV_VARS` + `scrub_identity_env` + the `command_for` unconditional scrub; `spt-daemon/src/daemon.rs` `Daemon::run` / `Daemon::run_brain` startup scrub; `spt/src/api/startup.rs` `establish_perch` custody-squat refusal over `spt-store/src/psyche_custody.rs` `custody_squatter`.\n *751│- **Source:** MSG-IDENTITY W1 (perri F-036 RCA; doyle dispatch `docs/MSG-IDENTITY-DISPATCH.md`; adapter half shipped claude-spt v0.18.8 — this is the core-layer defense so no adapter miss can ever leak identity again).\n  752│\n  753│---\n  754│\n     │...\n  757│- **Failure (paid-for, perri field finding 2026-07-08 — F-032, data-loss):** `ingest_drops` unconditionally deleted the drop after `route_slices`, but the project tier is GATED on a non-empty `project_id` — when the endpoint's anchor cwd was unresolved/owlery-internal at ingest time, the `<project-context>` slice was parsed but never committed, yet the source drop was still deleted → the project-context content permanently lost. perri's two-sliced echo-commune INGESTED (file deleted) yet never surf...\n *758│- **Invariant:** delete-after-commit, per slice. Distinguish a write **SUPPRESSED by precedence** (incoming older than durable → already superseded → safe to delete) from a slice **un-committable now** (empty `project_id`, or any write error → the `?` retry path). An un-committable non-empty project slice is preserved as a **project-only pending slice under the COMMUNE suffix, whatever the source drop's kind** — a signoff-suffix pending would be reaped by `sweep_stale_signoff` on the next listene...\n  759│- **spt-core mapping:** `spt-live/src/ingest.rs` `ingest_drops` (deferred-project preserve + `Ingested.preserved`); `route_slices` project gate unchanged (`REQ-STORE-CONTEXT-BRANCH-FILL`); kin `REQ-HAZARD-DROP-FILE-SINGLE-WRITER` (core stays the single writer — the preserve rewrite is core's own write).\n *760│- **Source:** MSG-IDENTITY W3 (doyle triage, code-grounded ingest.rs:156 gate vs :200 delete; repro fixture F-032-commune-2026-07-08T222721Z.md).\n  761│\n  762│---\n  763│\n     │...\n  765│<!-- [doc->REQ-HAZARD-REDISPATCH-CONTROL-STEAL] -->\n *766│- **Failure (paid-for, hertz field RCA 2026-07-16 — 4/5 endpoints frozen, twice in one day):** every brain cycle (`spt daemon refresh`, `spt update` apply — same `applyhost.rs` path) launches a fresh `dispatch::run_dispatch_loop` whose EMPTY per-process `claimed` set enumerates every broker-held peer stream. `NetShared.streams` has NO removal path (`StreamLog::finish` only marks) and the claim condition has no finished filter → the fresh dispatcher replays FINISHED historical attach streams. A repl...\n *767│- **Invariant:** redispatch eligibility is LIFECYCLE-gated: a finished/terminal stream row is retired from the dispatcher's enumeration (a fresh dispatcher never re-serves a terminal Attach); classification identity is restart-durable and independent of the evictable data ring (immutable opener fact pinned per stream until close); claims are retryable on transient worker-setup failure and terminal on terminal outcomes (no hot-loop). The legitimate same-`by` successor re-take after a brain restart still s...\n  768│- **spt-core mapping:** `spt-daemon/src/dispatch.rs` `run_dispatch_loop` claim condition + `peek_first_line` classification + worker spawn; `spt-daemon/src/nethost.rs` `NetShared.streams` insert/finish + `DEFAULT_STREAM_RING_CHUNKS`; `spt-daemon/src/applyhost.rs` (the brain-cycle trigger).\n  769│- **Source:** REDISPATCH-TRUTH W1 (hertz source-level RCA `.claude/reports/2026-07-16-redispatch-truth/hertz-refresh-rca.txt`, doyle seam-verified; ADR-0038; distinct from the CLOSED 0.30.x session-cursor resume-steal saga).\n  770│\n     │...\n  792│- **Failure (paid-for, hertz post-close v0.36 field RCA 2026-07-17 — live prod box):** FOUR compounding consequences of \"physical teardown waits for conn close\" on connections that never close. The registry pump opens one fresh stream per feed (~30s) on the persistent pump conn; nothing retires the rows (the dispatcher — sole `retire_stream` caller — skips `initiated_locally`) → sender history unbounded. `stream_infos` filters `retired` only → every dispatcher poll serializes O(history) rows ov...\n *793│- **Invariant:** a one-way (fire-and-forget) family's row is TERMINAL at successful FIN — the sender retires it; eligibility filtering happens server-side before IPC serialization; feed application is transactional per feed (snapshot writes O(feeds), never O(chunks × record-kinds) — no synchronous full-state rewrite inside a per-chunk drain iteration); a deadline-poisoned one-way replay retires terminal at a per-stream strike budget (safe: the next pump round re-advertises); every completed serve re...\n  794│- **spt-core mapping:** `spt-daemon/src/pump/mod.rs` `push_feed` (sender retire); `spt-daemon/src/nethost.rs` `stream_infos` (server filter) + SubscriberSeat teardown + thread naming; `spt-daemon/src/dispatch.rs` `serve_registry_feed` (transactional apply) + worker completion unsubscribe + strike budget; `spt-daemon/src/registryhost.rs` `write_snapshots` call sites; `spt-daemon/src/brainproc.rs` `write_ready`/`current_exe_hash`.\n  795│- **Source:** REGISTRY-LIFECYCLE W1 (hertz RCA `.claude/reports/2026-07-17-registry-stall-rca/README.md`, doyle-verified all legs 2026-07-17; ADR-0040; supersedes the v0.36 clean-window general-health ruling — the Attach-family fix stands, the class recurred for Registry).\n  796│\n     │...\n  798│<!-- [doc->REQ-HAZARD-ENDPOINT-LIFECYCLE] -->\n *799│- **Failure (paid-for, three hertz reports + operator field 2026-07-16):** four families, one root shape — lifecycle state written by multiple non-converging paths, optimistic stamps never verified. (a) `cmd_listen` stamped `status=online` from manifest capability alone → dead-PID hybrid rows survived EVERY restart (reconcile skipped them by state, cleanup gated on `controllable=true`, readers trusted `status=online` past dead-PID rejection). (b) Definitive session death stamped `status=offline` only...\n *800│- **Invariant:** online is stamped only from persisted state + hosting authority; legacy rows self-heal after a SUCCESSFUL broker query (broker failure ≠ empty set); control-stamp cleanup runs for every endpoint absent from session truth regardless of state/controllability, split from offline classification; definitive death = ONE atomic store mutation (offline + rest_state=suspended + clear dormant_since_ms, same info.json write) — never a rest-event edge, never reader-side inference; stamp writes a...\n  801│- **spt-core mapping:** `spt/src/api/startup.rs` `cmd_listen` creator gate; `spt-daemon/src/livehost.rs` reconcile split + decide_resume; `spt-daemon/src/lifecycle.rs` `mark_offline` → terminal-normalize; `spt/src/cli.rs` `cmd_stop`/create dispatch; `spt-daemon/src/broker.rs` SpawnReq policy split + KIND_SPAWN_FRESH + dup-guard probe; KH 7.12/7.27/7.29 kin.\n  802│- **Source:** REGISTRY-LIFECYCLE W2/W3 (hertz emphasys triple + rest-normalize + spawn-fresh reports 2026-07-16, doyle seam-verified same day; ADR-0041; operator deployah-wedge field evidence).\n  803│\n     │...\n  806│- **Failure (paid-for, hertz perri contradiction RCA 2026-07-17/18 + operator field recovery):** the broker hosted an honest live session (client tree alive, `SessionProbe::has_live_session_honest` = true) while the persisted perch row said `offline` — the resumed harness sat wedged at a failed native resume, SessionStart never fired, the perch never bound, inbound messages black-holed. `spt rc` trusted the offline row and refused pre-IPC while `endpoint run --resume` reattached to the very same sessio...\n *807│- **Invariant:** every rc-family reader consults the single honest-session authority (ADR-0041 `SessionProbe`) before any persisted-status fast-fail — honest session ⇒ attach; no session ⇒ refuse; dead client tree ⇒ refuse/reap, never attach. UNBOUND = broker session exists + harness not bound, fresh/resume-invariant: resume stamps an existing offline perch UNBOUND (generation-safe rollback on spawn-fail/session death), bind owns UNBOUND→ONLINE. Refusal copy states known facts (harness-hosted ...\n  808│- **spt-core mapping:** `spt/src/rc.rs` `run_attach` offline fast-fail + `establish_attach` target carry; `spt/src/rc.rs` `SessionProbe`; the resume-launch spawn path (UNBOUND stamp + rollback); `spt/src/cli.rs` `cmd_endpoint_run` reattach arm (the already-correct reader, parity source).\n  809│- **Source:** RC-RENDER-TRUTH W1 (hertz RCAs 2026-07-16..18, doyle seam-verified; ADR-0042; organic pre-edit evidence preserved at hertz's `perri-info.pre-unbound-manual.json`).\n  810│\n     │...\n  813│- **Failure (paid-for, hertz stale-glyphs RCA 2026-07-18, all legs doyle seam-verified):** four render-lifecycle defects presenting as \"missing whitespace\"/stale glyphs. (a) The broker exit waiter direct-writes `KIND_EXIT` via `all_sinks()` while PTY output queues through `controller_writer` — the per-conn gate serializes bytes but not producer order, so Exit overtakes the child's final erase/SGR-reset/`?1049l` and rc returns immediately (the broker test suite already documented Exit-before-Output and ...\n *814│- **Invariant:** one FIFO sequencer per attach sink — Exit is enqueued behind all prior Output (drain completion first); rc display teardown is a separate RAII guard from input teardown, unconditional and idempotent on every exit path including unwind (SGR reset, scroll-region reset, cursor show, leave alt screen, clear+home — while VT processing is enabled, before mode restore, before prose); a TUI surface has exactly one renderer — core verbs invoked from a live TUI return structured outcomes and...\n  815│- **spt-core mapping:** `spt-daemon/src/broker.rs` exit waiter + `controller_writer`; `spt/src/rc.rs` `RawGuard` (split guard) + reconnect give-up path; `spt/src/picker/mod.rs` purge arm + `spt/src/cli.rs` `cmd_endpoint_purge` output; `spt-term/src/screen.rs` `render_repaint` + DECSTBM tracking.\n  816│- **Source:** RC-RENDER-TRUTH W3 (hertz RCA 2026-07-18; ADR-0043; herdr v0.7.4 surveyed as prior art, ideas only — AGPL).\n  817│\n *818│### 7.48 At most one input-capable controller lease per PTY session — takeover revokes atomically and loudly, input is fenced to the active lease, node identity is never a lease  `[REQ-HAZARD-CONTROLLER-LEASE]`\n  819│<!-- [doc->REQ-HAZARD-CONTROLLER-LEASE] -->\n *820│- **Failure (paid-for, hertz same-machine `--take` RCA, field repro 2026-07-16):** terminal A controlled an endpoint; terminal B on the SAME machine ran `spt rc --take`. Local loopback attaches carry only NODE identity, so `resolve_subscribe` computed `same_identity=true` and took the silent successor path for a distinct `--take` — intent never consulted; sink replaced with no `Displaced`, no stream close (the only loud branch is different-remote+Take). `dispatch_input` is session-addressed with no con...\n *821│- **Invariant:** each rc invocation/attach mints a unique controller LEASE id carried through subscribe, the controller slot, and Input/Resize; the only silent successor is same-lease + equal-or-newer generation (dispatcher recovery, ADR-0038 fix-6 preserved); explicit Take on a DISTINCT lease always revokes ATOMICALLY and authoritatively (old lease fenced + old attach stream FORCE-closed; the Displaced notice via the old writer is best-effort — a Full-queue notice drop must never leave the incumbent i...\n *822│- **spt-core mapping:** `spt-daemon/src/broker.rs` `OutputLog::resolve_subscribe` (same-identity branch) + `become_controller` slot + `dispatch_input` fence; `spt-daemon/src/brain.rs` documented `None==None` note; `spt/src/rc.rs` loopback attach origin + `PumpEnd::Displaced` (client side already correct).\n  823│- **Source:** RC-RENDER-TRUTH W2 (hertz RCA filed 2026-07-18, doyle seam-verified same day; ADR-0044).\n  824│\n  825│### 7.49 A teardown verb never stamps a terminal or resting state it has not caused — and two individually-correct verbs must not compose into a lifecycle dead end  `[REQ-HAZARD-TEARDOWN-DEADEND]`\n     │...\n  827│<!-- [doc->REQ-ENDPOINT-TEARDOWN-AUTHORITY] -->\n *828│- **Failure (paid-for, two hertz field RCAs 2026-07-19, both doyle code-verified the same day; the second hit doyle's OWN live production endpoint):** `endpoint shutdown` reported `Active -> Suspended` and `endpoint stop` reported `STOPPED` while the broker session, its harness child, and a descendant `spt api listen` all kept running — the verbs only removed the ready marker, ran the Suspend rest edge / unregistered the address, and stamped the record. Three consequences, all observed: (a) the whole s...\n *829│- **Invariant:** a teardown verb never stamps a terminal or resting state it has not caused. Where the session is broker-hosted (`controllable == Some(true)` — the ONE hosting authority, ADR-0041), \"stopped\" and \"suspended\" both mean the broker session row is GONE and its whole DESCENDANT subtree is reaped, via one shared primitive behind both verbs: resolve → dedicated sid/endpoint-keyed kill claiming NO controller (never `attach` + `kill_session`, which is a controller theft with a lease-generation...\n *830│- **spt-core mapping:** `spt/src/teardown.rs` (the shared primitive + topology gate + timeout copy); `spt/src/cli.rs` `cmd_shutdown` / `cmd_stop`; `spt-daemon/src/broker.rs` `dispatch_teardown` (over `spt_store::proc::kill_pid_tree`); `spt-daemon/src/brain.rs` `teardown_session`; `spt-daemon/src/livehost.rs` `reconcile_hosted_liveness` stays the partial-failure catch-up net. Precedent one scope up: `REQ-HAZARD-DAEMON-STOP-REAP`.\n  831│- **Source:** TEARDOWN-AUTHORITY W1 (ADR-0045; hertz RCAs 2026-07-19).\n  832│\n *833│### 7.50 The liveness oracle answers from the process table, never from a handle a caller still holds  `[REQ-LIVENESS-ORACLE-SOUND]`\n  834│\n  835│<!-- [doc->REQ-LIVENESS-ORACLE-SOUND] -->\n *836│- **Failure (paid-for, found by todlando during TEARDOWN-AUTHORITY W1 gate round 0, 2026-07-19; latent in `session_is_zombie` since the cycle verbs were built):** `spt_store::proc::is_process_alive` probes `OpenProcess` on Windows, which keeps SUCCEEDING for a TERMINATED process while any parent still holds an open handle to it — and the broker holds `Arc<PtySession>`, hence such a handle, for every PTY child it spawned. So a correctly-reaped harness reads ALIVE. `broker.rs::session_is_zombie` feeds ex...\n *837│- **Invariant:** **`is_process_alive` is unsound exactly when the ASKER — or a live ancestor of it — still holds an open HANDLE to the target.** That is the only condition under which `OpenProcess` outlives termination; dropping a `Child` closes the handle, so a spawner that DROPS is honest and a spawner that RETAINS is not. Therefore the dangerous shape is asking **\"is it GONE\" about a process you OWN**, and **the same call is sound in the CLI and unsound in the daemon for the very same pid** — so...\n *838│- **Second instance — the table's OTHER half (paid-for, found by doyle at the RESIDENT-SERVICE W1 PR gate, Linux leg, 2026-07-26):** absence from a non-empty snapshot is proof of death, but **PRESENCE in it is proof of LIFE on Windows only.** On unix a killed-but-unreaped child of a still-running spawner (in-process daemon hosting, tests) stays in `/proc` in `Z` state with a readable `stat`, so `process_table` keeps it and `process_exists` answers `Some(true)` for a process that runs nothing. `provably...\n *839│- **spt-core mapping:** `spt-store/src/proc.rs` (`is_process_alive` caveat + `process_exists` sibling over `process_table` + `provably_gone`'s per-platform present arm); `spt-daemon/src/servicehost.rs` `awaits_death` / `kill_orphan_service_at`; `spt-daemon/src/broker.rs` `session_is_zombie` (`wrapper_alive`) with `zombie_verdict` unchanged; consumers `spt/src/rc.rs` `has_live_session_honest`, `spt/src/cli.rs` `endpoint run` dup-guard + `cmd_rest` Suspend `alive_hint`; `spt/src/teardown.rs` `root_provably...\n *840│- **Source:** TEARDOWN-AUTHORITY W2 (ADR-0045 Amendment 1; todlando W1 gate finding 2026-07-19). Knowledge note: this Windows behavior was documented VERBATIM in `spt-daemon/tests/legacy_resident_sweep_e2e.rs` (which drops handles deliberately to get an honest probe) and never reached `proc.rs` or `zombie_verdict` — written where DISCOVERED, not where CONSUMED.\n  841│\n *842│### 7.51 Process custody is an identity, never a bare PID — a recycled pid must read NOT OURS  `[REQ-HAZARD-RESUME-CUSTODY-ABA]`\n  843│\n  844│<!-- [doc->REQ-HAZARD-RESUME-CUSTODY-ABA] -->\n *845│- **Failure (paid-for, hertz v0.39.4 field RCA 2026-07-22, doyle code-verified same day):** `resume.pid` custody is a bare PID consumed as `read_resume_pid(..).is_some_and(is_process_alive)` at BOTH the livehost restart gate and the liveness-reconcile DEFER. A dead wake-resume spawn's pid, recycled by the OS onto an unrelated process (field proof: `resume.pid=29456` resolved to a random `cmd.exe`), reads as \"a resume is in flight\" indefinitely: reconcile defers every tick, the row stays online-authoritat...\n *846│- **Invariant:** a custody record that gates lifecycle decisions stores an **identity pair (pid + process creation time)**, written atomically at spawn-mint; consumers test the PAIR, and a mismatch means NOT OURS — the discovering reader DELETES the record and proceeds as if no custody existed (self-heal, not error). Bind and reap clear custody atomically with their own outcome. Creation time comes from the process snapshot, never a retained handle (7.50); no snapshot ⇒ \"unproven\" ⇒ defer ONE tick,...\n *847│- **spt-core mapping:** `spt-daemon/src/livehost.rs` (restart gate + reconcile DEFER custody reads); `spt-store` resume-custody record + `proc.rs` snapshot identity; regression = the recycled-pid rig (custody pair mismatching a live impostor pid → record deleted, reconcile proceeds, row goes honest).\n  848│- **Source:** DAEMON-LIFECYCLE W1 (ADR-0047 decision 1; hertz field RCA bug 1).\n  849│\n  850│### 7.52 An operator stop outranks every implicit ensure — no convenience path resurrects what the operator just killed  `[REQ-HAZARD-STOP-RESPAWN-CONVOY]`\n     │...\n  854│- **Invariant:** `daemon stop` records a durable machine-scoped **stop inhibit** BEFORE teardown begins; every implicit autostart path consults it and DECLINES with one honest line naming the remedy (`spt daemon start`). Cleared by intent verbs only (explicit start; update paths that restart by design) — **no TTL** (a timeout is the surprise respawn again, later). Implicit autostart additionally takes a machine-wide lock around probe-and-spawn so concurrent callers can never launch competing daemons. R...\n *855│- **spt-core mapping:** `spt/src/api/mod.rs` `ensure_daemon` + `spt-daemon` `ensure_running` (the two implicit anchors); `spt/src/cli.rs` `cmd_stop` (inhibit mint) + `daemon start` (clear); machine-lock alongside the existing daemon single-instance machinery. Kin: `REQ-HAZARD-DAEMON-STOP-REAP` (stop reaps its tree — this hazard keeps the tree DOWN afterwards).\n  856│- **Source:** DAEMON-LIFECYCLE W1 (ADR-0047 decision 2; hertz field RCA bug 2).\n  857│\n  858│### 7.53 A durable copy of revocable content is validated against its source of truth at DELIVERY time — a spooled notice outliving its row must not deliver  `[REQ-NOTIF-DRAIN-ROW-VALIDITY]`\n     │...\n  879│- **The open candidate (field question with hertz, NOT built against):** the pseudoconsole BOOTS with `ENABLE_ECHO_INPUT`/`ENABLE_LINE_INPUT` ON (`in=0x000001f7` measured) and it is the CHILD that clamps them off. Any window in which the hosted TUI has not yet clamped — startup, or a re-clamp after a TUI-internal state transition — is a window in which the console echoes BY DEFAULT, with no seam having \"re-enabled\" anything. That reframes the question from *who turns echo back on* to *is there a wind...\n *880│- **Invariant:** input bytes must never come back as output — that stands, and it is the observable any regression asserts, because it survives being wrong about the mechanism. Two structural facts constrain every fix and every rig for this class: (1) **the daemon cannot observe or set the hosted child's console modes at all** — those handles belong to the pseudoconsole the child is attached to, and the daemon holds only the master end, so \"instrument the mode at the `spt-term` resize seam\" names a p...\n  881│- **spt-core mapping:** no production code owed today. Instrument = `adapters/mock/src/console_mode_probe.rs` (probe child; verdict travels in the stdout PROTOCOL LINE, never stderr — under a ConPTY the child's stderr is interleaved into the same re-rendered stream and arrives shredded, so a refused `SetConsoleMode` could otherwise read as a measurement). Rig = `crates/spt-term/tests/resize_console_mode_integrity.rs` (the four-sample measurement, the typed-bytes-do-not-echo symptom leg, and the seeded ...\n  882│- **Source:** DAEMON-LIFECYCLE W3 (ADR-0047 Amendment 1 addendum; hertz second production capture 2026-07-22; measurement + rescope todlando 2026-07-22, doyle-ratified same day).\n  883│\n     │...\n  886│<!-- [doc->REQ-RC-NEWLINE-PRESENTATION-TRUTH] -->\n *887│- **Failure (paid-for — v0.39.4 field bug 3, the `/c/config` scraps, pinned 2026-07-22 via the W3 bisect):** rc's Windows viewport enables VT output as `prior | ENABLE_VIRTUAL_TERMINAL_PROCESSING | ENABLE_PROCESSED_OUTPUT` (`rc.rs` `with_vt_output`) and `DISABLE_NEWLINE_AUTO_RETURN` appears NOWHERE in the tree — so with processed output on, the operator's console translates every relayed bare LF into CR+LF. A hosted TUI that emits bare LF as a plain index at a non-zero column (capture record t=178471...\n *888│- **Invariant:** the rc presentation path configures the console so relayed bytes render as the emitter addressed them: whenever processed/VT output is enabled, `DISABLE_NEWLINE_AUTO_RETURN` is set with it (the Windows half of the symmetry Unix rc already has — raw mode clears OPOST/ONLCR); the prior mode is captured and restored on exit as today. A bare LF in the relayed stream is an INDEX (row down, column preserved), never a newline. Console-mode seam kin: 7.55 (input echo across resize) and the W3 ...\n  889│- **spt-core mapping:** `spt/src/rc.rs` `with_vt_output`/`enable_vt_output`/`restore_out_mode`; regression = the W3 captured-bytes rig PAIR (vehicle console without DNAR = field client model, RED pre-fix; with DNAR = fixed client, GREEN) + the minimal LF probe (`ESC[2J ESC[5;3H \"XX\" LF \"AB\"` — column preserved vs reset) through an rc-mode console.\n  890│- **Source:** DAEMON-LIFECYCLE W3 bisect (todlando three-probe isolation + doyle static grep + byte-verify, 2026-07-22); hertz ENLYZEAM captures (anchor + fresh-viewer-clean contrast).\n  891│\n *892│### 7.57 Resolve a process-global once per operation and thread the value inward  `[REQ-HAZARD-PROCESS-GLOBAL-ONE-RESOLUTION]`\n  893│\n *894│<!-- [doc->REQ-HAZARD-PROCESS-GLOBAL-ONE-RESOLUTION] -->\n *895│- **Latent failure:** a public operation resolves a process-global and then calls a callee that resolves it again. The two reads can disagree inside one operation. Two production instances existed unnoticed: `daemon_inhibit::set_stop_inhibit -> inhibit_path` and `servicehost::service_env -> env assembly`. Both were invisible until a test happened to be the victim; nobody was hunting the production forms.\n *896│- **Invariant:** resolve the process-global exactly once at each public boundary and thread that value inward. An `_at(home)` helper is not proof if any inner callee can still read the global.\n  897│- **Eventual gate:** count `spt_home()` occurrences and require exactly one per public boundary, inside the thin wrapper. The repaired files currently expose the intended count directly: `servicehost.rs` has one occurrence in its wrapper; `daemon_inhibit.rs` has five, one per public function. A shape-only test for a threaded parameter is insufficient because it can pass while a callee re-reads the global.\n *898│- **Posture:** recorded as inactive `REQ-HAZARD-PROCESS-GLOBAL-ONE-RESOLUTION`; activate only with the milestone that adds the counting regression. No changelog entry: disagreement requires an in-process `SPT_HOME` mutation and is not user-observable in ordinary CLI use.\n  899│\n *900│### 7.58 A recorded pid is not kill authority — authenticate the process before any kill, in rigs AND in product  `[REQ-HAZARD-TEST-PID-TREE-KILL-IDENTITY]` `[REQ-SHELL-KILL-AUTHENTICATED]`\n  901│\n  902│> **Scope note:** the requirement id keeps its `-TEST-` infix for registry stability (it is referenced by markers and groups across the tree), but this entry is **not** test-scoped. It was written from a rig failure and read as a rig-discipline rule until BAROMETER proved the same defect shipped in the product kill path; the product half is tracked by `REQ-SHELL-KILL-AUTHENTICATED`.\n  903│\n *904│<!-- [doc->REQ-HAZARD-TEST-PID-TREE-KILL-IDENTITY] -->\n *905│- **Failure (golden run `30501468421`, Windows job `90742055246`):** `worker_lifecycle_e2e` ran all child calls, then read `daemon.pid` and invoked `taskkill /PID <pid> /F /T` before its first assertion or observability point. A hard-killed harness cannot unwind, producing the observed bare exit 1 with no panic or assertion. More seriously, a stale or wrong recycled pid lets `/T` terminate an arbitrary foreign process tree on a shared runner.\n *906│- **Invariant (BOTH populations — test rigs and shipped product):** identity precedes termination. First distinguish a gone process from a live one: an already-exited pid is benign, logged, and skipped. For a live pid, prove the process wearing that number is the one the record means before any kill — in a **test rig** by re-resolving its executable path and requiring it under that job's own target directory (refusing the current test process and every ancestor even when the path matches); in **produ...\n *907│- **The refusal must be audible.** A destructive path that treats unknown as do-not-fire trades a loud wrong action for a quiet wrong state, and the quiet one is what cannot be RCA'd later. Every declined kill names its reason and the pid it spared, and any bounded confirm loop that ends with the target still alive reports that rather than returning as though it had succeeded.\n *908│- **Measured breadth, predicates stated separately:** on the wider non-recursive root `crates/*/tests/*.rs`, 42 files contain `taskkill` plus the literal argument `\"/T\"` (the original `crates/spt/tests/*.rs` root accounts for 31). Of those 42, 30 also join a literal `*.pid` or `*.ready` breadcrumb filename: 26 reference `brain.ready`, 6 reference `daemon.pid`, with overlap; manual source tracing confirms breadcrumb-to-tree-kill flow in 23 and leaves 7 explicitly unconfirmed. An independent wider-root pre...\n *909│- **`brain.ready` inversion:** a live brain refreshes `brain.ready` every heartbeat, so **a stale `brain.ready` means the brain is already dead — and killing a dead pid is precisely when reuse bites.** A heartbeat-refreshed breadcrumb feels safer than a write-once one, but staleness correlates with the original target being gone; the dangerous reuse case is therefore the common stale-file case.\n  910│<!-- [doc->REQ-SHELL-KILL-AUTHENTICATED] -->\n *911│- **PRODUCT POPULATION (BAROMETER, releases#114 — this entry was scoped TEST-only until then, and that scoping was false the moment the product defect was proven).** The shipped shell lifecycle carried the identical violation. BAROMETER W2 authenticated the DERIVATION path (`shellinfo::shell_pid_provably_dead` runs the pair test) and left the KILL path believing a bare pid, so the very state the derived read calls a corpse still routed to `taskkill /PID <pid> /T /F`. Proven by probe, not inferred: a li...\n *912│- **A read-side gate is worthless where nothing was written to read.** `waker.pid` was parked bare, and `relay_liveness(live_pid, None)` is `Held` by design (pre-stamp records fail toward alive) — so a gate at `kill_waker_at` alone would have returned `Held` for every record that exists today and every one written tomorrow: a **vacuous** gate that proves green. Authenticating a kill therefore begins at the WRITE site. The pair is minted in the waker's single existing write as a two-line `waker.pid` (`<...\n *913│- **The pair test NARROWS the mis-fire; on Linux it does NOT eliminate it.** `process_started_at` reads `/proc/<pid>/stat` field 22, which counts `CLK_TCK = 100` jiffies, so two processes whose starts fall in the same 10ms tick carry an identical stamp and the pair cannot separate them. The window closes from *any recycled pid* to *a pid recycled into the same 10ms tick as the recorded start* — which requires our process to die AND the OS to hand its number to a new process inside one tick. Windows is ...\n *914│- **Migration window and downgrade direction, named rather than discovered.** Pre-W2 shell records and pre-fix waker records carry no stamp, read `Held` on existence alone, and keep the old bare-pid kill until their next launch writes a pair — the window is accepted, not closed. In the other direction, an OLD binary reading a NEW two-line `waker.pid` parse-fails to `None`, which reads as no-pid and refuses the kill: missed-kill, never mis-fire.\n  915│- **Repair posture:** the release-path repair instrumented and path-authenticated only `worker_lifecycle_e2e` on the rig side; that narrowness still holds for the 42-file rig breadth, which remains a finding rather than permission for silent scope expansion. It never licensed leaving the product path unauthenticated, and no longer reads as though it did.\n  916│\n *917│#### 7.58b A best-effort breadcrumb is not an identity oracle on the READ side either\n  918│\n *919│<!-- [doc->REQ-HAZARD-TEST-PID-TREE-KILL-IDENTITY] -->\n *920│The kill-path rule above generalizes: `daemon.pid` is not authority for *\"which process is the daemon\"* in any direction, not merely *\"which process may I kill\"*. Reading it to decide **whose** answer counts is the same violation with a quieter failure — no foreign process dies, a feature just silently never runs.\n  921│\n *922│- **Why the file lies even when nothing is stale.** `daemon.rs` writes the breadcrumb **before** `serve_seed_control` binds the seed socket, and that bind is what arbitrates single-daemon-per-home. A second starter therefore reaches the write, overwrites the winner's pid, *then* loses the bind and exits. The file now names a dead pid while the real daemon serves. Measured on HFENDULEAM 2026-07-31: `daemon.pid` = 40332, dead since startup; the daemon actually serving = 23416, started one second earlier. B...\n *923│- **How it bit (releases#43).** The inbound-reachability verify was first gated on `daemon.pid == std::process::id()` — \"only the resident daemon verifies\". On the box it was written on, that predicate is false inside the real daemon, so the feature would have been disabled in production while every test passed. A gate that reads the fault as \"not me\" fails silent, which is why this belongs with the 7.61 family: nothing renders, and nothing renders when all is well either.\n *924│- **Invariant:** identity is re-derived, never asserted by a file. Validate a recorded pid against the **process table plus the image path** — the pid must still resolve to an image and that image must be the recorded one (a pid alone is recyclable). And where the question is *\"am I the daemon\"*, do not ask an oracle at all: put the call at a site that **is** the daemon by construction — after its own successful bind — so no file is consulted.\n *925│- **Corrected pattern:** `spt_store::inbound` (record carries binder pid + image path, reader re-derives validity) with its trigger in `spt_daemon::daemon::try_start_net`'s success arm rather than inside `NetHost::start`, which the CLI also calls.\n *926│- **Open audit surface, stated not fixed:** the other `daemon.pid` readers — `crates/spt/src/cli.rs` ~4908 and ~5043 — were not audited by that change. Each needs its own reading of what it uses the value FOR; a display of \"the daemon's pid\" is not the same claim as a decision gated on it. Tracked separately on the board (doyle), not silently absorbed here.\n  927│\n  928│---\n  929│\n     │...\n  970│\n *971│### 7.63 A dedupe key is never narrower than the identity of the record it replaces — a shared id with two owners must not collapse to one  `[REQ-HAZARD-MUTUAL-PREAUTH-SIBLING]`\n  972│\n  973│<!-- [doc->REQ-HAZARD-MUTUAL-PREAUTH-SIBLING] -->\n  974│- **Failure (DOORBELL, releases#83/#79 lane; the near-miss is the entry's point):** arming a mutual pre-authorization deliberately REPLACES rather than stacks, so that a re-knock cannot accumulate duplicate reverse grants. The dedupe is correct; its KEY is where the trap sits. One code id is legitimately held by **two** pre-authorizations with different owners — the minter's, armed at mint with an empty subject because no redeemer exists yet, and the redeemer's own, armed at redemption with the subject...\n *975│- **Invariant:** a replace-in-place keyed lookup states the FULL identity of the record it replaces — here `(kind, key_id, owner)`. Where a key is deliberately NARROWER than a record's identity, that narrowness is a decision the seam states in words, and a test pins that two records sharing the narrow key both survive. Silent replacement is a forbidden outcome; refusing, stacking, or replacing are all defensible, but only if the seam chose one.\n  976│- **The asymmetry is deliberate — do not \"fix\" it into agreement:** `consume_redeemed` filters on `(kind, key_id)` *without* the owner precisely because one redemption must make BOTH siblings due at once, each resolving its own subject. `armed_mutual`/`consume_mutual` also omit the owner, and are correct to: they serve the knock keyspace, where only the knocker's single record ever exists. Three seams, two key widths, one rule — the width matches what the seam is addressing, not what its neighbour us...\n  977│- **spt-core mapping:** `spt-store/src/knock.rs` `arm_mutual` (the owner-inclusive match, with the rule stated in its own doc comment) beside `consume_redeemed` (the owner-blind consumption that takes both siblings); unit `a_redemption_consumes_what_it_makes_due_and_nothing_else` — genuinely discriminating rather than merely adjacent, since dropping `owner` from the arming key makes its `due.len() == 2` assertion fail.\n *978│- **Source:** DOORBELL milestone (W2 `--mutual`/`--one-way` forced choice + W4 sealed-code redemption; doyle-ruled at the golden-head hand-off 2026-08-01 as a hazard CLASS — the trap is any dedupe whose key is narrower than its record's identity, and this milestone is simply where it was paid for). Kin 7.61 (the intuitive spelling being the one the fault satisfies).\n  979│\n  980│---\n  981│\n     │...\n  991│- **spt-core mapping:** `spt-store/src/empower.rs` `carry_session`/`carry_between`/`neutralize_at` (the move, the two barriers, and the injectable removal seam the failure arm is only reachable through); `spt/src/api/reporting.rs` `cmd_boundary` (the ER-gated call, the old sid captured under the SAME lock as the rotation, and the loud lines — it never fails the boundary, because the harness has already rotated and a refusal would desync the record from the reality it describes); ADR-0052 §3c. Units: `...\n *992│- **Source:** LOCKSMITH tranche 1 (releases#117; doyle-ruled 2026-08-03 — carry-as-move, fail-closed, a NEW third named ADR edge rather than a stretch of the existing text, no widening of the hygiene sweep). Kin 7.51 (a recycled identity must not read as the original), 7.63 (a key narrower than the identity of what it addresses).\n  993│\n  994│---\n  995│\n *996│### 7.65 Identity is never resolved by directory enumeration order — an ambiguous ancestor is REFUSED by name, not broken by whichever perch `read_dir` yielded first  `[REQ-HAZARD-SELF-DETECT-TIE]`\n  997│\n  998│<!-- [doc->REQ-HAZARD-SELF-DETECT-TIE] -->\n *999│- **Failure (paid-for, releases#240 / CONDUIT #236 respin; MEASURED on both platforms 2026-08-29, not inferred):** self-detect leg (c) (`roster::detect_self_by_ancestry`) built its candidate list from `read_dir(owlery)` and took the FIRST candidate whose recorded pid was the nearest ancestor. Nearest-first correctly answered the ancestry dimension and left a second one open: when two or more DISTINCT top-level perches record the SAME live pid, they all match at that ancestor, and the winner was whatever ...\n*1000│- **THE GREEN WAS THE COIN LANDING HEADS.** The same cells passed on Windows in a gate run, a golden run, and a discarded head, and every one of those greens was enumeration order, not the code being right. No Windows pass of an identity-resolution cell is evidence about this seam. The order is arbitrary PER DIRECTORY — the same filesystem produced both orders in one session — so it is neither alphabetical nor creation-ordered and no platform is the safe one.","truncation":{"content":"[.worktrees/285-zombie/docs/KNOWN-HAZARDS.md#ABE6]\n 4:\n*5:**Architecture-translation note.** The sister project runs poll listeners and Psyche wrappers as *separate processes*. spt-core consolidates both into the one `spt-daemon` (brain), with a stable broker beneath it (ADR-0004). Many hazards below were inter-process races in the sister project; in spt-core some become intra-daemon concerns (potentially easier) while others move to the daemon↔broker IPC boundary or the network boundary (potentially new failure surface). Each entry notes the mapping where it...\n 6:\n 7:---\n 8:\n...\n 19:- **Invariant:** consult liveness via the supervisor (`is_wrapper_alive`-equivalent) before any grace gate; reads of state files must tolerate concurrent writes (atomic write + rename, or read-retry).\n*20:- **spt-core mapping:** the daemon owns both writer and reader → use in-process locking/snapshotting instead of racing on disk. Cross-node registry reads remain eventually-consistent and must tolerate staleness.\n 21:- **Sister cite:** `src/common/list_filter.rs:100-150`; `src/owl/poll.rs:141`.\n 22:\n 23:### 1.3 Stale `index.lock` wedge from prior git crash\n...\n 42:\n*43:## 2. Identity & session-binding\n 44:\n*45:### 2.1 Parent PID over ephemeral poll PID\n*46:- **Failure:** orphan check polls an ephemeral listener PID; it dies and is recycled (esp. Windows); a foreign process with the recycled PID reads as alive → false-positive teardown (or false-negative).\n*47:- **Invariant:** prefer the stable harness-session PID (`parent_pid`) over any ephemeral process PID for liveness; minimal `info.json` for supervisor-owned perches to avoid stale leaks.\n*48:- **spt-core mapping:** session binding (parent-process-tree anchor) still applies for harness-hosted topology. For spt-hosted sessions the broker holds the child directly → liveness is the broker's held-handle state, more reliable than PID polling.\n 49:- **Sister cite:** `src/live/wrapper/orphan.rs:141-161`; CHANGELOG v1.11.20.\n 50:\n 51:### 2.2 Stdin session_id precedence over env\n...\n 53:- **Invariant:** stdin-provided session_id wins; env is fallback only.\n*54:- **spt-core mapping:** the harness-contract subcommand surface must define the same precedence for whatever identity fields hooks pass in.\n 55:- **Sister cite:** CHANGELOG v1.35.1 \"IN-05\"; `hook_subagent_start.rs:40-51`.\n 56:\n 57:### 2.3 Binary-handoff argv schema must stay backward-compatible\n...\n 63:### 2.4 Generation `gen_start` always = now() on cold-start AND handoff\n*64:- **Failure:** stale gen_start from a rehydrated state file fires time-based discriminators on the new process.\n 65:- **Invariant:** wall-clock `gen_start` is set to `now()` on both cold-start and handoff; generation counter increments on every start/revive; session UUID captured fresh and carried so the resumed mind distinguishes \"same gen continuing\" vs \"new gen born\".\n 66:- **spt-core mapping:** carries to the daemon's per-instance generation tracking.\n 67:- **Restoration D3/D4 (ADR-0018):** the generation *counter* custody moved to the broker (D3-2 — it observes every brain spawn, planned or crash, and hands `{generation, start-reason}` at spawn; `gen_start` stays `now()`-fresh, never rehydrated). The brain→brain **`BrainState` *message*** (`{session_id, generation, next_seq, gen_start_ms}`) that previously carried continuity across a handoff is **retired from the production path in D4-2**: a brain the supervisor respawns cold-starts and reconstructs ...\n...\n 69:\n*70:### 2.5 Daemon-hosted endpoints have no dedicated liveness PID\n*71:- **Failure:** the sister evaluates Psyche/perch liveness via a dedicated process PID — the wrapper's own pid in `info.json`, checked with `is_process_alive`. Under ADR-0004 the Psyche (and any spt-hosted Self) is a **loop inside the daemon**, not a separate process: it holds no dedicated pid, and its `claude`/summarizer subprocess is ephemeral (spawned per pulse/commune, then exits). If a daemon-hosted perch's `info.json` carries the **daemon's** pid, then *every* hosted endpoint shares one pid, and `...\n*72:- **Invariant:** for **daemon-hosted** perches (Psyche; spt-hosted Self), liveness is the **daemon's authoritative in-memory endpoint table + a `status` field** on `info.json` (`online|offline|…`), **never** `is_process_alive(info.pid)`. `info.pid` for a daemon-hosted perch is at most a *hosted-by-daemon* marker (the daemon pid), not a liveness signal; registry stale-clean for these rows keys on the daemon's endpoint table, not per-row pid. This reuses the pattern already specified for **Shells** (`inf...\n*73:- **spt-core mapping:** the **M1/M2a interim** model keeps the Psyche/listener a real per-process owner (the `api listen` process), so its per-pid liveness (`deliver::is_online` → `info.read_pid` → `proc::is_process_alive`; `registry::clean_stale_entries`) is correct *interim*. **M3 daemon consolidation replaces it** with daemon-authoritative liveness for hosted perches. Keep the liveness check behind one resolver (mirrors `resolve_address` stale-clean) so the M3 swap is localized — do **not** let ...\n*74:- **Sister cite:** `src/live/wrapper/orphan.rs` (wrapper-pid liveness); `src/common/list_filter.rs:168-175` (pid-classify); spt-core `crates/spt-store/src/{proc.rs,registry.rs}` + `crates/spt-msg/src/deliver.rs::is_online`.\n 75:\n 76:### 2.6 A shell instance's `online` is a recorded field with no death edge\n*77:- **Failure:** a shell perch's `status` has exactly two writers — the bind handshake (→`online`) and `close_shell` (→`offline`) — and `close_shell` runs on the **link-break** path alone. A binary that dies **abruptly** (force-kill, crash, OOM) breaks no link, so nothing ever writes the flip: the record says `online` forever while the pid it names is gone. Every consumer of the recorded field then inherits the lie — `shell list` reports online indefinitely; `relink` (the one command that recover...\n*78:- **Invariant:** ONLINE-ness is **derived**, never the recorded field alone: `status == online` **AND** the recorded `shell.pid` is not *provably* dead. Provably dead is narrow — pid parked, non-zero, `!is_process_alive`; pid absent, unparseable, or `0` (a broker-hosted spawn whose backend exposed no pid) reads **alive**, the same fail-toward-alive parity 2.5 holds, so a backend the resolver cannot see is never declared dead. **The recycled-pid caveat is narrowed since BAROMETER W2 and is now condition...\n*79:- **No spontaneous relaunch of a SAME-BOOT death (operator-ratified, flynn 2026-07-25; re-based BAROMETER W2):** the reconciler does NOT adopt an instance whose binary died during this boot. Every reason an operator stops a shell is a reason not to want it back a tick later: mid-deploy (a shared install dir makes \"kill the process\" routine on Windows, since a running exe cannot be overwritten) an auto-relaunch would run the **old** binary out of the file being replaced — worse than a failed install —...\n 80:- **What holds that open is no longer the stale record (BAROMETER W2):** until W2 the guarantee rested on an accident: a force-killed instance was held out of the eligible set because its record still said `online`, and the eligibility read took that field raw. 2.7 heals that record to the truth, which removes the accidental protection — so the guard had to move to a rule that *states* it. Eligibility is now recorded-`offline` **AND** (no corpse, **or** the corpse's recorded launch **predates the boot ...\n*81:- **spt-core mapping:** `spt_store::shellinfo::{shell_pid_provably_dead, effective_status, is_shell_online}` (the resolver — the shell-side twin of 2.5's `liveness.rs`, which gave *agent* perches exactly this and which shells never got); consumers in `linkhost::{relink_shell, prepare_drive, run_action}`, `shelldisc::discover`, `activity::observe_links`; the class-(c) eligibility read is `spt_daemon::shellwake::watcher_eligible` (+ `launch_predates_boot`, `BOOT_RESTORE_SLACK_MS`), and the birth stamp it...\n 82:- **Source:** spt-core, flynn's spt-alchemy field report (2026-07-25) — a deterministic recipe, not a race. Class-(c) re-based BAROMETER W2 (releases#78, doyle's ruling on comment 5156810267).\n 83:\n 84:### 2.7 A node restart permanently strands every `persistent` shell — and the existing cascade test cannot see that it does  `[REQ-HAZARD-RESTART-STRANDS-PERSISTENT-SHELLS]`\n...\n 87:- **The existing cascade test cannot fail on it — its SETUP SUPPRESSES THE FAILING ARM.** `rest_edges_cascade_shells_with_divergence` establishes its fixture by driving the suspend path, which itself writes the `offline` the code under test is supposed to encounter — so the restart shape (a record still saying `online` over a corpse, reached with **no** suspend edge) is unreachable from that fixture BY CONSTRUCTION. The test is not weak; it gives a true answer to the wrong question, so a reader askin...\n*88:- **Invariant:** a node restart must not strand a `persistent` instance. Two legs, and each is worthless alone. **(a) The record stops lying:** the daemon-side reconciler heals a recorded `online` that 2.6's derivation contradicts, writing `offline` — every cycle, **guarded on an actual change** (a heal that rewrote each tick would be a stream of identical writes and would destroy the record's mtime as a signal). **(b) The restart shape reaches a restoration path:** a once-per-daemon-generation boot sw...\n 89:- **Regression shape (the row the suppressed fixture cannot express):** construct the restart shape **without a suspend edge** — an instance whose record says `online` over a corpse that predates boot, with an online owner — and assert it is restored. A fixture that suspends first re-creates the suppressed arm and proves nothing about this class.\n*90:- **spt-core mapping:** `spt_daemon::shellwake::{heal_stale_online_records, restore_persistent_shells_at_boot, restore_persistent_shells_on_owner_online, OwnerOnlineEdge, launch_predates_boot, BOOT_RESTORE_SLACK_MS}`; `spt_store::proc::boot_instant_ms`; `spt_store::shellinfo::{ShellLaunch, record_shell_launch, read_shell_launch}` (the birth stamp, parked at the two production pid-write sites the launch-site census identified).\n*91:- **Source:** spt-core, BAROMETER W2 (releases#78) — field specimen `liam/alchemy-0`, a genuinely stranded record: `online` over a dead pid, no launch stamp, days old.\n 92:<!-- [doc->REQ-HAZARD-RESTART-STRANDS-PERSISTENT-SHELLS] -->\n 93:\n 94:---\n...\n 100:- **Invariant:** every code path that creates an ephemeral perch cleans it before exit; exception: if the caller already had an active perch, do not treat as ephemeral and do not clean up.\n*101:- **spt-core mapping:** `ring` semantics carry; the daemon owns ephemeral-perch lifecycle, so a single guaranteed-cleanup (drop guard / RAII) is achievable in-process.\n 102:- **Sister cite:** `src/owl/ring.rs:58-294`.\n 103:\n 104:### 3.2 Stale signoff sentinel must not kill a fresh start\n...\n 112:- **Invariant:** on orphan path, synchronously run the echo-commune (final delta) before composing INIT_SIGNOFF; skip only if the session_id is missing.\n*113:- **spt-core mapping:** the daemon runs psyche/pulse loops in-process; ordering invariant identical.\n 114:- **Sister cite:** `src/live/wrapper/orphan.rs:175-199`; tests A-H:333-565.\n 115:\n 116:### 3.4 A `ring` never adopts — so never deletes — a perch it did not create\n...\n 129:<!-- [doc->REQ-PERCH-GC-RESIDUE-PREDICATE] -->\n*130:- **Failure:** the obvious way to write a perch garbage collector is \"reap what is not alive\" — `!spt_store::liveness::is_perch_alive(dir)`. On the population a GC actually walks, that predicate is **backwards**. `is_perch_alive` returns **true** for a directory with no `info.json` (`RawRead::Absent ⇒ true`, interim parity — an absent record means a wrapper-owned listener between polls), and **false** for a daemon-hosted endpoint whose `status` is `offline`. Measured on HFENDULEAM 2026-08-04 across...\n 131:- **Why it is a hazard and not a bug in the resolver:** `is_perch_alive` is correct for its own job. Fail-toward-alive is the safe direction for DELIVERY (2.5) — the cost of a false \"alive\" is one message taking the spool path. It is the wrong direction for DELETION, where a false \"not alive\" is irreversible. The inversion is what happens when a predicate is reused across a polarity boundary it was never sized for.\n*132:- **Invariant:** perch garbage collection classifies on record **presence** only (3.5's predicate: no `info.json` present on any read attempt ⇒ residue; NotFound kept distinct from every other I/O error, because absent is the only answer that authorizes deletion) and **never calls a liveness resolver** — not `is_perch_alive`, not `is_registry_entry_alive`, not a pid probe. The registry is likewise never asked: `clean_stale_entries` deletes dead-pid rows and `unregister_address` fires on an ordinary s...\n 133:- **spt-core mapping:** `spt_store::perchgc::{sweep, PerchClass}`; `spt endpoint gc` renders it. The refusal/report contract is `REQ-PERCH-GC-REFUSAL-REPORT`; the occupancy rules it inherits are 3.4.\n 134:- **Source:** measured by todlando on HFENDULEAM 2026-08-04 while answering doyle's step-1 predicate question on releases#109; ruled into the lane by doyle the same day.\n 135:\n...\n 153:### 4.3 Registry stale-entry cleanup precedes lookup\n*154:- **Failure:** sender resolves a dead process's stale TCP port → delivery to wrong/dead listener.\n*155:- **Invariant:** clean stale entries (dead PID) before/at lookup; spool fallback is the safe path on TCP miss.\n 156:- **spt-core mapping:** now spans the **subnet registry** (ADR-0003) — eventually-consistent across nodes. Cross-node staleness is expected; resolution policy (local → most-recent → `id@node`) must degrade to spool/relay fallback on stale hits, and never hard-fail on a stale remote entry.\n 157:- **Sister cite:** `src/common/registry.rs:62-78`; `src/owl/send.rs`.\n 158:\n...\n 195:<!-- [doc->REQ-HAZARD-REGISTRY-GHOST-ROWS] -->\n*196:- **Failure:** the registry's only superseding mechanism is the per-`(endpoint_id, node)` epoch lease (4.8) — a row is replaced only by a newer row *from the same node*. When a node identity dies permanently (machine retired, or `node.key` regenerated so the \"node\" never speaks again), its rows are never superseded and never expire: they sit in the in-memory registries and the `identity/registry/<subnet>.json` snapshots forever. A bare-id send then resolves the same endpoint id on both the live and the...\n 197:- **Invariant:** registry rows authored by a **silent** peer node decay: a node not *heard* (admitted inbound feed — the M7 D2 heard-map, REQ-SUBNET-1) within the eviction window (`registry_evict_after_ms`, default 300s ≈ 10 default pump cadences) has its rows **evicted** from every subnet registry, snapshots rewritten. Own rows never decay (the node always hears itself implicitly — it authors them each pump tick). Eviction is safe under the lease: v1 has **no transitive gossip**, so any future upd...\n 198:- **spt-core mapping:** `spt_net::net::registry::SubnetRegistry::evict_nodes` (model) + `spt_daemon::registryhost::RegistryHost::evict_silent_peers` (heard-map TTL) driven from the registry pump tick (`peerloop`). Trust rows are NOT auto-evicted (trust is a user decision; a stale trust row only costs dead dials) — pruning those is a separate verb.\n 199:- **Source:** M7 acceptance run 2026-06-06 (DEFERRED.md \"Ghost registry row eviction\"); the AMBIGUOUS render fix rode along.\n...\n 204:- **Failure:** a node whose advertisement-epoch counter resets (the durable `EpochSource` file lost/recreated) re-advertises with LOW epochs; peers hold a higher last-seen epoch for that `(endpoint, node)` lease and drop every fresh row as **stale** — the node advertises into a void until its counter outruns its own history. Nothing renders the cause: the node looks healthy locally, peers simply never update.\n*205:- **Invariant (mitigation by construction, common case):** the common trigger — a full reinstall / identity regeneration — is covered by the **re-pair trust overwrite** (M8 decision 13, REQ-SUBNET-7): a completed ceremony presenting the same label + machine id evicts the superseded identity's trust AND registry rows on the seed-holder, and the peer-side epoch memory **dies with the deleted row** — the re-paired node's fresh epochs land on a clean lease. M8 acceptance 7 verifies this explicitly (the...\n*206:- **Residual (documented, guard deferred):** the narrow slice — epoch file lost while the node *identity* is kept (manual state surgery, partial restore from backup) — has no guard; it waits for a field hit before one is designed (M8 decision 24). `REQ-HAZARD-EPOCH-RESET` is minted inactive (TRACEABILITY rule 5) as the tracking hook. If hit: symptoms are one node's endpoints frozen-stale on every peer while its own views are fresh; recovery today is re-pairing the node (rides the common-case eviction...\n*207:- **spt-core mapping:** epoch mint = `spt_store::epoch::EpochSource` (`identity/epoch.json`); the lease = the per-`(endpoint, node)` epoch compare in `spt_net::net::registry`; the eviction that clears peer-side epoch memory = `registryhost::repair_evict_superseded` + `RegistryHost::consume_repair_evictions`.\n 208:- **Source:** minted at M8 ratification (decision 24), recognized as a class during the 2026-06-07 pump diagnosis / re-pair overwrite design — not yet field-hit in its residual form.\n 209:\n 210:---\n...\n 213:\n*214:### 5.1 Windows PID recycling false positives\n*215:- **Failure:** recycled PID reads alive for the wrong process → orphan misclassification.\n*216:- **Invariant:** anchor liveness on the stable parent/harness PID; minimal info.json for supervisor-owned perches; mtime grace window (≥60s) masks transient mismatches.\n*217:- **spt-core mapping:** broker-held handles supersede PID polling for spt-hosted sessions; keep the grace window for harness-hosted.\n 218:- **Sister cite:** `src/live/wrapper/orphan.rs:141-161`; `src/common/list_filter.rs:168-175`.\n 219:\n 220:### 5.2 Windows EBUSY on atomic rename\n...\n 225:\n*226:### 5.3 Git/subprocess timeout stamping\n*227:- **Failure:** a hung subprocess (git on slow net) blocks the supervisor indefinitely.\n*228:- **Invariant:** every metadata-producing subprocess has a timeout; timeout yields `None` + rate-limited stderr, never a hang.\n 229:- **spt-core mapping:** generalize to all manifest-declared harness invocations (delegated commands, adapter updates) — timeouts mandatory.\n 230:- **Sister cite:** `src/common/git.rs`.\n 231:\n...\n 245:### 5.6 Windows detached children inherit a captured caller's pipe  `[REQ-HAZARD-DETACHED-PIPE-INHERIT]`\n*246:- **Failure:** a caller captures an `spt` invocation's output through a pipe (`Command::output()`, a harness hook reading the command). That `spt` process detach-spawns a **long-lived** child (the daemon via `ensure_running`; a shell binary via `spt shell spawn`). On Windows `CreateProcess` runs with `bInheritHandles = TRUE`, and the spt process's std handles — the caller's pipe write-ends — are inheritable by construction, so the immortal child inherits them even when its *own* stdio is `Stdio::null...\n 247:- **Invariant:** every detach-spawn of a long-lived child inherits only handles it **enumerates**. The default and overwhelmingly common form of that is `bInheritHandles = FALSE` (`spt-daemon::daemon::detached_no_inherit`) — zero handles flow, whatever the pipe's depth in the ancestry. Stripping `HANDLE_FLAG_INHERIT` from the spawner's *std* handles is NOT sufficient: a grandparent capture's pipe sits in the handle table as a stray inheritable handle and still flows through every **bare** `bInheritHand...\n 248:- **The one permitted TRUE (amended 2026-07-26, RESIDENT-SERVICE W1):** a spawn that must capture the child's output may pass `bInheritHandles = TRUE` **only** paired with an explicit `STARTUPINFOEX` + `PROC_THREAD_ATTRIBUTE_HANDLE_LIST` allowlist — the Win32 contract honors the list only under TRUE, so the earlier phrasing (\"flipping TRUE is refused\") forbade its own mechanism and was unimplementable. The hazard was always *unenumerated* inheritance, and the list **is** the enumeration: only the named...\n 249:- **spt-core mapping:** `spt-daemon::daemon::spawn_detached` (the daemon) and `spt-daemon::shellhost::launch_shell` (the relay-receipt shell binary). Any future long-lived detached spawn (manifest-template children included) must use the same no-inherit spawn, or the enumerated form above where it genuinely must capture output.\n...\n 253:<!-- [doc->REQ-HAZARD-ELEVATED-DAEMON-SPAWN] -->\n*254:- **Failure:** membership-implies-reachability made *every* `spt` invocation a potential daemon spawner (`ensure_running`), including the elevation-gated ones (`subnet create`/`join`, REQ-SUBNET-4). The spawned daemon inherits the spawner's token. **Windows:** an elevated `subnet create` auto-starts an ELEVATED daemon whose named pipes deny unelevated clients — every subsequent unelevated `spt` reads \"not running\", tries to spawn its own daemon, and dies on bind Access-denied; the user had to taskkill ...\n*255:- **Invariant:** the daemon **always runs unelevated in the invoking user's universe**, regardless of which command spawns it. Two enforcement points sharing one seam: (a) `spawn_detached` de-elevates the child — Windows: the UAC **linked token** (`TokenLinkedToken` → `DuplicateTokenEx` → `CreateProcessWithTokenW`; inherits no handles, so 5.6 holds by construction); Linux: drop to `SUDO_UID`/`SUDO_GID` with `$HOME`/`$USER`/`$LOGNAME` reset to the invoking user's (passwd lookup); (b) a `Daemon::run`...\n 256:- **spt-core mapping:** `spt-daemon::deelevate` (the OS-split seam) consumed by `daemon::spawn_detached` + the `Daemon::run` entry guard. The fuller Linux elevation model (install symlink + default-account election) is deferred (DEFERRED.md, M8).\n 257:- **Source:** M7 acceptance run 2026-06-06 (DEFERRED.md \"Non-admin daemon spawn\"); interim field rule was \"bring the daemon up unelevated FIRST\".\n 258:\n...\n 261:- **Failure:** the daemon runs DETACHED (no console, 5.6/`detached_no_inherit`). Any console-subsystem child it spawns (`git`, `taskkill`, manifest hook commands) gets a **fresh conhost with a visible window** — piped/null stdio does NOT prevent it. Field shape: the 60s sync pump's two git calls (`for-each-ref` + `rev-parse`) flashed two blank windows per minute on the user's desktop (2026-06-06).\n*262:- **Invariant:** every short-lived console child spawned from daemon-reachable code sets `creation_flags(0x0800_0000)` (`CREATE_NO_WINDOW`). Long-lived detached children use `detached_no_inherit` (already `DETACHED_PROCESS | CREATE_NO_WINDOW`); de-elevated spawns use `CREATE_NEW_CONSOLE + SW_HIDE` (5.7 — `CreateProcessWithTokenW` rejects `CREATE_NO_WINDOW`, error 87).\n*263:- **Test seam caveat:** window-absence is unobservable from a consoled test runner — the child inherits the runner's console and never creates a window, flag or no flag. Unit coverage asserts the flagged spawn still works (the error-87 \"flag combo breaks spawn\" regression class); window-absence was verified live by process-watch capture.\n*264:- **spt-core mapping:** `spt-store::gitrun::run_git` (every BranchStore/ContextStore git call), `spt-daemon::shellhost::kill_shell_pid` (taskkill), `spt-runtime::run_bounded_command` (manifest hook commands), `spt-runtime::ManifestRuntime::command_for` (the one shared builder behind `spawn_session` + `run_bounded_stdin` — the notif pump's `spawn_notif_command` and the live agent's psyche/echo/turn spawns), `spt-daemon::shellwake` (already guarded). The flag lives in each shared builder, not per call si...\n*265:- **Source:** spt-core field bug, 2026-06-06 — two blank windows flashing every 60 seconds on a desktop workstation, caught by process-spawn watcher (git.exe parent=spt daemon, conhost.exe child each).\n 266:\n 267:### 5.9 `Instant - Duration` underflow-panics on a freshly-booted host  `[REQ-HAZARD-INSTANT-UNDERFLOW]`\n*268:- **Failure:** `Instant::now() - Duration::from_secs(N)` panics `overflow when subtracting duration from instant` when the process's monotonic clock is younger than `N` — i.e. the host booted less than `N` ago. The peer pump primed its cadence legs with `Instant::now() - 86_400s` to mean \"everything due now\"; on a Windows runner with sub-24h uptime the pump thread panicked at startup, so the subnet never converged (CI `pump_and_dispatch_self_drive_the_subnet` failed, run 27082417706). It is *environmen...\n 269:- **Invariant:** NEVER compute an instant in the past by subtracting from `Instant::now()`. Represent \"never run / due now\" as `Option<Instant> = None` and gate on forward `now.duration_since(past)` only (`peerloop::due`). No backward instant arithmetic anywhere in scheduling.\n 270:- **Test seam caveat:** the convergence E2E only reproduces on a sub-offset-uptime host (it passed everywhere with >24h uptime). The deterministic guard is the `due(None, ..)`/`due(Some(now), ..)` unit on the extracted gate — it asserts first-tick-due with zero instant subtraction, independent of host uptime.\n 271:- **spt-core mapping:** `spt-daemon::peerloop::due` (the sole cadence gate behind `due_reg`/`due_notif`/`due_sync`/`due_upd`); cadence legs are `Option<Instant>` seeded `None`.\n...\n 283:- **Failure class:** a privilege-gated command (`subnet create` / `join` / `show-code`) self-elevates by re-launching itself with privilege (Windows UAC `runas`, Linux `pkexec` / a terminal-emulator `sudo`, or inline `sudo`). A careless re-launch is a security hole: widening the privilege scope (adding args), resolving the binary by a bare name (a PATH/`secure_path` hijack runs an attacker's `spt`), interpolating a crafted arg into a shell string (`sh -c \"… $id …\"` injects a second command), or re-el...\n*284:- **Invariant:** self-elevation re-runs the **EXACT** original invocation with the binary's **ABSOLUTE** exe path — never adding/altering args, never a PATH-resolved bare name, never a shell-interpolated string. Every launcher passes an **argv array** (`Command::new(prog).args([...])`, never `sh -c`); the Windows `ShellExecuteW` params string (which is inherently one string) MSVC-quotes each verbatim arg so `CommandLineToArgvW` round-trips it as a single token. The elevated child drops state back to th...\n 285:- **Test seam caveat:** the real launch needs a UAC/polkit/sudo prompt (not hermetic) — manual-verify. The deterministic guards are the pure `decide_elevation_path` matrix (loop-safety: `AlreadyElevated` on every os; the os×env path order) and the argv builders (`sudo_argv` / `pkexec_argv` / `terminal_argv` assert absolute-exe + verbatim args + array; `windows_runas_params` asserts MSVC-quoting with no `cmd /c` interpolation; the crafted-arg test asserts a shell-metachar arg stays one element / one qu...\n 286:- **spt-core mapping:** `spt::elevation::{decide_elevation_path, sudo_argv, pkexec_argv, terminal_argv, windows_runas_params, print_hint_command, ElevatePath}` (pure), `spt::cli::{try_auto_elevate, launch_uac_window, pause_elevated_console_if_fresh, program_on_path, first_terminal_emulator}` (impure launchers) wired into `cmd_subnet_create` / `cmd_subnet_join` / `cmd_subnet_show_code`. Companions: 5.10 (the Unix abs-path-under-sudo facet) and 5.7 (the elevated child's de-elevation drop, which this compos...\n 287:- **Source:** M12-W4 design (subnet QR + self-elevating window), doyle ruling `M12-W4-RULING.md` Q6 — a privilege-escalation feature carries a mandatory hazard REQ.\n...\n 290:### 5.12 Native-PTY spawn of a bare program runs the wrong (non-PE) file on Windows  `[REQ-HAZARD-WIN-PTY-PROGRAM-RESOLVE]`\n*291:- **Failure:** `portable-pty`'s ConPTY spawn resolves a bare program name with a `which` that takes the FIRST `PATH` match. A node/npm CLI installs as BOTH an extensionless shebang shim (`ccs`, for Git Bash) and a Windows launcher (`ccs.cmd`) in the same dir; portable-pty picks the extensionless `ccs`, and `CreateProcessW` then tries to execute that non-PE file and fails with **os error 193** (\"%1 is not a valid Win32 application\"). Live failure: `spt endpoint run claude-spt:ccs` → `CreateProcessW C:\\n...\n 292:- **Invariant:** spt-term resolves the program ITSELF before handing it to `CommandBuilder`, bypassing portable-pty's `which`. A bare name is searched over `PATH` × `PATHEXT` (whose default order already prefers `.EXE`/`.COM` over `.BAT`/`.CMD`), then an extensionless fallback. A non-PE target is wrapped in its interpreter: `.cmd`/`.bat` → `cmd.exe /d /c <path>`, `.ps1` → `powershell -NoProfile -File <path>` (the wrap args precede the caller's args); a real executable spawns directly; an unresolvabl...\n 293:- **spt-core mapping:** `spt_term::winprog::{resolve_for_pty, resolve_in}` (the pure PATHEXT-precedence kernel + the Windows env wiring), wired into `spt_term::pty::PtySession::spawn_program_in`. Unit: `resolve_in` precedence (`.cmd`-over-shim, `.exe`-direct, explicit-extension, path-order, passthrough) [`winprog.rs`].\n 294:- **Source:** field diagnosis 2026-06-16 (operator dogfood, `claude-spt:ccs` bringup) — doyle.\n...\n 297:### 5.13 Atomic write leaves data un-synced before the rename → NUL zero-fill on power loss  `[REQ-HAZARD-PERCH-RECORD-POWER-LOSS]`\n*298:- **Failure:** `atomic_write_bytes` was `fs::write(tmp)` + `rename(tmp, path)` with no `fsync`. The rename's directory **metadata** is journaled durable, but the tmp file's **data blocks** are still in the page cache. A hard reset (power loss, forced reboot) between the two flushes lands the rename but loses the data → the file reappears at its **full length filled with NUL**. Field incident: after a machine restart `owlery/hall-a/info.json` was 360 bytes of all-NUL (the nested psyche record 125 bytes ...\n*299:- **Invariant:** for records whose loss is **unrecoverable**, flush data to stable storage **before** the rename publishes the name — `File::create(tmp)` → `write_all` → `sync_all()` → `rename_with_retry`. Then a crash yields the complete old file OR the complete new file, never a NUL husk. (A file of correct length that is ALL-NUL is the diagnostic tell of this class — a non-fsync'd write caught by a hard reset.) **Durability is SCOPED, not blanket.** `fsync`ing *every* atomic write serializes...\n 300:- **spt-core mapping:** `spt_store::atomic::atomic_write_bytes_durable` / `atomic_write_string_durable` are the opt-in durable siblings; the default `atomic_write_bytes` / `atomic_write_string` stay non-durable. Durable callers are exactly `spt_store::info::write_info` (the perch record — the hall-a surface), `spt_store::nodeid` (the node seed — corrupt is node-bricking, never regenerated), and `spt_daemon::machineid` (minted-once machine id — a NUL husk would silently re-mint a different id). Read...\n 301:- **Source:** field diagnosis 2026-07-01 (operator, post-v0.19.0 restart) — counter-39 bug #2; blanket-fsync perf regression pinned + scoped by the gate rig (doyle), same date.\n 302:\n...\n 306:- **Invariant:** CORRUPT ≠ ABSENT. A record that EXISTS but stays unparseable across the retry budget is a **destroyed** record — never a live endpoint. `is_perch_alive` reads corrupt ⇒ **not alive** (ABSENT keeps interim-alive parity — the ONE case that stays true); `advertised_status` then lands corrupt in the cold arm ⇒ **Suspended**, never Active/Dormant. Readers that decide liveness/status must branch on the tri-state (present / absent / corrupt), not an `Option` that fuses the last two.\n*307:- **spt-core mapping:** `spt_store::liveness::{read_raw_state, is_perch_alive}` (the tri-state kernel) and `spt_daemon::registryhost::advertised_status` (cascades to Suspended off the alive fix). `list_self_perch_ids` deliberately still lists a corrupt dir by existence — that is the *visibility* the local-roster fix (counter-39 #3) relies on, not a liveness claim. Candidate sibling seam `is_registry_entry_alive` (corrupt hosted row falls to a daemon-pid probe) is parked — it does not produce the ONLI...\n 308:- **Source:** field diagnosis 2026-07-01 (operator, post-v0.19.0 restart) — counter-39 bug #2; sequel to the v0.17.0 W4 presence-truth fix (cold ⇒ Suspended) which a corrupt perch bypassed via false-alive.\n 309:\n 310:<!-- [doc->REQ-HAZARD-ATOMIC-TMP-COLLISION] -->\n 311:### 5.15 Fixed atomic-write tmp name → concurrent writers collide (loser renames a consumed file)  `[REQ-HAZARD-ATOMIC-TMP-COLLISION]`\n*312:- **Failure:** `atomic_write_bytes` staged every write under a **fixed** sibling `{name}.tmp`. Two processes writing the SAME target concurrently — traced at bind ~700µs apart: the daemon's `mutate_info` RMW and `spt api bind`'s `establish_perch` — both create the same `info.json.tmp`; whichever renames first CONSUMES it, and the loser's `fs::rename` hits `NotFound` (os error 2). `NotFound` is non-transient in `rename_with_retry`, so it surfaces as a hard write error: `establish_perch` returns `Bind...\n*313:- **Invariant:** concurrent atomic writers to the same target must never share a tmp name. Stage a **unique** tmp per write — `{name}.tmp.{pid}-{seq}`, `seq` from a process-local static `AtomicU64` (no clock, no rand → resume/replay-safe) — on BOTH the durable and non-durable paths (the collision is generic to `atomic_write`, not the fsync). Keep `rename_with_retry` + best-effort tmp cleanup on rename error. The new names still lack a `.json` extension, so exact-name / `*.json` loaders stay blind t...\n 314:- **spt-core mapping:** `spt_store::atomic::write_then_rename` (the shared core behind `atomic_write_bytes`/`_string` and the `_durable` siblings). Regression guard: a ≥4-thread `Barrier`-aligned hammer on one target (`concurrent_writers_never_collide_on_tmp`) — reds on the fixed-tmp code, greens on unique-tmp; a hammer that can't red is decorative. Cross-ref 5.13: the fsync widened the window, the fixed tmp name was the defect.\n 315:- **Source:** RCA 2026-07-01 (doyle gate rig) — write-trace side-channel + `cmd_bind` step probes pinned `PROBE cmd_bind establish ERR: Io(os error 2)`; explains the counter-39 gate-1 blanket failure, the dummy_harness ONLINE-race DIAGs, and the nondeterminism. Lesson: a widened timing window doesn't create a race, it reveals one.\n 316:\n...\n 320:- **Invariant:** every `info.json` writer serializes under the one per-perch `.info.lock`. A whole-record write (`write_info`) takes the lock exactly as the RMW (`mutate_info`) does — a unique tmp only makes concurrent writes *last-writer-wins*, which is safe ONLY if the writers are serialized (cross-ref 5.15). A multi-step read→check→write (bind's establish) must hold ONE lock acquisition across all three (a true compare-and-set) — check-then-write with the lock dropped in between still interlea...\n*321:- **spt-core mapping:** `spt_store::info` — `write_info` now acquires the sentinel then calls a private `write_info_unlocked` (and `mutate_info` — the public RMW primitive — calls the unlocked writer while holding its own lock, so no double-lock deadlock); `info::establish_locked(perch, build)` runs the bind's read→check→build→write as one locked CAS, called by `spt::api::startup::establish_perch`. The other read-modify-write callers were audited and the two that mutate a load-bearing field w...\n 322:- **Source:** RCA 2026-07-01 (doyle gate rig) — differential (baseline PASS / 77beeac+baseline-atomic PASS / fe385f5 2/3 FAIL) isolated the atomic rework as the delta; `reconcile_hosted_liveness` emitting ZERO `LIVENESS_RECONCILE_OFFLINE` lines for the dead victim over 20s pinned the silent-skip. The unique-tmp fix worked (bringup + serve fine) but exposed this deeper pairing.\n 323:\n 324:### 5.17 `powershell` never executes under our detached spawn — a silent no-op that costs every spawn-rig builder the same three runs\n*325:- **Failure:** a test rig that spawns `powershell -Command …` through `daemon::detached_no_inherit*` (`DETACHED_PROCESS`, no console, no inherited handles) gets a process that **starts and exits having run nothing** — not even a bare `Set-Content`. No error, no output, exit status unremarkable: the rig reads as \"my code did not do the thing\" when in fact the *fixture* never ran. Measured 2026-07-26 while building the `[service]` supervision gates: three consecutive runs burned on a fixture that could...\n*326:- **Invariant (rig discipline, not product code):** spawn-based fixtures use `cmd` on Windows and `sh` on unix — never `powershell`. And find a spawned process's descendants **by parentage** via `spt_store::proc::process_table()` (which returns `(pid, ppid)`), never by asking the child to report them: a grandchild that must cooperate to be found is a rig that cannot observe an *uncooperative* one, which is the case the gate exists for.\n 327:- **spt-core mapping:** every spawn rig under `crates/spt-daemon` — `servicehost.rs` (`long_running`/`instant_exit`/`noisy_instant_exit` fixtures, the tree-teardown gate) and any future rig over `daemon::detached_no_inherit_env`. No `REQ-HAZARD-*` id and no regression test **deliberately**: the invariant constrains how tests are written, and the only assertion available would be \"the OS still refuses to run powershell this way\" — an instrument test, which is never requirement evidence. It is numbered...\n 328:- **Source:** RESIDENT-SERVICE W1 leg D (todlando, 2026-07-26); ruled into this document by doyle the same day.\n*329:- **Amendment 2026-08-02 (hertz, releases#110 measurement):** the cause is `DETACHED_PROCESS` **alone** — not the no-inherit half, as the entry's parenthetical implied. Measured on HFENDULEAM with raw `creationflags` and fully piped stdio: `powershell -Command \"Set-Content …\"` under `DETACHED_PROCESS` exits **rc=0 having written no file** (it does not execute); under `CREATE_NO_WINDOW` the identical spawn writes the file and returns its stdout. `cmd /c` behaves DIFFERENTLY from powershell and the ent...\n 330:\n 331:<!-- [doc->REQ-HAZARD-TREE-CWD-PIN] -->\n 332:### 5.18 A surviving test descendant cwd-pins the tree it ran in — the `.worktrees` skeleton that will not delete  `[REQ-HAZARD-TREE-CWD-PIN]`\n*333:- **Failure:** a directory that is some live process's **current directory** cannot be renamed or deleted on Windows, while files *inside* it stay writable. That asymmetry is why the symptom never reads as a file lock: `git worktree remove` fails naming the **directory**, `openfiles` shows nothing, and the tree looks idle. cargo runs each test binary with cwd = the **package root**, so every child a test spawns inherits `<worktree>/crates/<pkg>` as its own cwd — and any child (or **grandchild**) that o...\n*334:- **Mechanism — the common case is a surviving descendant, and it is not the `CREATE_NO_WINDOW` conhost.** releases#110 filed the holder as an *orphaned `conhost.exe` holding the crate root*; measurement on HFENDULEAM 2026-08-02 **refutes** that for the population the rigs mint. `CREATE_NO_WINDOW` does produce exactly **one conhost per console child** (counted by `ParentProcessId`), but that conhost's cwd is **not** inherited: it is launched with a system cwd. Census: **43 readable, all of them `C:\\WIN...\n 335:- **Amendment 2026-08-02 — the exception, field-refuted before it shipped: a `--headless` ConPTY conhost DOES inherit its creator's cwd, and pins it alone.** The entry previously generalized the census above into \"a conhost's cwd is never inherited\". That is true of the `CREATE_NO_WINDOW` population and false of the ConPTY one, which no rig mints but every terminal-hosting path does.\n*336:  - **Field specimen (BAROMETER W4 teardown):** `pid 46556 conhost.exe --headless --width 80 --height 24 --signal 0x214 --server 0x20c`, born during the build, parent dead, PEB cwd `…\\.worktrees\\barometer-w4\\crates\\spt\\` — the **sole** holder. Killing it deleted the tree that had refused to delete.\n*337:  - **Reproduced deliberately, both launch paths.** Minted through `CreatePseudoConsole` from a process whose cwd was a scratch dir: the new `--headless` conhost's PEB reads **that dir**, and with it alive — write-inside **OK**, delete **BLOCKED**, then **DELETED** after `ClosePseudoConsole`, nothing else changed. Launched as `conhost.exe --headless` directly with a working directory: same inheritance. The first covers the path the wild specimen took; the second shows the binary takes its launcher's cw...\n 338:  - **The pty-teardown alternative is excluded causally, not by absence.** \"Zero children\" clears nothing here — a ConPTY client is a child of whoever called `CreatePseudoConsole`, never of the conhost — so killing the conhost could in principle have taken a living client with it. Kill-**order** rig, client deliberately `cd`'d elsewhere so it cannot be the holder: both alive → **BLOCKED**; kill the **client** only → still **BLOCKED**; kill the **conhost** → **deleted**.\n 339:  - **A census of live `--headless` conhosts cannot settle this in either direction.** All 8 alive that day read `C:\\WINDOWS\\system32\\` — and their single creator's cwd *is* `C:\\WINDOWS\\system32\\`, so the value inheritance predicts equals the value OS-assignment predicts, on rows uniform in the asserted property. It reads as confirmation of the old claim and carries no information; the deliberate launch is what discriminates.\n*340:  - **Elevation is not the discriminator, and neither reader needs it.** Both readers open with `PROCESS_QUERY_INFORMATION | PROCESS_VM_READ` only and, **unelevated**, read ~46–49 of the ~50 conhosts alive. A first pass that reported *no* conhost readable was a parsing fault in the caller, not an access denial — worth stating because \"not readable\" and \"read as `C:\\WINDOWS\\`\" are the same blank row to a careless reader.\n 341:  - **Scoped conclusion:** a `CREATE_NO_WINDOW` conhost is never the pin and killing it is never the cure; a `--headless` ConPTY conhost **can be the sole pin**, and there killing it **is** the cure. Neither sentence licenses the other.\n*342:- **Triage step — the finder answers WHO pins, never whether it is SAFE TO KILL.** These are different questions and the blocked-delete error is **identical** for both, which is exactly what makes the step worth writing down. Read the holder's identity *before* acting: an **orphaned descendant** (parent dead, no window, no client) → kill it; a **LIVE process — above all an agent's own shell** → `cd` out, never kill. **When the holder is a `conhost.exe`, its COMMAND LINE is the discriminator** —...\n*343:- **spt-core mapping:** `.github/ci/find-cwd-holders.ps1` — read-only (`PROCESS_QUERY_INFORMATION | PROCESS_VM_READ`, `NtQueryInformationProcess` → PEB → `RTL_USER_PROCESS_PARAMETERS.CurrentDirectory`), no process opened for write or killed; `-Match <substring>` filters by cwd. It reports its **denominator** (readable vs not-openable) because \"0 rows\" from a filter and \"0 rows\" because nothing could be opened are the same output and very different facts — an empty result means \"no pin I could see...\n*344:- **Do NOT \"fix\" this with the spawn flag.** Flipping the rigs' `CommandNoWindowExt::no_window()` (`crates/spt/tests/common/mod.rs`) from `CREATE_NO_WINDOW` to `DETACHED_PROCESS` removes the conhost (measured: 1 → 0) but does **not** remove the pin (that conhost is never the holder — the `--headless` ConPTY exception above is a host no rig mints through this helper), and it breaks rigs outright per the 5.17 amendment: `job_escape_e2e::conhost_children_of` shells out to **powershell** through that ver...\n 345:- **Source:** hertz, releases#110 — filed diagnosis post-v0.51.0 (2026-08-01); mechanism re-measured and the conhost attribution **refuted** 2026-08-02 (per-parent conhost counts, box-wide conhost cwd census, orphan-grandchild positive control). doyle's live correction the same day supplied the live-shell half of the triage step. **The `--headless` exception is field evidence from todlando** (BAROMETER W4 teardown specimen, the direct-launch inheritance test, and the kill-order rig that excluded pty te...\n 346:\n 347:<!-- [doc->REQ-TEST-ENV-ONE-LOCK] -->\n*348:### 5.19 Two mutexes over one process-global env var guard nothing between them  `[REQ-TEST-ENV-ONE-LOCK]`\n*349:- **Failure:** two test-helper crates each declare their own `static ENV_LOCK` over the SAME process-global variable (`SPT_HOME`). Each serializes its own callers **flawlessly** — which is exactly what makes the arrangement read as correct — and neither serializes helper A against helper B. Whichever writes last wins. Because `spt_store::perch::spt_home()` is **not memoized** (it re-reads the env on every call), a test writes its fixture into home A and reads it back from home B: the store is absent,...\n 350:- **Invariant (rig discipline, like 5.17):** one variable, one lock, **per binary**. A crate may keep its own ergonomic wrapper (`with_home`, `isolated_home`, a `TestHome` guard) but must **never** keep its own mutex over a variable another helper in the same binary also writes. `spt_test_support::env_lock()` is THE lease; crate-local helpers return that guard. It is **not reentrant** — a `TestHome` holds it for its whole lifetime, so one is never constructed inside a body already holding the lease.\n*351:- **Why it hides, and where it does not:** invisible under **nextest** (per-test processes) and invisible when a loser is run **alone** (no concurrent holder), so CI's nextest unit lane is structurally blind to it — the cost falls entirely on whoever hand-runs the module during a gate. This is the same \"invisible-by-construction\" property as 5.17, and the reason it is numbered here rather than left to the requirement.\n*352:- **The diagnostic that shortcuts it:** the tell is a **path shape the suspected helper could not have produced**. #111's panic printed `<tmp>\\home\\identity\\trust\\access.json` — a `home` SUBDIR, which `with_home` never makes (it points `SPT_HOME` at the tempdir *root*). That single mismatch named the real aggressor (`spt_test_support::TestHome`) faster than reading either helper. Corollary for the filed-mechanism trap: `with_home` holds its mutex across its **entire body**, so \"a sibling `with_home` te...\n 353:- **spt-core mapping:** `spt_test_support::env_lock` (the one lease) consumed by `spt_daemon::test_home::{env_lock, with_home}` and `spt::testutil::isolated_home`. Guard: `test_home::tests::with_home_and_testhome_serialize_on_the_same_lease` — a `with_home` body holds the lease while a second thread attempts a `TestHome`, asserting the thread cannot enter and `SPT_HOME` cannot move, **then** that it does proceed once released (so a shared lock is proven to be a lock, not a deadlock). Reds on the two-lo...\n*354:- **Source:** releases#111 (filed by doyle from hertz's gate observation, 2026-08-02); filed mechanism refuted and the real root measured the same day — hertz. Cousin class, same date: two builds writing one binary path with nothing guarding between them, which is why the gate recipe now identity-checks the exe hash (doyle, W2 gate).\n 355:\n 356:<!-- [doc->REQ-POOL-FOREIGN-TREE-REFUSED] -->\n 357:### 5.20 Two source trees sharing one cargo target directory fabricate reds that belong to neither  `[REQ-POOL-FOREIGN-TREE-REFUSED]`\n...\n 359:- **Why it hides:** the sharing is invisible at the point of use. A junction shows as an ordinary `target/` and nothing in cargo's output names the real directory; `CARGO_TARGET_DIR` is quieter still — it does not even leave a directory entry to notice afterwards. Both reach the same hazard, which is why the rule is about the **relationship** (this tree writing into a target owned by another) and never about a path: the incident that motivated the filing pointed `CARGO_TARGET_DIR` at the *primary check...\n*360:- **The harm is INTERLEAVING, not simultaneity.** Cargo holds an exclusive `.cargo-lock` for a build's duration, so two builds are never literally concurrent — the second blocks. What bit was one lane's artifacts being invalidated by another **between that lane's own steps**. A lease keyed on a `cargo` process therefore guards nothing: it is stale seconds after every claim, so every crossing reads as a takeover and the refusal can never fire. That shape was designed, measured, and refused.\n*361:- **Invariant:** a pool belongs to one source tree. `crates/spt-store/build.rs` enforces it and refuses with `SPT_POOL_FOREIGN`, naming the pool, the owning tree, the lane, the holder pid and the way out. Sequential sharing is correct and cheap — a provably-gone lane is a **loud takeover**, never a refusal, because refusing it would demand a pool per lane (30+ worktrees at a measured 7-15 GB each). Staleness is proven from the **process table plus the birth stamp**; UNKNOWN is not stale and proceeds wi...\n*362:<!-- [doc->REQ-POOL-LANE-IDENTITY] -->\n*363:- **A DEAD HOLDER IS NOT A FINISHED LANE `[REQ-POOL-LANE-IDENTITY]`.** The first shape of this guard answered \"has that lane finished?\" from the holder process alone. Measured on this box afterwards: **3 of 3 live pool claims had a dead holder, and one of those three lanes was live.** A holder is an agent session or a rig shell — cleared, re-forked, re-parented as a matter of routine — so its death says nothing about the lane, and reading it as \"finished\" hands the pool to a second tree **mid-lane**,...\n 364:- **The guard's own hazard:** the build script must emit **no** `rerun-if` directive. It is re-run because cargo's fingerprint for its unit carries `CARGO_MANIFEST_DIR`, i.e. on exactly the tree ALTERNATION the guard exists to catch. Measured on byte-identical trees, sequence `A B A A B`: no directives → 4 firings; one `rerun-if-changed` → **1**, and the foreign tree never fired it again. `crates/spt-store/tests/pool_guard_canary.rs` reads the shipped build script and reds if a directive appears — ...\n 365:- **Source:** BAROMETER W1/H1 window (doyle + todlando, 2026-08-02); design measured and built by hertz, releases#103.\n 366:\n...\n 397:- **Invariant:** every context write carries a source+timestamp precedence marker; LLM writes within a protection window after a recent direct write are suppressed (logged); direct writes always proceed.\n*398:- **spt-core mapping:** cross-node Psyche sync (ADR-0003) makes this multi-writer across machines — the precedence marker must include node identity **plus a per-node version vector** (entries from each node's monotonic `EpochSource`; wall-clock never orders). Distributed rule (ADR-0013, M4-D6): dominate→accept, dominated→drop, **concurrent→surface as durable replicated conflict artifacts + Psyche-reconcile on the active instance's node — never silent newest-wins, never lose either version**. T...\n 399:- **Sister cite:** CHANGELOG v1.11.6; `src/owl/echo_commune.rs`.\n 400:\n 401:### 6.6 Surfaced context conflicts preserve both versions until dominated\n...\n 406:","truncated":true,"truncatedBy":"bytes","totalLines":595,"totalBytes":144609,"outputLines":231,"outputBytes":51095,"lastLinePartial":false,"firstLineExceedsLimit":false},"linesTruncated":true,"meta":{"limits":{"columnTruncated":{"maxColumn":512}},"truncation":{"direction":"head","truncatedBy":"bytes","totalLines":595,"totalBytes":144609,"outputLines":231,"outputBytes":51095,"shownRange":{"start":1,"end":231},"nextOffset":232}}},"isError":false,"timestamp":1788998088098}}
{"type":"message","id":"2b6b8126","parentId":"4b7203c9","timestamp":"2026-09-09T23:54:48.104Z","message":{"role":"toolResult","toolCallId":"call_qn7KgyuTpuQzmNGDNtRISvr1|fc_0ea187522e3f208f016aa1f1c7f61087d28bd7646772a199bd","toolName":"grep","content":[{"type":"text","text":"# .worktrees/285-zombie/crates/\n\n## spt-daemon/src/\n### broker.rs#0038\n 347:/// The pure single-flight wake decision (W4, REQ-SPAWN-COLLISION-GUARD-LIVE-DUP), over\n*348:/// the three observable inputs read together under the broker lock. `AlreadyLive` wins\n 349:/// outright — the endpoint already has a live session, so a duplicate wake dedups to it\n 350:/// (no spawn). Else a claim whose holder is still MAKING PROGRESS is `Racing` (stand\n 351:/// down + retry, waiting for the racer's session to register), for as long as that\n...\n 365:/// cannot be stranded permanently unspawnable. A taken-over holder that later completes\n*366:/// lands in the `AlreadyLive` dup surface exactly as before — the same tradeoff the\n 367:/// original arm made, now reached on evidence of a stall instead of on elapsed time.\n 368:#[derive(Debug, PartialEq, Eq)]\n 369:enum WakeGate {\n*370:    AlreadyLive,\n 371:    Racing,\n 372:    Claim,\n 373:}\n...\n 377:    if live {\n*378:        WakeGate::AlreadyLive\n 379:    } else if claimed && !holder_stalled {\n 380:        WakeGate::Racing\n 381:    } else {\n...\n 413:// [impl->REQ-ENDPOINT-CYCLE-HONEST]\n*414:fn zombie_verdict(\n 415:    wrapper_alive: Option<bool>,\n 416:    adapter_labeled: bool,\n 417:    has_live_descendants: bool,\n...\n 426:\n*427:/// The impure probe feeding [`zombie_verdict`] for a claimed live session —\n 428:/// runs OFF every broker lock (a process-table walk is real work; KH 7.12).\n 429:/// `spawned_ms_ago` comes from the session's `spawned_at`; callers on the\n 430:/// KIND_SESSIONS reply use the additive `SessionInfo` fields, so the CLI\n...\n 450:    // that handle, for exactly the sessions it is asked about. A reaped root\n*451:    // therefore read `Some(true)` here and fell off `zombie_verdict`'s PRIMARY\n 452:    // \"dead root, surviving record\" arm onto the conditional one, so a dead\n 453:    // root that is NOT adapter-labeled was claimed LIVE indefinitely.\n 454:    // NO-SNAPSHOT FALLS BACK, and the fallback is EXACT rather than a\n...\n 462:    // `None` therefore survives only for an UNKNOWN PID, which is the case\n*463:    // `zombie_verdict` already answers with \"never guess\".\n 464:    let wrapper_alive = pid.map(|p| {\n 465:        resolve_wrapper_alive(spt_store::proc::process_exists(p), || {\n 466:            spt_store::proc::is_process_alive(p)\n...\n 474:    let past_grace = Duration::from_millis(spawned_ms_ago) >= spawn_client_grace();\n*475:    zombie_verdict(wrapper_alive, adapter_labeled, has_live_descendants, past_grace)\n 476:}\n 477:\n 478:/// The RC-origin input-fence verdict (ADR-0044 decision 3,\n...\n 5312:    /// **Deliberately NOT a placeholder row in [`Self::sessions`].** A pid-less\n*5313:    /// stand-in there would read as AlreadyLive to the wake gate, would face\n 5314:    /// `session_is_zombie(None, ..)` with nothing to reason from, and would have\n 5315:    /// to be tolerated by every `process_id()` reader and unwound on every\n 5316:    /// failure path. Kept outside that table, none of those readers changes at\n...\n 7995:        // gap; NO I/O under the lock (process_id reads a cached pid; the ZOMBIE probe\n*7996:        // runs OFF the lock in the AlreadyLive arm). An empty endpoint is an\n 7997:        // ad-hoc/legacy spawn (no id to dedup on) → never gated. `_wake_claim` holds\n 7998:        // the claim to fn end, releasing (RAII) after the session is table-visible\n 7999:        // or on any early error.\n...\n 8006:                    Claimed(WakeClaimGuard<'a>),\n*8007:                    AlreadyLive {\n 8008:                        sid: u64,\n 8009:                        spid: Option<u32>,\n 8010:                        adapter_labeled: bool,\n...\n 8035:                    match wake_gate_decision(live.is_some(), held.is_some(), holder_stalled) {\n*8036:                        WakeGate::AlreadyLive => {\n 8037:                            let (sid, spid, adapter_labeled, spawned_ms_ago) =\n*8038:                                live.expect(\"live is Some on AlreadyLive\");\n*8039:                            Gate::AlreadyLive { sid, spid, adapter_labeled, spawned_ms_ago }\n 8040:                        }\n 8041:                        WakeGate::Racing => Gate::Racing,\n 8042:                        WakeGate::Claim => {\n...\n 8083:                    }\n*8084:                    Gate::AlreadyLive { sid, spid, adapter_labeled, spawned_ms_ago } => {\n 8085:                        // ONE liveness authority (ADR-0041 decision 6,\n 8086:                        // REQ-ENDPOINT-CYCLE-HONEST): before refusing/deduping by\n 8087:                        // citing the claimed session, PROBE its client tree — off\n...\n 8101:                            if let Some(pid) = spid {\n*8102:                                spt_store::proc::kill_pid_tree(pid);\n 8103:                            }\n 8104:                            // Bounded wait for the exit-waiter to reap the table row;\n 8105:                            // belt: a wedged/missed waiter (root already dead) gets a\n...\n 8301:        // the wedged/missed exit-wait behind hertz's zombie rows, and the state\n*8302:        // `zombie_verdict`'s PRIMARY arm (\"dead root, surviving record\") exists\n 8303:        // to classify. A healthy waiter removes the row within milliseconds, so\n 8304:        // that arm is otherwise unreachable from any rig — which is how it went\n 8305:        // this long fed by an unsound oracle with nothing able to catch it.\n...\n 9695:    ///    GRANDCHILD, so a single-pid kill provably misses it. Reuses\n*9696:    ///    [`spt_store::proc::kill_pid_tree`] (leaves-first over ONE snapshot)\n 9697:    ///    — the tree-walk `daemon stop` already reaps with\n 9698:    ///    (REQ-HAZARD-DAEMON-STOP-REAP), now at endpoint scope.\n 9699:    /// 3. **Idempotent.** No matching session is `Ok(())`, not an error: a\n...\n 9735:        if let Some(pid) = pid {\n*9736:            spt_store::proc::kill_pid_tree(pid);\n 9737:        }\n 9738:        // The PTY child itself, via the split killer — belt-and-braces when the\n\n## spt-store/src/\n### proc.rs#0F4B\n 429:// [impl->REQ-PSYCHE-CRASHLOOP-BACKOFF-SHUTDOWN]\n*430:pub fn kill_pid_tree(root: u32) {\n 431:    if root == 0 {\n 432:        return;\n 433:    }\n...\n 457:pub fn exe_basename(pid: u32) -> Option<String> {\n*458:    exe_path(pid).and_then(|p| p.file_name().map(|s| s.to_string_lossy().into_owned()))\n 459:}\n 460:\n 461:/// The FULL image path of process `pid` — the same OS query [`exe_basename`]\n...\n 471:// [impl->REQ-RESIDENT-SERVICE]\n*472:pub fn exe_path(pid: u32) -> Option<std::path::PathBuf> {\n 473:    if pid == 0 {\n 474:        return None; // never a probe-able process (see is_process_alive)\n 475:    }\n...\n 719:             caller holding its handle. This is what made a reaped root fall off \\\n*720:             zombie_verdict's PRIMARY dead-root arm and be claimed LIVE forever.\"\n 721:        );\n 722:        assert_eq!(\n 723:            process_exists(pid),\n...\n 917:\n*918:    // [unit->REQ-PSYCHE-CRASHLOOP-BACKOFF-SHUTDOWN] kill_pid_tree tears the WHOLE\n 919:    // subtree, not just the root — the discriminating property vs a plain kill_pid.\n 920:    // The C3(c) bug class is exactly the SURVIVING descendant (the wrapper dies, its\n 921:    // harness child lives): so spawn a parent WITH a child, capture the descendant\n*922:    // pid, kill_pid_tree the parent, and assert the DESCENDANT is dead. RED-FIRST:\n*923:    // swap kill_pid_tree→kill_pid and the child survives (Windows: no job reaps it;\n 924:    // Linux: the orphaned `sleep` re-parents to init and runs its full 60s) → this\n 925:    // goes red on the live descendant. Scoped to our own spawned tree — never a\n 926:    // machine-wide sweep. (Skipped where there is no /proc snapshot to walk.)\n...\n 928:    #[test]\n*929:    fn kill_pid_tree_kills_the_whole_subtree() {\n 930:        let mut parent = spawn_two_level_tree();\n 931:        let ppid = parent.id();\n 932:        // Wait for the child to appear under the parent, then capture its pid.\n...\n 943:        if descendants.is_empty() {\n*944:            kill_pid_tree(ppid);\n 945:            let _ = parent.wait();\n 946:            return;\n 947:        }\n...\n 950:\n*951:        kill_pid_tree(ppid);\n 952:        let _ = parent.wait();\n 953:        drop(parent); // release the Windows handle so the root's death is observable\n 954:\n...\n 970:            leaf_dead,\n*971:            \"kill_pid_tree must kill the DESCENDANT, not only the root (kill_pid would leave it)\"\n 972:        );\n 973:        // pid-0 root is a no-op, never a self-signal.\n*974:        kill_pid_tree(0);\n 975:    }\n 976:}\n\nSkipped missing paths: .worktrees/285-zombie/crates/spt/src/servicehost.rs, .worktrees/285-zombie/crates/spt/src/livehost.rs"}],"details":{"scopePath":".worktrees/285-zombie/crates/spt-daemon/src/broker.rs, .worktrees/285-zombie/crates/spt-store/src/proc.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":32,"fileCount":2,"files":[".worktrees/285-zombie/crates/spt-daemon/src/broker.rs",".worktrees/285-zombie/crates/spt-store/src/proc.rs"],"fileMatches":[{"path":".worktrees/285-zombie/crates/spt-daemon/src/broker.rs","count":20},{"path":".worktrees/285-zombie/crates/spt-store/src/proc.rs","count":12}],"truncated":true,"perFileLimitReached":20,"displayContent":"# .worktrees/285-zombie/crates/\n\n## spt-daemon/src/\n### broker.rs#0038\n  347│/// The pure single-flight wake decision (W4, REQ-SPAWN-COLLISION-GUARD-LIVE-DUP), over\n *348│/// the three observable inputs read together under the broker lock. `AlreadyLive` wins\n  349│/// outright — the endpoint already has a live session, so a duplicate wake dedups to it\n  350│/// (no spawn). Else a claim whose holder is still MAKING PROGRESS is `Racing` (stand\n  351│/// down + retry, waiting for the racer's session to register), for as long as that\n     │...\n  365│/// cannot be stranded permanently unspawnable. A taken-over holder that later completes\n *366│/// lands in the `AlreadyLive` dup surface exactly as before — the same tradeoff the\n  367│/// original arm made, now reached on evidence of a stall instead of on elapsed time.\n  368│#[derive(Debug, PartialEq, Eq)]\n  369│enum WakeGate {\n *370│    AlreadyLive,\n  371│    Racing,\n  372│    Claim,\n  373│}\n     │...\n  377│    if live {\n *378│        WakeGate::AlreadyLive\n  379│    } else if claimed && !holder_stalled {\n  380│        WakeGate::Racing\n  381│    } else {\n     │...\n  413│// [impl->REQ-ENDPOINT-CYCLE-HONEST]\n *414│fn zombie_verdict(\n  415│    wrapper_alive: Option<bool>,\n  416│    adapter_labeled: bool,\n  417│    has_live_descendants: bool,\n     │...\n  426│\n *427│/// The impure probe feeding [`zombie_verdict`] for a claimed live session —\n  428│/// runs OFF every broker lock (a process-table walk is real work; KH 7.12).\n  429│/// `spawned_ms_ago` comes from the session's `spawned_at`; callers on the\n  430│/// KIND_SESSIONS reply use the additive `SessionInfo` fields, so the CLI\n     │...\n  450│    // that handle, for exactly the sessions it is asked about. A reaped root\n *451│    // therefore read `Some(true)` here and fell off `zombie_verdict`'s PRIMARY\n  452│    // \"dead root, surviving record\" arm onto the conditional one, so a dead\n  453│    // root that is NOT adapter-labeled was claimed LIVE indefinitely.\n  454│    // NO-SNAPSHOT FALLS BACK, and the fallback is EXACT rather than a\n     │...\n  462│    // `None` therefore survives only for an UNKNOWN PID, which is the case\n *463│    // `zombie_verdict` already answers with \"never guess\".\n  464│    let wrapper_alive = pid.map(|p| {\n  465│        resolve_wrapper_alive(spt_store::proc::process_exists(p), || {\n  466│            spt_store::proc::is_process_alive(p)\n     │...\n  474│    let past_grace = Duration::from_millis(spawned_ms_ago) >= spawn_client_grace();\n *475│    zombie_verdict(wrapper_alive, adapter_labeled, has_live_descendants, past_grace)\n  476│}\n  477│\n  478│/// The RC-origin input-fence verdict (ADR-0044 decision 3,\n     │...\n 5312│    /// **Deliberately NOT a placeholder row in [`Self::sessions`].** A pid-less\n*5313│    /// stand-in there would read as AlreadyLive to the wake gate, would face\n 5314│    /// `session_is_zombie(None, ..)` with nothing to reason from, and would have\n 5315│    /// to be tolerated by every `process_id()` reader and unwound on every\n 5316│    /// failure path. Kept outside that table, none of those readers changes at\n     │...\n 7995│        // gap; NO I/O under the lock (process_id reads a cached pid; the ZOMBIE probe\n*7996│        // runs OFF the lock in the AlreadyLive arm). An empty endpoint is an\n 7997│        // ad-hoc/legacy spawn (no id to dedup on) → never gated. `_wake_claim` holds\n 7998│        // the claim to fn end, releasing (RAII) after the session is table-visible\n 7999│        // or on any early error.\n     │...\n 8006│                    Claimed(WakeClaimGuard<'a>),\n*8007│                    AlreadyLive {\n 8008│                        sid: u64,\n 8009│                        spid: Option<u32>,\n 8010│                        adapter_labeled: bool,\n     │...\n 8035│                    match wake_gate_decision(live.is_some(), held.is_some(), holder_stalled) {\n*8036│                        WakeGate::AlreadyLive => {\n 8037│                            let (sid, spid, adapter_labeled, spawned_ms_ago) =\n*8038│                                live.expect(\"live is Some on AlreadyLive\");\n*8039│                            Gate::AlreadyLive { sid, spid, adapter_labeled, spawned_ms_ago }\n 8040│                        }\n 8041│                        WakeGate::Racing => Gate::Racing,\n 8042│                        WakeGate::Claim => {\n     │...\n 8083│                    }\n*8084│                    Gate::AlreadyLive { sid, spid, adapter_labeled, spawned_ms_ago } => {\n 8085│                        // ONE liveness authority (ADR-0041 decision 6,\n 8086│                        // REQ-ENDPOINT-CYCLE-HONEST): before refusing/deduping by\n 8087│                        // citing the claimed session, PROBE its client tree — off\n     │...\n 8101│                            if let Some(pid) = spid {\n*8102│                                spt_store::proc::kill_pid_tree(pid);\n 8103│                            }\n 8104│                            // Bounded wait for the exit-waiter to reap the table row;\n 8105│                            // belt: a wedged/missed waiter (root already dead) gets a\n     │...\n 8301│        // the wedged/missed exit-wait behind hertz's zombie rows, and the state\n*8302│        // `zombie_verdict`'s PRIMARY arm (\"dead root, surviving record\") exists\n 8303│        // to classify. A healthy waiter removes the row within milliseconds, so\n 8304│        // that arm is otherwise unreachable from any rig — which is how it went\n 8305│        // this long fed by an unsound oracle with nothing able to catch it.\n     │...\n 9695│    ///    GRANDCHILD, so a single-pid kill provably misses it. Reuses\n*9696│    ///    [`spt_store::proc::kill_pid_tree`] (leaves-first over ONE snapshot)\n 9697│    ///    — the tree-walk `daemon stop` already reaps with\n 9698│    ///    (REQ-HAZARD-DAEMON-STOP-REAP), now at endpoint scope.\n 9699│    /// 3. **Idempotent.** No matching session is `Ok(())`, not an error: a\n     │...\n 9735│        if let Some(pid) = pid {\n*9736│            spt_store::proc::kill_pid_tree(pid);\n 9737│        }\n 9738│        // The PTY child itself, via the split killer — belt-and-braces when the\n\n## spt-store/src/\n### proc.rs#0F4B\n 429│// [impl->REQ-PSYCHE-CRASHLOOP-BACKOFF-SHUTDOWN]\n*430│pub fn kill_pid_tree(root: u32) {\n 431│    if root == 0 {\n 432│        return;\n 433│    }\n    │...\n 457│pub fn exe_basename(pid: u32) -> Option<String> {\n*458│    exe_path(pid).and_then(|p| p.file_name().map(|s| s.to_string_lossy().into_owned()))\n 459│}\n 460│\n 461│/// The FULL image path of process `pid` — the same OS query [`exe_basename`]\n    │...\n 471│// [impl->REQ-RESIDENT-SERVICE]\n*472│pub fn exe_path(pid: u32) -> Option<std::path::PathBuf> {\n 473│    if pid == 0 {\n 474│        return None; // never a probe-able process (see is_process_alive)\n 475│    }\n    │...\n 719│             caller holding its handle. This is what made a reaped root fall off \\\n*720│             zombie_verdict's PRIMARY dead-root arm and be claimed LIVE forever.\"\n 721│        );\n 722│        assert_eq!(\n 723│            process_exists(pid),\n    │...\n 917│\n*918│    // [unit->REQ-PSYCHE-CRASHLOOP-BACKOFF-SHUTDOWN] kill_pid_tree tears the WHOLE\n 919│    // subtree, not just the root — the discriminating property vs a plain kill_pid.\n 920│    // The C3(c) bug class is exactly the SURVIVING descendant (the wrapper dies, its\n 921│    // harness child lives): so spawn a parent WITH a child, capture the descendant\n*922│    // pid, kill_pid_tree the parent, and assert the DESCENDANT is dead. RED-FIRST:\n*923│    // swap kill_pid_tree→kill_pid and the child survives (Windows: no job reaps it;\n 924│    // Linux: the orphaned `sleep` re-parents to init and runs its full 60s) → this\n 925│    // goes red on the live descendant. Scoped to our own spawned tree — never a\n 926│    // machine-wide sweep. (Skipped where there is no /proc snapshot to walk.)\n    │...\n 928│    #[test]\n*929│    fn kill_pid_tree_kills_the_whole_subtree() {\n 930│        let mut parent = spawn_two_level_tree();\n 931│        let ppid = parent.id();\n 932│        // Wait for the child to appear under the parent, then capture its pid.\n    │...\n 943│        if descendants.is_empty() {\n*944│            kill_pid_tree(ppid);\n 945│            let _ = parent.wait();\n 946│            return;\n 947│        }\n    │...\n 950│\n*951│        kill_pid_tree(ppid);\n 952│        let _ = parent.wait();\n 953│        drop(parent); // release the Windows handle so the root's death is observable\n 954│\n    │...\n 970│            leaf_dead,\n*971│            \"kill_pid_tree must kill the DESCENDANT, not only the root (kill_pid would leave it)\"\n 972│        );\n 973│        // pid-0 root is a no-op, never a self-signal.\n*974│        kill_pid_tree(0);\n 975│    }\n 976│}","missingPaths":[".worktrees/285-zombie/crates/spt/src/servicehost.rs",".worktrees/285-zombie/crates/spt/src/livehost.rs"]},"isError":false,"timestamp":1788998088104}}
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{"type":"message","id":"7ea8ab75","parentId":"2c7aa466","timestamp":"2026-09-09T23:55:01.634Z","message":{"role":"toolResult","toolCallId":"call_G7SzHEPHbIKrOgTwIxfwveLQ|fc_0ea187522e3f208f016aa1f1d572a887d2945e4943da13eee9","toolName":"read","content":[{"type":"text","text":"[.worktrees/285-zombie/crates/spt-daemon/src/broker.rs#0038]\n389:fn spawn_client_grace() -> Duration {\n…\n395:}\n396:\n397:/// The ONE cycle-verb liveness verdict (ADR-0041 decision 6,\n398:/// REQ-ENDPOINT-CYCLE-HONEST), pure over its observables so the table is a\n399:/// unit test. A claimed session is a ZOMBIE — refusing a run/create by citing\n400:/// it would be a lie — exactly when:\n401:///   - its PTY child (the client-tree root) probes DEAD while the table record\n402:///     survives (a wedged/missed exit-wait), OR\n403:///   - it is an ADAPTER-labeled session (its `[session.self]` launch command\n404:///     forks a harness client chain under the wrapper by construction), PAST\n405:///     the boot grace, whose wrapper has NO live descendants — the deployah\n406:///     wedge shape: the launcher shell idles on while the harness underneath\n407:///     it died, so `run` said ALREADY_LIVE, `list` said OFFLINE, and\n408:///     `shutdown` said NO_EDGE about the same corpse.\n409:///\n410:/// A DIRECT/ad-hoc spawn (empty adapter — tests, shells, legacy) is its own\n411:/// client: wrapper-alive means live, descendants never consulted. An unknown\n412:/// pid (`None`) is never guessed at — not a zombie.\n413:// [impl->REQ-ENDPOINT-CYCLE-HONEST]\n414:fn zombie_verdict(\n415:    wrapper_alive: Option<bool>,\n416:    adapter_labeled: bool,\n417:    has_live_descendants: bool,\n418:    past_grace: bool,\n419:) -> bool {\n420:    match wrapper_alive {\n421:        None => false,        // no probeable pid — never guess\n422:        Some(false) => true,  // dead root, surviving record — always a zombie\n423:        Some(true) => adapter_labeled && past_grace && !has_live_descendants,\n424:    }\n425:}\n426:\n427:/// The impure probe feeding [`zombie_verdict`] for a claimed live session —\n428:/// runs OFF every broker lock (a process-table walk is real work; KH 7.12).\n429:/// `spawned_ms_ago` comes from the session's `spawned_at`; callers on the\n430:/// KIND_SESSIONS reply use the additive `SessionInfo` fields, so the CLI\n431:/// preflight and the broker gate consult the SAME authority.\n432:/// PURE resolution of the two liveness probes for [`session_is_zombie`], so the\n433:/// NO-SNAPSHOT arm is unit-testable WITHOUT a platform that lacks a process\n434:/// table (the W1 `unconfirmed_verdict` injection shape).\n435:///\n436:/// The table WINS wherever it speaks — that is the Windows fix, since a\n437:/// retained handle lies about a corpse. Where it has nothing to say, the\n438:/// handle probe is sound: no-table implies unix implies no handle blind spot,\n439:/// so the two conditions cannot both fail and the fallback is EXACT.\n440:// [impl->REQ-LIVENESS-ORACLE-SOUND]\n441:fn resolve_wrapper_alive(table_says: Option<bool>, handle_says: impl FnOnce() -> bool) -> bool {\n442:    table_says.unwrap_or_else(handle_says)\n443:}\n444:\n445:// [impl->REQ-ENDPOINT-CYCLE-HONEST]\n446:pub fn session_is_zombie(pid: Option<u32>, adapter_labeled: bool, spawned_ms_ago: u64) -> bool {\n447:    // THE ORACLE, not a handle-probe (KNOWN-HAZARDS 7.50). `is_process_alive`\n448:    // asks `OpenProcess`, which keeps succeeding for a TERMINATED pid while a\n449:    // handle to it stays open — and this broker holds `Arc<PtySession>`, hence\n450:    // that handle, for exactly the sessions it is asked about. A reaped root\n451:    // therefore read `Some(true)` here and fell off `zombie_verdict`'s PRIMARY\n452:    // \"dead root, surviving record\" arm onto the conditional one, so a dead\n453:    // root that is NOT adapter-labeled was claimed LIVE indefinitely.\n454:    // NO-SNAPSHOT FALLS BACK, and the fallback is EXACT rather than a\n455:    // compromise: the handle blind spot is Windows-only (`kill(pid,0)` answers\n456:    // about the process, not about a handle the caller holds, and Linux demotes\n457:    // a /proc zombie), while Windows ALWAYS has a process table. So \"no table\"\n458:    // implies unix implies no handle problem — the two conditions cannot both\n459:    // fail. Routing to `None` here instead would have DISABLED zombie detection\n460:    // on non-Linux unix, trading a Windows-unsound oracle for an inoperative\n461:    // one: the same bad trade refused at livehost.rs's self-heal probe.\n462:    // `None` therefore survives only for an UNKNOWN PID, which is the case\n463:    // `zombie_verdict` already answers with \"never guess\".\n464:    let wrapper_alive = pid.map(|p| {\n465:        resolve_wrapper_alive(spt_store::proc::process_exists(p), || {\n466:            spt_store::proc::is_process_alive(p)\n467:        })\n468:    });\n469:    let has_live_descendants = pid.is_some_and(|p| {\n470:        spt_store::proc::process_descendants(p)\n471:            .iter()\n472:            .any(|d| spt_store::proc::is_process_alive(*d))\n473:    });\n474:    let past_grace = Duration::from_millis(spawned_ms_ago) >= spawn_client_grace();\n475:    zombie_verdict(wrapper_alive, adapter_labeled, has_live_descendants, past_grace)\n476:}\n477:\n…\n7990:        // OR a spawn in flight — closing the check-then-spawn TOCTOU that let one wake\n7991:        // spawn two identical launch trees (perri's flynn dup: duplicate perch writers\n7992:        // then stomped info.json, routing injects to a contended record). The claim +\n7993:        // the live-session check are read together under one atomic critical section so\n7994:        // a concurrent spawn either sees our claim or its registered session — never a\n7995:        // gap; NO I/O under the lock (process_id reads a cached pid; the ZOMBIE probe\n7996:        // runs OFF the lock in the AlreadyLive arm). An empty endpoint is an\n7997:        // ad-hoc/legacy spawn (no id to dedup on) → never gated. `_wake_claim` holds\n7998:        // the claim to fn end, releasing (RAII) after the session is table-visible\n7999:        // or on any early error.\n8000:        // [impl->REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\n8001:        let _wake_claim: Option<WakeClaimGuard> = if req.endpoint.is_empty() {\n8002:            None\n8003:        } else {\n8004:            loop {\n8005:                enum Gate<'a> {\n8006:                    Claimed(WakeClaimGuard<'a>),\n8007:                    AlreadyLive {\n8008:                        sid: u64,\n8009:                        spid: Option<u32>,\n8010:                        adapter_labeled: bool,\n8011:                        spawned_ms_ago: u64,\n8012:                    },\n8013:                    Racing,\n8014:                }\n8015:                let gate = {\n8016:                    let sessions = recover(&self.sessions);\n8017:                    let mut inflight = recover(&self.wake_inflight);\n8018:                    let live = sessions.iter().find(|(_, h)| h.endpoint == req.endpoint).map(\n8019:                        |(sid, h)| {\n8020:                            (\n8021:                                *sid,\n8022:                                h.session.process_id(),\n8023:                                !h.adapter.is_empty(),\n8024:                                h.spawned_at.elapsed().as_millis() as u64,\n8025:                            )\n8026:                        },\n8027:                    );\n8028:                    // The holder's own phase stamp, read under the SAME lock as the\n8029:                    // claim — an elapsed against a recorded Instant, no I/O, per this\n8030:                    // block's no-I/O-under-the-lock contract.\n8031:                    let held = inflight.get(&req.endpoint).cloned();\n8032:                    let holder_stalled = held\n8033:                        .as_ref()\n8034:                        .is_some_and(|c| c.phase_at.elapsed() >= phase_wedge_ceiling(&c.phase));\n8035:                    match wake_gate_decision(live.is_some(), held.is_some(), holder_stalled) {\n8036:                        WakeGate::AlreadyLive => {\n8037:                            let (sid, spid, adapter_labeled, spawned_ms_ago) =\n8038:                                live.expect(\"live is Some on AlreadyLive\");\n8039:                            Gate::AlreadyLive { sid, spid, adapter_labeled, spawned_ms_ago }\n8040:                        }\n8041:                        WakeGate::Racing => Gate::Racing,\n8042:                        WakeGate::Claim => {\n8043:                            // A takeover is the availability arm firing. LOUD and\n8044:                            // always, naming the phase and the elapsed that decided\n8045:                            // it — a silent takeover is indistinguishable from a\n8046:                            // free endpoint in every log we would read afterwards.\n8047:                            if let Some(prev) = &held {\n8048:                                WEDGE_TAKEOVER_COUNT.fetch_add(1, Ordering::Relaxed);\n8049:                                eprintln!(\n8050:                                    \"SPAWN_WEDGE_TAKEOVER:{}: claim gen {} wedged in phase {} for {}ms \\\n8051:                                     (ceiling {}ms) — taking over \\\n8052:                                     [REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\",\n8053:                                    req.endpoint,\n8054:                                    prev.generation,\n8055:                                    prev.phase,\n8056:                                    prev.phase_at.elapsed().as_millis(),\n8057:                                    phase_wedge_ceiling(&prev.phase).as_millis(),\n8058:                                );\n8059:                            }\n8060:                            let generation =\n8061:                                self.wake_generation.fetch_add(1, Ordering::Relaxed) + 1;\n8062:                            inflight.insert(\n8063:                                req.endpoint.clone(),\n8064:                                WakeClaim {\n8065:                                    generation,\n8066:                                    phase: \"gate_claimed\".to_string(),\n8067:                                    phase_at: Instant::now(),\n8068:                                },\n8069:                            );\n8070:                            claim_gen.set(Some(generation));\n8071:                            Gate::Claimed(WakeClaimGuard {\n8072:                                map: &self.wake_inflight,\n8073:                                endpoint: req.endpoint.clone(),\n8074:                                generation,\n8075:                            })\n8076:                        }\n8077:                    }\n8078:                };\n8079:                match gate {\n8080:                    Gate::Claimed(guard) => {\n8081:                        spawn_phase(\"gate_claimed\", \"\");\n8082:                        break Some(guard);\n8083:                    }\n8084:                    Gate::AlreadyLive { sid, spid, adapter_labeled, spawned_ms_ago } => {\n8085:                        // ONE liveness authority (ADR-0041 decision 6,\n8086:                        // REQ-ENDPOINT-CYCLE-HONEST): before refusing/deduping by\n8087:                        // citing the claimed session, PROBE its client tree — off\n8088:                        // every lock. A zombie (dead root, or an adapter wrapper\n8089:                        // whose harness clients died past boot grace) is reaped\n8090:                        // honestly — scoped tree-kill, then wait for the\n8091:                        // exit-waiter to de-table it — and the gate re-evaluates:\n8092:                        // the next pass claims and spawns for real. Never a\n8093:                        // refusal citing a corpse.\n8094:                        // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n8095:                        if session_is_zombie(spid, adapter_labeled, spawned_ms_ago) {\n8096:                            spt_proto::emit_line_err!(\n8097:                                \"SPAWN_ZOMBIE_REAP:{}: claimed session {sid} has a dead client \\\n8098:                                 tree — reaping before honest respawn [REQ-ENDPOINT-CYCLE-HONEST]\",\n8099:                                req.endpoint\n8100:                            );\n8101:                            if let Some(pid) = spid {\n8102:                                spt_store::proc::kill_pid_tree(pid);\n8103:                            }\n8104:                            // Bounded wait for the exit-waiter to reap the table row;\n8105:                            // belt: a wedged/missed waiter (root already dead) gets a\n8106:                            // direct de-table + stamp clear so the gate can converge.\n8107:                            let reap_deadline = Instant::now() + Duration::from_secs(5);\n8108:                            loop {\n8109:                                if !recover(&self.sessions).contains_key(&sid) {\n8110:                                    break;\n8111:                                }\n8112:                                if Instant::now() >= reap_deadline {\n8113:                                    let removed = recover(&self.sessions).remove(&sid);\n8114:                                    if let Some(h) = removed {\n8115:                                        recover_log(&h.log).stamp_reaped();\n8116:                                        spt_proto::emit_line_err!(\n8117:                                            \"SPAWN_ZOMBIE_FORCE_DETABLE:{}: exit-waiter never \\\n8118:                                             reaped dead session {sid} — de-tabled directly\",\n8119:                                            req.endpoint\n8120:                                        );\n8121:                                    }\n8122:                                    break;\n8123:                                }\n8124:                                thread::sleep(WAKE_DEDUP_POLL);\n8125:                            }\n8126:                            continue; // re-evaluate the gate against the reaped truth\n8127:                        }\n8128:                        if fresh {\n8129:                            // Fresh/RejectExisting: a GENUINELY live session is a\n8130:                            // typed conflict — no session created, nothing mutated,\n8131:                            // the live session untouched. Never Spawned(existing).\n8132:                            // [impl->REQ-SPAWN-FRESH-TRUTHFUL]\n8133:                            spt_proto::emit_line_err!(\n8134:                                \"SPAWN_FRESH_CONFLICT:{}: endpoint already has a live session \\\n8135:                                 {sid} — typed conflict, no session created \\\n8136:                                 [REQ-SPAWN-FRESH-TRUTHFUL]\",\n8137:                                req.endpoint\n8138:                            );\n8139:                            let frame = Envelope::new(\n8140:                                KIND_SPAWN_CONFLICT,\n8141:                                serde_json::to_value(SpawnConflict {\n8142:                                    endpoint: req.endpoint.clone(),\n8143:                                    session_id: sid,\n8144:                                })\n8145:                                .expect(\"SpawnConflict serializes\"),\n8146:                            );\n8147:                            send_frame(send, &frame);\n8148:                            return Ok(None);\n8149:                        }\n8150:                        spt_proto::emit_line_err!(\n8151:                            \"SPAWN_DEDUP:{}: endpoint already has a live session {sid} — \\\n8152:                             single-flight wake no-op ack [REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\",\n8153:                            req.endpoint\n8154:                        );\n8155:                        let frame = Envelope::new(\n…\n8159:                        );\n…\n8162:                    }\n…\n8164:                }\n8165:            }\n8166:        };\n…\n8250:        // longer inline under the log lock, so a backed-up controller can never\n8251:        // wedge the session; a fully-stalled controller is detached after the\n8252:        // deadline (bounded wedge, never permanent).\n8253:        let log_drain = Arc::clone(&log);\n8254:        // DSR cursor authority (REQ-DSR-SINGLE-CPR): the drain answers each DSR\n8255:        // with the grid's real display-column cursor. The provider runs on the\n8256:        // drain thread BETWEEN sink handoffs (the append lock is released), and\n8257:        // the grid is advanced by that same thread, so the reported position is\n8258:        // exact at the query point.\n8259:        let log_cursor = Arc::clone(&log);\n8260:        let drain = session\n8261:            .drain_with_cursor(\n8262:                move |chunk| {\n8263:                    // OBS RIDER Tap A (debug-gated, default OFF): the raw pre-parse\n8264:                    // child output, captured before append()/grid.advance. No-op in a\n8265:                    // release build and when SPT_OBS_BYTE_TAP is unset.\n8266:                    spt_store::obstap::tap(id, \"raw\", chunk);\n8267:                    // append() does the controller handoff inline now (one non-blocking\n8268:                    // try_send — b4) and returns Some(epoch) ONLY when the controller is\n8269:                    // stalled-past-deadline / gone and must be evicted. mark it gone OFF\n8270:                    // the first lock (a fresh lock, no self-deadlock). The drain never\n8271:                    // sleeps here, so a slow controller can't throttle the viewer fan-out.\n8272:                    let evict = recover_log(&log_drain).append(chunk);\n8273:                    if let Some(epoch) = evict {\n8274:                        recover_log(&log_drain).mark_controller_gone(epoch);\n8275:                    }\n8276:                },\n8277:                Box::new(move || recover_log(&log_cursor).grid_cursor()),\n8278:            )\n8279:            .map_err(|e| format!(\"drain failed: {e}\"))?;\n8280:        spawn_phase(\"drain_armed\", \"\");\n8281:\n8282:        // Exit waiter → one `exit` frame when the child is reaped, then the dead\n8283:        // session is removed from the table. Runs on its own thread; `wait`\n8284:        // holds the child lock but `kill` uses a split killer.\n8285:        let sessions_exit = Arc::clone(&self.sessions);\n8286:        let log_exit = Arc::clone(&log);\n8287:        let waiter = Arc::clone(&session);\n8288:        // Carried for the Err arm's diagnostic below: a failed wait must name\n8289:        // the session it belonged to, not just the error.\n8290:        let exit_endpoint = req.endpoint.clone();\n8291:        // TEST-RIG-ONLY FAULT INJECTION. Never set in production.\n8292:        //\n8293:        // NOT the same kind of valve as this file's two siblings\n8294:        // (SPT_TEST_SPAWN_FRESH_UNSUPPORTED / SPT_TEST_STREAM_OPENER_UNSUPPORTED):\n8295:        // those make this broker answer like an OLDER broker — a state that\n8296:        // genuinely exists in the fleet — whereas this one makes it a BROKEN\n8297:        // one. It SUPPRESSES a correctness mechanism, so tripping it in the\n8298:        // field would leak sessions, not merely degrade a feature.\n8299:        //\n8300:        // THE FIELD CONDITION IT REPRODUCES: dead root + SURVIVING record —\n8301:        // the wedged/missed exit-wait behind hertz's zombie rows, and the state\n8302:        // `zombie_verdict`'s PRIMARY arm (\"dead root, surviving record\") exists\n8303:        // to classify. A healthy waiter removes the row within milliseconds, so\n8304:        // that arm is otherwise unreachable from any rig — which is how it went\n8305:        // this long fed by an unsound oracle with nothing able to catch it.\n8306:        //\n8307:        // It SUPPRESSES ONLY: no row is fabricated, no verdict faked. The test\n8308:        // observes the genuine state or it observes nothing.\n8309:        // [impl->REQ-LIVENESS-ORACLE-SOUND]\n8310:        let waiter_suppressed = std::env::var(\"SPT_TEST_EXIT_WAITER_SUPPRESSED\").is_ok();\n8311:        // TEST-RIG-ONLY FAULT INJECTION. Never set in production.\n8312:        //\n8313:        // The NARROW sibling of the valve above, and it exists because that one\n8314:        // is too WIDE for the face it would be borrowed for (releases#201): a\n8315:        // suppressed waiter never removes the row, never quiesces the drain and\n8316:        // never unlatches the perch, which is a DIFFERENT field state — dead\n8317:        // root plus SURVIVING record. #201 is the opposite shape: the reap\n8318:        // COMPLETES, the session is gone from the table and the perch is\n8319:        // unlatched, and the attached terminal is simply never told.\n8320:        //\n8321:        // THE FIELD CONDITION IT REPRODUCES: `PtySession::wait` is\n8322:        // `child.wait().map_err(SurfaceError::Io)`, so ANY Io error on the child\n8323:        // handle takes the Err arm below — the kill-versus-natural reap race is\n8324:        // the shape it takes in the field, our own best-effort kill contending\n8325:        // with the child exiting on its own. That arm gates the whole Exit\n8326:        // emission, so the terminal frame is dropped while every other teardown\n8327:        // step still runs.\n8328:        //\n8329:        // It FALSIFIES ONE OUTCOME, IT SKIPS NOTHING: the wait below is still\n8330:        // performed and still blocks until the child is genuinely dead, so a rig\n8331:        // observes the real teardown with a real reap — only the status it\n8332:        // yielded is replaced. No row is fabricated and no step is bypassed.\n8333:        //\n8334:        // Instrument for REQ-BROKER-EXIT-EVERY-REAP; the requirement is carried\n8335:        // by the emission below, not by this valve.\n8336:        let wait_err_injected = std::env::var(\"SPT_TEST_EXIT_WAIT_ERR\").is_ok();\n8337:        thread::spawn(move || {\n8338:            if waiter_suppressed {\n8339:                // Never wait, never remove the row: the session stays tabled\n8340:                // over a root that is about to die. The rig that set this owns\n8341:                // the reap this thread would have performed.\n8342:                return;\n8343:            }\n8344:            let status = waiter.wait();\n8345:            // Replace the outcome AFTER the real wait returns: the child is\n8346:            // reaped either way, so the injected Err costs the rig nothing but\n8347:            // the status itself.\n8348:            let status = if wait_err_injected {\n8349:                Err(spt_term::SurfaceError::Io(io::Error::other(\n8350:                    \"SPT_TEST_EXIT_WAIT_ERR\",\n8351:                )))\n8352:            } else {\n…\n8354:            };\n…\n8475:        });\n…\n9690:    ///    controller slot and never bumps the ADR-0044 lease generation — a\n9691:    ///    teardown is not a control theft.\n9692:    /// 2. **Reaps the whole DESCENDANT subtree**, not just the PTY child. The\n9693:    ///    hosted tree is adapter → node → harness → nested harness + MCP\n9694:    ///    children; the `spt api listen` that survived every field stop is a\n9695:    ///    GRANDCHILD, so a single-pid kill provably misses it. Reuses\n9696:    ///    [`spt_store::proc::kill_pid_tree`] (leaves-first over ONE snapshot)\n9697:    ///    — the tree-walk `daemon stop` already reaps with\n9698:    ///    (REQ-HAZARD-DAEMON-STOP-REAP), now at endpoint scope.\n9699:    /// 3. **Idempotent.** No matching session is `Ok(())`, not an error: a\n9700:    ///    replayed teardown (or one racing the exit waiter) is a benign\n9701:    ///    success, so the caller's bounded row-absence await stays the only\n9702:    ///    postcondition.\n9703:    ///\n9704:    /// It never asks the harness to cooperate (REQ-TEARDOWN-UNCOOPERATIVE-HOST):\n9705:    /// no graceful input, no PTY-EOF wait, no responsiveness probe. A WEDGED\n9706:    /// host is the design case — any cooperation step would re-import the hang\n9707:    /// the verb exists to break. The session row is removed by the exit waiter\n9708:    /// once the child is reaped, exactly as for any other death.\n9709:    ///\n9710:    /// LOCK DISCIPLINE: the sessions `Mutex` is released before any kill (the\n9711:    /// tree-walk is a syscall sweep; holding the map across it would park every\n9712:    /// other dispatch).\n9713:    // [impl->REQ-ENDPOINT-TEARDOWN-AUTHORITY]\n9714:    // [impl->REQ-TEARDOWN-UNCOOPERATIVE-HOST]\n9715:    // [impl->REQ-HAZARD-TEARDOWN-DEADEND]\n9716:    fn dispatch_teardown(&self, env: Envelope) -> Result<(), String> {\n9717:        let req: TeardownReq = serde_json::from_value(env.payload)\n9718:            .map_err(|e| format!(\"bad session-teardown payload: {e}\"))?;\n9719:        let want_endpoint = req.endpoint.as_deref().filter(|e| !e.is_empty());\n9720:        // Resolve UNDER the lock, kill OFF it.\n9721:        let target = {\n9722:            let sessions = recover(&self.sessions);\n9723:            sessions\n9724:                .iter()\n9725:                .find(|(id, h)| {\n9726:                    req.session_id == Some(**id)\n9727:                        || want_endpoint.is_some_and(|e| e == h.endpoint)\n9728:                })\n9729:                .map(|(_, h)| (h.session.process_id(), Arc::clone(&h.session)))\n9730:        };\n9731:        // Idempotent: nothing to tear down is a benign success.\n9732:        let Some((pid, session)) = target else {\n9733:            return Ok(());\n9734:        };\n9735:        if let Some(pid) = pid {\n9736:            spt_store::proc::kill_pid_tree(pid);\n9737:        }\n9738:        // The PTY child itself, via the split killer — belt-and-braces when the\n9739:        // backend exposed no pid (kill_pid_tree above was then a no-op).\n9740:        let _ = session.kill();\n9741:        Ok(())\n9742:    }\n9743:\n9744:    /// W3d (ADR-0025): apply a live adapter update to every session running\n9745:    /// `req.adapter`. LOCK DISCIPLINE (binding): the sessions `Mutex` is never held\n9746:    /// across the bounded `terminate()` or the CRC swap — only across the\n9747:    /// snapshot, the per-session `input` fetch, and the re-insert.\n9748:    ///\n9749:    /// 1. snapshot the affected `(id, endpoint, old translation)` under the lock,\n9750:    ///    then RELEASE it;\n9751:    /// 2. stop each resident translation child (`terminate()`, bounded 500ms) —\n9752:    ///    frees the OS file lock on the install-dir binary;\n9753:    /// 3. CRC-swap `install_dir` from the CLI's `staging_dir` ONCE (W3b\n9754:    ///    never-strand: a mid-swap failure rolls the install dir back to OLD);\n9755:    /// 4. restart each session's translation from the NEW on-disk manifest path\n9756:    ///    (verdict flag-5: re-resolved, never the stale cached path), built\n9757:    ///    OFF-lock then re-inserted under the lock — session / PTY / OutputLog\n9758:    ///    untouched (brain-parity);\n9759:    /// 5. on a swap FAILURE the install dir is rolled back to OLD, so restart from\n9760:    ///    the OLD path — NEVER leave a session translation-less — and report failed.\n9761:    ///\n9762:    /// The brain self-heals its in-memory manifest via W3c reload-on-dirty on its\n9763:    /// next pulse; this apply does NOT wait on it.\n9764:    // [impl->REQ-ADAPTER-LIVE-UPDATE]\n9765:    fn dispatch_adapter_apply(&self, env: Envelope, send: &SharedSend) -> Result<(), String> {\n9766:        let req: AdapterApplyReq = serde_json::from_value(env.payload)\n9767:            .map_err(|e| format!(\"bad adapter-apply payload: {e}\"))?;\n9768:        let install_dir = std::path::PathBuf::from(&req.install_dir);\n9769:        let staging = std::path::PathBuf::from(&req.staging_dir);\n9770:\n9771:        // (1) Snapshot affected sessions under the lock; RELEASE before any\n9772:        //     terminate / swap.\n9773:        let affected: Vec<(u64, String, Option<Arc<Translation>>)> = {\n9774:            let map = recover(&self.sessions);\n9775:            map.iter()\n…\n9780:                .filter(|(_, s)| {\n…\n9782:                })\n9783:                .map(|(id, s)| (*id, s.endpoint.clone(), s.translation.clone()))\n9784:                .collect()\n9785:        };\n…\n9924:    }"}],"details":{"displayContent":{"text":"fn spawn_client_grace() -> Duration {\n…\n}\n\n/// The ONE cycle-verb liveness verdict (ADR-0041 decision 6,\n/// REQ-ENDPOINT-CYCLE-HONEST), pure over its observables so the table is a\n/// unit test. A claimed session is a ZOMBIE — refusing a run/create by citing\n/// it would be a lie — exactly when:\n///   - its PTY child (the client-tree root) probes DEAD while the table record\n///     survives (a wedged/missed exit-wait), OR\n///   - it is an ADAPTER-labeled session (its `[session.self]` launch command\n///     forks a harness client chain under the wrapper by construction), PAST\n///     the boot grace, whose wrapper has NO live descendants — the deployah\n///     wedge shape: the launcher shell idles on while the harness underneath\n///     it died, so `run` said ALREADY_LIVE, `list` said OFFLINE, and\n///     `shutdown` said NO_EDGE about the same corpse.\n///\n/// A DIRECT/ad-hoc spawn (empty adapter — tests, shells, legacy) is its own\n/// client: wrapper-alive means live, descendants never consulted. An unknown\n/// pid (`None`) is never guessed at — not a zombie.\n// [impl->REQ-ENDPOINT-CYCLE-HONEST]\nfn zombie_verdict(\n    wrapper_alive: Option<bool>,\n    adapter_labeled: bool,\n    has_live_descendants: bool,\n    past_grace: bool,\n) -> bool {\n    match wrapper_alive {\n        None => false,        // no probeable pid — never guess\n        Some(false) => true,  // dead root, surviving record — always a zombie\n        Some(true) => adapter_labeled && past_grace && !has_live_descendants,\n    }\n}\n\n/// The impure probe feeding [`zombie_verdict`] for a claimed live session —\n/// runs OFF every broker lock (a process-table walk is real work; KH 7.12).\n/// `spawned_ms_ago` comes from the session's `spawned_at`; callers on the\n/// KIND_SESSIONS reply use the additive `SessionInfo` fields, so the CLI\n/// preflight and the broker gate consult the SAME authority.\n/// PURE resolution of the two liveness probes for [`session_is_zombie`], so the\n/// NO-SNAPSHOT arm is unit-testable WITHOUT a platform that lacks a process\n/// table (the W1 `unconfirmed_verdict` injection shape).\n///\n/// The table WINS wherever it speaks — that is the Windows fix, since a\n/// retained handle lies about a corpse. Where it has nothing to say, the\n/// handle probe is sound: no-table implies unix implies no handle blind spot,\n/// so the two conditions cannot both fail and the fallback is EXACT.\n// [impl->REQ-LIVENESS-ORACLE-SOUND]\nfn resolve_wrapper_alive(table_says: Option<bool>, handle_says: impl FnOnce() -> bool) -> bool {\n    table_says.unwrap_or_else(handle_says)\n}\n\n// [impl->REQ-ENDPOINT-CYCLE-HONEST]\npub fn session_is_zombie(pid: Option<u32>, adapter_labeled: bool, spawned_ms_ago: u64) -> bool {\n    // THE ORACLE, not a handle-probe (KNOWN-HAZARDS 7.50). `is_process_alive`\n    // asks `OpenProcess`, which keeps succeeding for a TERMINATED pid while a\n    // handle to it stays open — and this broker holds `Arc<PtySession>`, hence\n    // that handle, for exactly the sessions it is asked about. A reaped root\n    // therefore read `Some(true)` here and fell off `zombie_verdict`'s PRIMARY\n    // \"dead root, surviving record\" arm onto the conditional one, so a dead\n    // root that is NOT adapter-labeled was claimed LIVE indefinitely.\n    // NO-SNAPSHOT FALLS BACK, and the fallback is EXACT rather than a\n    // compromise: the handle blind spot is Windows-only (`kill(pid,0)` answers\n    // about the process, not about a handle the caller holds, and Linux demotes\n    // a /proc zombie), while Windows ALWAYS has a process table. So \"no table\"\n    // implies unix implies no handle problem — the two conditions cannot both\n    // fail. Routing to `None` here instead would have DISABLED zombie detection\n    // on non-Linux unix, trading a Windows-unsound oracle for an inoperative\n    // one: the same bad trade refused at livehost.rs's self-heal probe.\n    // `None` therefore survives only for an UNKNOWN PID, which is the case\n    // `zombie_verdict` already answers with \"never guess\".\n    let wrapper_alive = pid.map(|p| {\n        resolve_wrapper_alive(spt_store::proc::process_exists(p), || {\n            spt_store::proc::is_process_alive(p)\n        })\n    });\n    let has_live_descendants = pid.is_some_and(|p| {\n        spt_store::proc::process_descendants(p)\n            .iter()\n            .any(|d| spt_store::proc::is_process_alive(*d))\n    });\n    let past_grace = Duration::from_millis(spawned_ms_ago) >= spawn_client_grace();\n    zombie_verdict(wrapper_alive, adapter_labeled, has_live_descendants, past_grace)\n}\n\n…\n        // OR a spawn in flight — closing the check-then-spawn TOCTOU that let one wake\n        // spawn two identical launch trees (perri's flynn dup: duplicate perch writers\n        // then stomped info.json, routing injects to a contended record). The claim +\n        // the live-session check are read together under one atomic critical section so\n        // a concurrent spawn either sees our claim or its registered session — never a\n        // gap; NO I/O under the lock (process_id reads a cached pid; the ZOMBIE probe\n        // runs OFF the lock in the AlreadyLive arm). An empty endpoint is an\n        // ad-hoc/legacy spawn (no id to dedup on) → never gated. `_wake_claim` holds\n        // the claim to fn end, releasing (RAII) after the session is table-visible\n        // or on any early error.\n        // [impl->REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\n        let _wake_claim: Option<WakeClaimGuard> = if req.endpoint.is_empty() {\n            None\n        } else {\n            loop {\n                enum Gate<'a> {\n                    Claimed(WakeClaimGuard<'a>),\n                    AlreadyLive {\n                        sid: u64,\n                        spid: Option<u32>,\n                        adapter_labeled: bool,\n                        spawned_ms_ago: u64,\n                    },\n                    Racing,\n                }\n                let gate = {\n                    let sessions = recover(&self.sessions);\n                    let mut inflight = recover(&self.wake_inflight);\n                    let live = sessions.iter().find(|(_, h)| h.endpoint == req.endpoint).map(\n                        |(sid, h)| {\n                            (\n                                *sid,\n                                h.session.process_id(),\n                                !h.adapter.is_empty(),\n                                h.spawned_at.elapsed().as_millis() as u64,\n                            )\n                        },\n                    );\n                    // The holder's own phase stamp, read under the SAME lock as the\n                    // claim — an elapsed against a recorded Instant, no I/O, per this\n                    // block's no-I/O-under-the-lock contract.\n                    let held = inflight.get(&req.endpoint).cloned();\n                    let holder_stalled = held\n                        .as_ref()\n                        .is_some_and(|c| c.phase_at.elapsed() >= phase_wedge_ceiling(&c.phase));\n                    match wake_gate_decision(live.is_some(), held.is_some(), holder_stalled) {\n                        WakeGate::AlreadyLive => {\n                            let (sid, spid, adapter_labeled, spawned_ms_ago) =\n                                live.expect(\"live is Some on AlreadyLive\");\n                            Gate::AlreadyLive { sid, spid, adapter_labeled, spawned_ms_ago }\n                        }\n                        WakeGate::Racing => Gate::Racing,\n                        WakeGate::Claim => {\n                            // A takeover is the availability arm firing. LOUD and\n                            // always, naming the phase and the elapsed that decided\n                            // it — a silent takeover is indistinguishable from a\n                            // free endpoint in every log we would read afterwards.\n                            if let Some(prev) = &held {\n                                WEDGE_TAKEOVER_COUNT.fetch_add(1, Ordering::Relaxed);\n                                eprintln!(\n                                    \"SPAWN_WEDGE_TAKEOVER:{}: claim gen {} wedged in phase {} for {}ms \\\n                                     (ceiling {}ms) — taking over \\\n                                     [REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\",\n                                    req.endpoint,\n                                    prev.generation,\n                                    prev.phase,\n                                    prev.phase_at.elapsed().as_millis(),\n                                    phase_wedge_ceiling(&prev.phase).as_millis(),\n                                );\n                            }\n                            let generation =\n                                self.wake_generation.fetch_add(1, Ordering::Relaxed) + 1;\n                            inflight.insert(\n                                req.endpoint.clone(),\n                                WakeClaim {\n                                    generation,\n                                    phase: \"gate_claimed\".to_string(),\n                                    phase_at: Instant::now(),\n                                },\n                            );\n                            claim_gen.set(Some(generation));\n                            Gate::Claimed(WakeClaimGuard {\n                                map: &self.wake_inflight,\n                                endpoint: req.endpoint.clone(),\n                                generation,\n                            })\n                        }\n                    }\n                };\n                match gate {\n                    Gate::Claimed(guard) => {\n                        spawn_phase(\"gate_claimed\", \"\");\n                        break Some(guard);\n                    }\n                    Gate::AlreadyLive { sid, spid, adapter_labeled, spawned_ms_ago } => {\n                        // ONE liveness authority (ADR-0041 decision 6,\n                        // REQ-ENDPOINT-CYCLE-HONEST): before refusing/deduping by\n                        // citing the claimed session, PROBE its client tree — off\n                        // every lock. A zombie (dead root, or an adapter wrapper\n                        // whose harness clients died past boot grace) is reaped\n                        // honestly — scoped tree-kill, then wait for the\n                        // exit-waiter to de-table it — and the gate re-evaluates:\n                        // the next pass claims and spawns for real. Never a\n                        // refusal citing a corpse.\n                        // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n                        if session_is_zombie(spid, adapter_labeled, spawned_ms_ago) {\n                            spt_proto::emit_line_err!(\n                                \"SPAWN_ZOMBIE_REAP:{}: claimed session {sid} has a dead client \\\n                                 tree — reaping before honest respawn [REQ-ENDPOINT-CYCLE-HONEST]\",\n                                req.endpoint\n                            );\n                            if let Some(pid) = spid {\n                                spt_store::proc::kill_pid_tree(pid);\n                            }\n                            // Bounded wait for the exit-waiter to reap the table row;\n                            // belt: a wedged/missed waiter (root already dead) gets a\n                            // direct de-table + stamp clear so the gate can converge.\n                            let reap_deadline = Instant::now() + Duration::from_secs(5);\n                            loop {\n                                if !recover(&self.sessions).contains_key(&sid) {\n                                    break;\n                                }\n                                if Instant::now() >= reap_deadline {\n                                    let removed = recover(&self.sessions).remove(&sid);\n                                    if let Some(h) = removed {\n                                        recover_log(&h.log).stamp_reaped();\n                                        spt_proto::emit_line_err!(\n                                            \"SPAWN_ZOMBIE_FORCE_DETABLE:{}: exit-waiter never \\\n                                             reaped dead session {sid} — de-tabled directly\",\n                                            req.endpoint\n                                        );\n                                    }\n                                    break;\n                                }\n                                thread::sleep(WAKE_DEDUP_POLL);\n                            }\n                            continue; // re-evaluate the gate against the reaped truth\n                        }\n                        if fresh {\n                            // Fresh/RejectExisting: a GENUINELY live session is a\n                            // typed conflict — no session created, nothing mutated,\n                            // the live session untouched. Never Spawned(existing).\n                            // [impl->REQ-SPAWN-FRESH-TRUTHFUL]\n                            spt_proto::emit_line_err!(\n                                \"SPAWN_FRESH_CONFLICT:{}: endpoint already has a live session \\\n                                 {sid} — typed conflict, no session created \\\n                                 [REQ-SPAWN-FRESH-TRUTHFUL]\",\n                                req.endpoint\n                            );\n                            let frame = Envelope::new(\n                                KIND_SPAWN_CONFLICT,\n                                serde_json::to_value(SpawnConflict {\n                                    endpoint: req.endpoint.clone(),\n                                    session_id: sid,\n                                })\n                                .expect(\"SpawnConflict serializes\"),\n                            );\n                            send_frame(send, &frame);\n                            return Ok(None);\n                        }\n                        spt_proto::emit_line_err!(\n                            \"SPAWN_DEDUP:{}: endpoint already has a live session {sid} — \\\n                             single-flight wake no-op ack [REQ-SPAWN-COLLISION-GUARD-LIVE-DUP]\",\n                            req.endpoint\n                        );\n                        let frame = Envelope::new(\n…\n                        );\n…\n                    }\n…\n                }\n            }\n        };\n…\n        // longer inline under the log lock, so a backed-up controller can never\n        // wedge the session; a fully-stalled controller is detached after the\n        // deadline (bounded wedge, never permanent).\n        let log_drain = Arc::clone(&log);\n        // DSR cursor authority (REQ-DSR-SINGLE-CPR): the drain answers each DSR\n        // with the grid's real display-column cursor. The provider runs on the\n        // drain thread BETWEEN sink handoffs (the append lock is released), and\n        // the grid is advanced by that same thread, so the reported position is\n        // exact at the query point.\n        let log_cursor = Arc::clone(&log);\n        let drain = session\n            .drain_with_cursor(\n                move |chunk| {\n                    // OBS RIDER Tap A (debug-gated, default OFF): the raw pre-parse\n                    // child output, captured before append()/grid.advance. No-op in a\n                    // release build and when SPT_OBS_BYTE_TAP is unset.\n                    spt_store::obstap::tap(id, \"raw\", chunk);\n                    // append() does the controller handoff inline now (one non-blocking\n                    // try_send — b4) and returns Some(epoch) ONLY when the controller is\n                    // stalled-past-deadline / gone and must be evicted. mark it gone OFF\n                    // the first lock (a fresh lock, no self-deadlock). The drain never\n                    // sleeps here, so a slow controller can't throttle the viewer fan-out.\n                    let evict = recover_log(&log_drain).append(chunk);\n                    if let Some(epoch) = evict {\n                        recover_log(&log_drain).mark_controller_gone(epoch);\n                    }\n                },\n                Box::new(move || recover_log(&log_cursor).grid_cursor()),\n            )\n            .map_err(|e| format!(\"drain failed: {e}\"))?;\n        spawn_phase(\"drain_armed\", \"\");\n\n        // Exit waiter → one `exit` frame when the child is reaped, then the dead\n        // session is removed from the table. Runs on its own thread; `wait`\n        // holds the child lock but `kill` uses a split killer.\n        let sessions_exit = Arc::clone(&self.sessions);\n        let log_exit = Arc::clone(&log);\n        let waiter = Arc::clone(&session);\n        // Carried for the Err arm's diagnostic below: a failed wait must name\n        // the session it belonged to, not just the error.\n        let exit_endpoint = req.endpoint.clone();\n        // TEST-RIG-ONLY FAULT INJECTION. Never set in production.\n        //\n        // NOT the same kind of valve as this file's two siblings\n        // (SPT_TEST_SPAWN_FRESH_UNSUPPORTED / SPT_TEST_STREAM_OPENER_UNSUPPORTED):\n        // those make this broker answer like an OLDER broker — a state that\n        // genuinely exists in the fleet — whereas this one makes it a BROKEN\n        // one. It SUPPRESSES a correctness mechanism, so tripping it in the\n        // field would leak sessions, not merely degrade a feature.\n        //\n        // THE FIELD CONDITION IT REPRODUCES: dead root + SURVIVING record —\n        // the wedged/missed exit-wait behind hertz's zombie rows, and the state\n        // `zombie_verdict`'s PRIMARY arm (\"dead root, surviving record\") exists\n        // to classify. A healthy waiter removes the row within milliseconds, so\n        // that arm is otherwise unreachable from any rig — which is how it went\n        // this long fed by an unsound oracle with nothing able to catch it.\n        //\n        // It SUPPRESSES ONLY: no row is fabricated, no verdict faked. The test\n        // observes the genuine state or it observes nothing.\n        // [impl->REQ-LIVENESS-ORACLE-SOUND]\n        let waiter_suppressed = std::env::var(\"SPT_TEST_EXIT_WAITER_SUPPRESSED\").is_ok();\n        // TEST-RIG-ONLY FAULT INJECTION. Never set in production.\n        //\n        // The NARROW sibling of the valve above, and it exists because that one\n        // is too WIDE for the face it would be borrowed for (releases#201): a\n        // suppressed waiter never removes the row, never quiesces the drain and\n        // never unlatches the perch, which is a DIFFERENT field state — dead\n        // root plus SURVIVING record. #201 is the opposite shape: the reap\n        // COMPLETES, the session is gone from the table and the perch is\n        // unlatched, and the attached terminal is simply never told.\n        //\n        // THE FIELD CONDITION IT REPRODUCES: `PtySession::wait` is\n        // `child.wait().map_err(SurfaceError::Io)`, so ANY Io error on the child\n        // handle takes the Err arm below — the kill-versus-natural reap race is\n        // the shape it takes in the field, our own best-effort kill contending\n        // with the child exiting on its own. That arm gates the whole Exit\n        // emission, so the terminal frame is dropped while every other teardown\n        // step still runs.\n        //\n        // It FALSIFIES ONE OUTCOME, IT SKIPS NOTHING: the wait below is still\n        // performed and still blocks until the child is genuinely dead, so a rig\n        // observes the real teardown with a real reap — only the status it\n        // yielded is replaced. No row is fabricated and no step is bypassed.\n        //\n        // Instrument for REQ-BROKER-EXIT-EVERY-REAP; the requirement is carried\n        // by the emission below, not by this valve.\n        let wait_err_injected = std::env::var(\"SPT_TEST_EXIT_WAIT_ERR\").is_ok();\n        thread::spawn(move || {\n            if waiter_suppressed {\n                // Never wait, never remove the row: the session stays tabled\n                // over a root that is about to die. The rig that set this owns\n                // the reap this thread would have performed.\n                return;\n            }\n            let status = waiter.wait();\n            // Replace the outcome AFTER the real wait returns: the child is\n            // reaped either way, so the injected Err costs the rig nothing but\n            // the status itself.\n            let status = if wait_err_injected {\n                Err(spt_term::SurfaceError::Io(io::Error::other(\n                    \"SPT_TEST_EXIT_WAIT_ERR\",\n                )))\n            } else {\n…\n            };\n…\n        });\n…\n    ///    controller slot and never bumps the ADR-0044 lease generation — a\n    ///    teardown is not a control theft.\n    /// 2. **Reaps the whole DESCENDANT subtree**, not just the PTY child. The\n    ///    hosted tree is adapter → node → harness → nested harness + MCP\n    ///    children; the `spt api listen` that survived every field stop is a\n    ///    GRANDCHILD, so a single-pid kill provably misses it. Reuses\n    ///    [`spt_store::proc::kill_pid_tree`] (leaves-first over ONE snapshot)\n    ///    — the tree-walk `daemon stop` already reaps with\n    ///    (REQ-HAZARD-DAEMON-STOP-REAP), now at endpoint scope.\n    /// 3. **Idempotent.** No matching session is `Ok(())`, not an error: a\n    ///    replayed teardown (or one racing the exit waiter) is a benign\n    ///    success, so the caller's bounded row-absence await stays the only\n    ///    postcondition.\n    ///\n    /// It never asks the harness to cooperate (REQ-TEARDOWN-UNCOOPERATIVE-HOST):\n    /// no graceful input, no PTY-EOF wait, no responsiveness probe. A WEDGED\n    /// host is the design case — any cooperation step would re-import the hang\n    /// the verb exists to break. The session row is removed by the exit waiter\n    /// once the child is reaped, exactly as for any other death.\n    ///\n    /// LOCK DISCIPLINE: the sessions `Mutex` is released before any kill (the\n    /// tree-walk is a syscall sweep; holding the map across it would park every\n    /// other dispatch).\n    // [impl->REQ-ENDPOINT-TEARDOWN-AUTHORITY]\n    // [impl->REQ-TEARDOWN-UNCOOPERATIVE-HOST]\n    // [impl->REQ-HAZARD-TEARDOWN-DEADEND]\n    fn dispatch_teardown(&self, env: Envelope) -> Result<(), String> {\n        let req: TeardownReq = serde_json::from_value(env.payload)\n            .map_err(|e| format!(\"bad session-teardown payload: {e}\"))?;\n        let want_endpoint = req.endpoint.as_deref().filter(|e| !e.is_empty());\n        // Resolve UNDER the lock, kill OFF it.\n        let target = {\n            let sessions = recover(&self.sessions);\n            sessions\n                .iter()\n                .find(|(id, h)| {\n                    req.session_id == Some(**id)\n                        || want_endpoint.is_some_and(|e| e == h.endpoint)\n                })\n                .map(|(_, h)| (h.session.process_id(), Arc::clone(&h.session)))\n        };\n        // Idempotent: nothing to tear down is a benign success.\n        let Some((pid, session)) = target else {\n            return Ok(());\n        };\n        if let Some(pid) = pid {\n            spt_store::proc::kill_pid_tree(pid);\n        }\n        // The PTY child itself, via the split killer — belt-and-braces when the\n        // backend exposed no pid (kill_pid_tree above was then a no-op).\n        let _ = session.kill();\n        Ok(())\n    }\n\n    /// W3d (ADR-0025): apply a live adapter update to every session running\n    /// `req.adapter`. LOCK DISCIPLINE (binding): the sessions `Mutex` is never held\n    /// across the bounded `terminate()` or the CRC swap — only across the\n    /// snapshot, the per-session `input` fetch, and the re-insert.\n    ///\n    /// 1. snapshot the affected `(id, endpoint, old translation)` under the lock,\n    ///    then RELEASE it;\n    /// 2. stop each resident translation child (`terminate()`, bounded 500ms) —\n    ///    frees the OS file lock on the install-dir binary;\n    /// 3. CRC-swap `install_dir` from the CLI's `staging_dir` ONCE (W3b\n    ///    never-strand: a mid-swap failure rolls the install dir back to OLD);\n    /// 4. restart each session's translation from the NEW on-disk manifest path\n    ///    (verdict flag-5: re-resolved, never the stale cached path), built\n    ///    OFF-lock then re-inserted under the lock — session / PTY / OutputLog\n    ///    untouched (brain-parity);\n    /// 5. on a swap FAILURE the install dir is rolled back to OLD, so restart from\n    ///    the OLD path — NEVER leave a session translation-less — and report failed.\n    ///\n    /// The brain self-heals its in-memory manifest via W3c reload-on-dirty on its\n    /// next pulse; this apply does NOT wait on it.\n    // [impl->REQ-ADAPTER-LIVE-UPDATE]\n    fn dispatch_adapter_apply(&self, env: Envelope, send: &SharedSend) -> Result<(), String> {\n        let req: AdapterApplyReq = serde_json::from_value(env.payload)\n            .map_err(|e| format!(\"bad adapter-apply payload: {e}\"))?;\n        let install_dir = std::path::PathBuf::from(&req.install_dir);\n        let staging = std::path::PathBuf::from(&req.staging_dir);\n\n        // (1) Snapshot affected sessions under the lock; RELEASE before any\n        //     terminate / swap.\n        let affected: Vec<(u64, String, Option<Arc<Translation>>)> = {\n            let map = recover(&self.sessions);\n            map.iter()\n…\n                .filter(|(_, s)| {\n…\n                })\n                .map(|(id, s)| (*id, s.endpoint.clone(), s.translation.clone()))\n                .collect()\n        };\n…\n    }","startLine":389,"lineNumbers":[389,null,395,396,397,398,399,400,401,402,403,404,405,406,407,408,409,410,411,412,413,414,415,416,417,418,419,420,421,422,423,424,425,426,427,428,429,430,431,432,433,434,435,436,437,438,439,440,441,442,443,444,445,446,447,448,449,450,451,452,453,454,455,456,457,458,459,460,461,462,463,464,465,466,467,468,469,470,471,472,473,474,475,476,477,null,7990,7991,7992,7993,7994,7995,7996,7997,7998,7999,8000,8001,8002,8003,8004,8005,8006,8007,8008,8009,8010,8011,8012,8013,8014,8015,8016,8017,8018,8019,8020,8021,8022,8023,8024,8025,8026,8027,8028,8029,8030,8031,8032,8033,8034,8035,8036,8037,8038,8039,8040,8041,8042,8043,8044,8045,8046,8047,8048,8049,8050,8051,8052,8053,8054,8055,8056,8057,8058,8059,8060,8061,8062,8063,8064,8065,8066,8067,8068,8069,8070,8071,8072,8073,8074,8075,8076,8077,8078,8079,8080,8081,8082,8083,8084,8085,8086,8087,8088,8089,8090,8091,8092,8093,8094,8095,8096,8097,8098,8099,8100,8101,8102,8103,8104,8105,8106,8107,8108,8109,8110,8111,8112,8113,8114,8115,8116,8117,8118,8119,8120,8121,8122,8123,8124,8125,8126,8127,8128,8129,8130,8131,8132,8133,8134,8135,8136,8137,8138,8139,8140,8141,8142,8143,8144,8145,8146,8147,8148,8149,8150,8151,8152,8153,8154,8155,null,8159,null,8162,null,8164,8165,8166,null,8250,8251,8252,8253,8254,8255,8256,8257,8258,8259,8260,8261,8262,8263,8264,8265,8266,8267,8268,8269,8270,8271,8272,8273,8274,8275,8276,8277,8278,8279,8280,8281,8282,8283,8284,8285,8286,8287,8288,8289,8290,8291,8292,8293,8294,8295,8296,8297,8298,8299,8300,8301,8302,8303,8304,8305,8306,8307,8308,8309,8310,8311,8312,8313,8314,8315,8316,8317,8318,8319,8320,8321,8322,8323,8324,8325,8326,8327,8328,8329,8330,8331,8332,8333,8334,8335,8336,8337,8338,8339,8340,8341,8342,8343,8344,8345,8346,8347,8348,8349,8350,8351,8352,null,8354,null,8475,null,9690,9691,9692,9693,9694,9695,9696,9697,9698,9699,9700,9701,9702,9703,9704,9705,9706,9707,9708,9709,9710,9711,9712,9713,9714,9715,9716,9717,9718,9719,9720,9721,9722,9723,9724,9725,9726,9727,9728,9729,9730,9731,9732,9733,9734,9735,9736,9737,9738,9739,9740,9741,9742,9743,9744,9745,9746,9747,9748,9749,9750,9751,9752,9753,9754,9755,9756,9757,9758,9759,9760,9761,9762,9763,9764,9765,9766,9767,9768,9769,9770,9771,9772,9773,9774,9775,null,9780,null,9782,9783,9784,9785,null,9924]},"fileSize":844842,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates\\spt-daemon\\src\\broker.rs"}}},"isError":false,"timestamp":1788998101633}}
{"type":"message","id":"490e3443","parentId":"7ea8ab75","timestamp":"2026-09-09T23:55:01.643Z","message":{"role":"toolResult","toolCallId":"call_xhthZyGMp0Zvo2TISYLJkXh0|fc_0ea187522e3f208f016aa1f1d572c887d2987d88a2186991cc","toolName":"read","content":[{"type":"text","text":"[.worktrees/285-zombie/traceable-reqs.toml#89CE]\n1:# traceable-reqs manifest for spt-core — SEED.\n2:#\n3:# Authoritative requirement registry: every PRD R-* requirement and every\n4:# KNOWN-HAZARDS invariant lives here as a REQ-* id (see docs/TRACEABILITY.md\n5:# for the development contract).\n6:#\n7:# ACTIVATION MODEL: every requirement starts inactive (`required_stages = []`)\n8:# so `check` stays green pre-code. A milestone (M0-M5) ACTIVATES its requirements\n9:# by setting their real `required_stages`. Validate this seed against the\n10:# installed CLI at M0 (the binary isn't installed yet).\n11:\n12:[scan]\n13:# CONTEXT.md is a file root: the glossary is authoritative for meaning and\n14:# carries doc-stage tags (e.g. §Installation). installer/ added M6-D2.\n15:roots = [\"src\", \"tests\", \"docs\", \"crates\", \"installer\", \"CONTEXT.md\", \"docs-site\", \".github\"]\n16:\n17:[policy]\n18:# Default policy applied at activation: doc + impl + unit. Networking/lifecycle\n19:# reqs add \"int\". Until a req is activated, its per-req `required_stages = []`\n20:# keeps it out of the coverage gate.\n21:required_stages = []\n22:\n23:# ───────────────────────────── Architecture / workspace ─────────────────────\n24:[[requirements]]\n25:id = \"REQ-ARCH-1\"\n26:title = \"Many small acyclically-layered crates\"\n27:required_stages = [\"impl\"]  # activated M0: spt-proto<-spt-store one-way layering (T14). impl-only: architecture is build-evidenced (cargo rejects cycles); grows as crates are added M1+.\n28:[[requirements]]\n29:id = \"REQ-ARCH-2\"\n30:title = \"Public SDK surface is spt-proto, spt-runtime, spt-msg\"\n31:required_stages = [\"impl\"]\n32:[[requirements]]\n33:id = \"REQ-ARCH-3\"\n34:title = \"Wire-protocol version independent of crate semver, N-1 compat window\"\n35:required_stages = [\"impl\", \"unit\"]  # activated M0: spt-proto wire version + compat window (T6)\n36:[[requirements]]\n37:id = \"REQ-ARCH-4\"\n38:title = \"Copy-verbatim the commodity layer from the sister project\"\n39:required_stages = [\"impl\", \"unit\"]  # activated M0: spt-proto EVENT grammar (T2)\n40:\n41:# ───────────────────────────── Daemon ───────────────────────────────────────\n42:[[requirements]]\n43:id = \"REQ-DAEMON-1\"\n44:title = \"One per-machine spt-daemon owning all per-machine state\"\n45:required_stages = [\"impl\", \"unit\", \"int\"]  # int activated M3b-B9: the daemon E2E (spawn→Psyche-loop→commune→brain-restart-survives→graceful-signoff) drives the consolidated daemon-hosted lifecycle through the real IPC\n46:[[requirements]]\n47:id = \"REQ-DAEMON-2\"\n48:title = \"Broker/brain split for seamless self-update\"\n49:required_stages = [\"impl\", \"unit\", \"int\"]  # int RE-POINTED at restoration D7-1 (ADR-0018 V5) to the PROCESS-level survival E2E (crates/spt/tests/brain_survive.rs: broker/brain split delivers the seamless update at the process level — a brain-PROCESS restart onto a swapped binary, PTY child + QUIC conn held). Was M3b-B9 daemon_e2e + handoff.rs (the in-process handoff shape — regression-masked per ADR-0018); those tags removed in the same D7-1 commit. The net-ownership facet (netbroker.rs) stays distinct evidence\n50:[[requirements]]\n51:id = \"REQ-DAEMON-3\"\n52:title = \"Any api invocation auto-starts the daemon if absent\"\n53:required_stages = [\"impl\", \"unit\", \"int\"]\n54:[[requirements]]\n55:id = \"REQ-DAEMON-4\"\n56:title = \"Honor every KNOWN-HAZARDS invariant\"\n57:required_stages = [\"impl\", \"unit\", \"int\"]  # int activated M3b-B9: the daemon E2E proves graceful signoff runs the echo-before-teardown ordering (3.3) and removes the Self's ready marker in the consolidated daemon\n58:\n59:# ───────────────────────────── Storage ──────────────────────────────────────\n60:# git-KV BranchStore substrate (ADR-0011, 2026-06-02; implement M4, optional M3c)\n61:[[requirements]]\n62:id = \"REQ-STORE-1\"\n63:title = \"spt-store::BranchStore (git branch as versioned KV; commit=checkpoint/tip=resume, atomic multi-key, merge-native sync) is the substrate for coarse/durable/audited state (context, registry snapshot+distribution, daemon checkpoint); hot paths (B5 fsync journal) + indexed queries (SQLite spool) excluded (ADR-0011)\"\n64:required_stages = [\"impl\", \"unit\"]  # activated M4-D6a: spt_store::branchstore::BranchStore — bare seed repo + linked worktrees (relative-path config, repair fallback), ensure_branch = parentless empty-tree seed (independent KV roots; sync joins with --allow-unrelated-histories at first contact), commit_in_worktree = ONE commit per write incl. atomic multi-key (no-op mints no empty checkpoint), tip/read_at_tip = the recovery read. Git-CLI-backed per ADR-0013 (bounded runner gitrun.rs, hazard 5.3; identity pinned via env, never user config). First consumer: contextstore.rs two-tier tracked/ layout (a-<id>/p-<project> branches) + project.rs project_id derivation (remote-URL slug → toplevel folder → dir name). unit = init-idempotent + commit/read/tip + no-op-no…\n65:\n66:# ───────────────────────────── Harness contract — manifest seams ────────────\n67:[[requirements]]\n68:id = \"REQ-MANIFEST-1\"\n69:title = \"Per-adapter manifest with adapter_name and min_spt_core_version\"\n70:required_stages = [\"doc\", \"impl\", \"unit\"]\n71:[[requirements]]\n72:id = \"REQ-MANIFEST-2\"\n73:title = \"Adapter profiles — sparse leaf-replace overlays (shipped + local), composite <adapter>:<profile> addressing, shadow-refusal, tighten-only consent floors\"\n74:required_stages = [\"doc\", \"impl\", \"unit\"]\n75:[[requirements]]\n76:id = \"REQ-MANIFEST-3\"\n77:title = \"Adapter strings — [strings] KV tree, dot-path get-string resolving through the profile leaf-replace overlay, set-string editing a local profile's [strings] only; data-only (nothing executes a string)\"\n78:required_stages = [\"doc\", \"impl\", \"unit\"]  # activated 2026-06-12: M9-T2 (CONTEXT.md §adapter strings, adapter-string get/set CLI + overlay resolution)\n79:[[requirements]]\n80:id = \"REQ-MANIFEST-4\"\n81:title = \"Keyword hints — [[hints]] {keywords (literal/regex), text}; spt api hint --session emits at most one matched hint per message, once per session (seen-set), declaration-order first match; profiles overlay [[hints]] by leaf-replace\"\n82:required_stages = [\"doc\", \"impl\", \"unit\"]  # activated 2026-06-12: M9-T3 (CONTEXT.md §keyword hints, api hint surface + per-session seen-set)\n83:[[requirements]]\n84:id = \"REQ-MANIFEST-5\"\n85:title = \"File-backed adapter [strings] (M12-W3-T3.1): a [strings] dot-path value MAY be an inline-table FILE POINTER `key = { file = \\\"rel/path\\\" }` resolved to the file's contents at get-string time, keeping large bodies (skill-instructions, hint text) out of the manifest. A value-position table with a `file` key IS the pointer form (reserved — cannot double as data). Per-adapter aux storage `adapters/<adapter>/strings/`; pointers resolve relative to it with CONTAINMENT (reject `..`/absolute escaping the dir). UPDATE-SAFETY: a LOCAL profile's file-pointers resolve relative to the user-owned local-profile dir (NOT adapter-shipped strings/, which adapter updates overwrite), or the local profile inlines. Validate-at-register (fail-fast on a bad/escaping/missin…\n86:required_stages = [\"doc\", \"impl\", \"unit\"]  # activated M12-W3\n87:[[requirements]]\n88:id = \"REQ-MANIFEST-6\"\n89:title = \"Cross-adapter fallback target addressing (M12-W3-T3.2): a cross-adapter fallback target is addressed as `<adapter>:<profile>` (not just a bare adapter_name), resolved through the one composite-addressing resolver (registry::resolve_option) at every adapter-option read site so a fallback may select a shipped/local profile (e.g. a `ccs` profile). CONTEXT.md §cross-adapter-fallback reconciled (\\\"ccs is a profile; cross-adapter fallback may target <adapter>:<profile>\\\"). Contract-only this milestone: the node-wide fallback SETTING + its rate-limit invocation are deferred to the consuming milestone (the runtime path does not exist yet); this REQ guarantees the ADDRESSING resolves.\"\n90:required_stages = [\"doc\", \"unit\"]  # activated M12-W3 (contract-only: no int)\n91:[[requirements]]\n92:id = \"REQ-MANIFEST-7\"\n93:title = \"Adapter-declared shortcut basename (M12-W2 follow-on): an optional `[adapter] shortcut_basename` manifest field names the basename the picker bakes into the generated `<basename>-<id>` launcher shortcut (REQ-RUN-SHORTCUT). Absent ⇒ the harness-agnostic default `spt` (→ `spt-<id>`); an adapter sets it to brand its shortcuts (claude-spt → `cc` → `cc-<id>`), so the Claude-Code-ness lives in the PUBLISHED adapter manifest, never hardcoded in spt-core. The picker reads it from the RESOLVED manifest of the selected adapter (registry::resolve_option), falling back to `spt` when absent/empty/unresolvable. Additive + N-1-safe (serde-default Option, omitted from serialization when absent; old manifests parse clean); manifest.schema.json regenerated from the d…\n94:required_stages = [\"doc\", \"impl\", \"unit\"]  # activated M12-W2 follow-on\n\n[Showing lines 1-93 of 7566. Use :94 to continue. Some lines truncated to 768 chars]"}],"details":{"truncation":{"content":"# traceable-reqs manifest for spt-core — SEED.\r\n#\r\n# Authoritative requirement registry: every PRD R-* requirement and every\r\n# KNOWN-HAZARDS invariant lives here as a REQ-* id (see docs/TRACEABILITY.md\r\n# for the development contract).\r\n#\r\n# ACTIVATION MODEL: every requirement starts inactive (`required_stages = []`)\r\n# so `check` stays green pre-code. A milestone (M0-M5) ACTIVATES its requirements\r\n# by setting their real `required_stages`. Validate this seed against the\r\n# installed CLI at M0 (the binary isn't installed yet).\r\n\r\n[scan]\r\n# CONTEXT.md is a file root: the glossary is authoritative for meaning and\r\n# carries doc-stage tags (e.g. §Installation). installer/ added M6-D2.\r\nroots = [\"src\", \"tests\", \"docs\", \"crates\", \"installer\", \"CONTEXT.md\", \"docs-site\", \".github\"]\r\n\r\n[policy]\r\n# Default policy applied at activation: doc + impl + unit. Networking/lifecycle\r\n# reqs add \"int\". Until a req is activated, its per-req `required_stages = []`\r\n# keeps it out of the coverage gate.\r\nrequired_stages = []\r\n\r\n# ───────────────────────────── Architecture / workspace ─────────────────────\r\n[[requirements]]\r\nid = \"REQ-ARCH-1\"\r\ntitle = \"Many small acyclically-layered crates\"\r\nrequired_stages = [\"impl\"]  # activated M0: spt-proto<-spt-store one-way layering (T14). impl-only: architecture is build-evidenced (cargo rejects cycles); grows as crates are added M1+.\r\n[[requirements]]\r\nid = \"REQ-ARCH-2\"\r\ntitle = \"Public SDK surface is spt-proto, spt-runtime, spt-msg\"\r\nrequired_stages = [\"impl\"]\r\n[[requirements]]\r\nid = \"REQ-ARCH-3\"\r\ntitle = \"Wire-protocol version independent of crate semver, N-1 compat window\"\r\nrequired_stages = [\"impl\", \"unit\"]  # activated M0: spt-proto wire version + compat window (T6)\r\n[[requirements]]\r\nid = \"REQ-ARCH-4\"\r\ntitle = \"Copy-verbatim the commodity layer from the sister project\"\r\nrequired_stages = [\"impl\", \"unit\"]  # activated M0: spt-proto EVENT grammar (T2)\r\n\r\n# ───────────────────────────── Daemon ───────────────────────────────────────\r\n[[requirements]]\r\nid = \"REQ-DAEMON-1\"\r\ntitle = \"One per-machine spt-daemon owning all per-machine state\"\r\nrequired_stages = [\"impl\", \"unit\", \"int\"]  # int activated M3b-B9: the daemon E2E (spawn→Psyche-loop→commune→brain-restart-survives→graceful-signoff) drives the consolidated daemon-hosted lifecycle through the real IPC\r\n[[requirements]]\r\nid = \"REQ-DAEMON-2\"\r\ntitle = \"Broker/brain split for seamless self-update\"\r\nrequired_stages = [\"impl\", \"unit\", \"int\"]  # int RE-POINTED at restoration D7-1 (ADR-0018 V5) to the PROCESS-level survival E2E (crates/spt/tests/brain_survive.rs: broker/brain split delivers the seamless update at the process level — a brain-PROCESS restart onto a swapped binary, PTY child + QUIC conn held). Was M3b-B9 daemon_e2e + handoff.rs (the in-process handoff shape — regression-masked per ADR-0018); those tags removed in the same D7-1 commit. The net-ownership facet (netbroker.rs) stays distinct evidence\r\n[[requirements]]\r\nid = \"REQ-DAEMON-3\"\r\ntitle = \"Any api invocation auto-starts the daemon if absent\"\r\nrequired_stages = [\"impl\", \"unit\", \"int\"]\r\n[[requirements]]\r\nid = \"REQ-DAEMON-4\"\r\ntitle = \"Honor every KNOWN-HAZARDS invariant\"\r\nrequired_stages = [\"impl\", \"unit\", \"int\"]  # int activated M3b-B9: the daemon E2E proves graceful signoff runs the echo-before-teardown ordering (3.3) and removes the Self's ready marker in the consolidated daemon\r\n\r\n# ───────────────────────────── Storage ──────────────────────────────────────\r\n# git-KV BranchStore substrate (ADR-0011, 2026-06-02; implement M4, optional M3c)\r\n[[requirements]]\r\nid = \"REQ-STORE-1\"\r\ntitle = \"spt-store::BranchStore (git branch as versioned KV; commit=checkpoint/tip=resume, atomic multi-key, merge-native sync) is the substrate for coarse/durable/audited state (context, registry snapshot+distribution, daemon checkpoint); hot paths (B5 fsync journal) + indexed queries (SQLite spool) excluded (ADR-0011)\"\r\nrequired_stages = [\"impl\", \"unit\"]  # activated M4-D6a: spt_store::branchstore::BranchStore — bare seed repo + linked worktrees (relative-path config, repair fallback), ensure_branch = parentless empty-tree seed (independent KV roots; sync joins with --allow-unrelated-histories at first contact), commit_in_worktree = ONE commit per write incl. atomic multi-key (no-op mints no empty checkpoint), tip/read_at_tip = the recovery read. Git-CLI-backed per ADR-0013 (bounded runner gitrun.rs, hazard 5.3; identity pinned via env, never user config). First consumer: contextstore.rs two-tier tracked/ layout (a-<id>/p-<project> branches) + project.rs project_id derivation (remote-URL slug → toplevel folder → dir name). unit = init-idempotent + commit/read/tip + no-op-no…\n\r\n# ───────────────────────────── Harness contract — manifest seams ────────────\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-1\"\r\ntitle = \"Per-adapter manifest with adapter_name and min_spt_core_version\"\r\nrequired_stages = [\"doc\", \"impl\", \"unit\"]\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-2\"\r\ntitle = \"Adapter profiles — sparse leaf-replace overlays (shipped + local), composite <adapter>:<profile> addressing, shadow-refusal, tighten-only consent floors\"\r\nrequired_stages = [\"doc\", \"impl\", \"unit\"]\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-3\"\r\ntitle = \"Adapter strings — [strings] KV tree, dot-path get-string resolving through the profile leaf-replace overlay, set-string editing a local profile's [strings] only; data-only (nothing executes a string)\"\r\nrequired_stages = [\"doc\", \"impl\", \"unit\"]  # activated 2026-06-12: M9-T2 (CONTEXT.md §adapter strings, adapter-string get/set CLI + overlay resolution)\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-4\"\r\ntitle = \"Keyword hints — [[hints]] {keywords (literal/regex), text}; spt api hint --session emits at most one matched hint per message, once per session (seen-set), declaration-order first match; profiles overlay [[hints]] by leaf-replace\"\r\nrequired_stages = [\"doc\", \"impl\", \"unit\"]  # activated 2026-06-12: M9-T3 (CONTEXT.md §keyword hints, api hint surface + per-session seen-set)\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-5\"\r\ntitle = \"File-backed adapter [strings] (M12-W3-T3.1): a [strings] dot-path value MAY be an inline-table FILE POINTER `key = { file = \\\"rel/path\\\" }` resolved to the file's contents at get-string time, keeping large bodies (skill-instructions, hint text) out of the manifest. A value-position table with a `file` key IS the pointer form (reserved — cannot double as data). Per-adapter aux storage `adapters/<adapter>/strings/`; pointers resolve relative to it with CONTAINMENT (reject `..`/absolute escaping the dir). UPDATE-SAFETY: a LOCAL profile's file-pointers resolve relative to the user-owned local-profile dir (NOT adapter-shipped strings/, which adapter updates overwrite), or the local profile inlines. Validate-at-register (fail-fast on a bad/escaping/missin…\nrequired_stages = [\"doc\", \"impl\", \"unit\"]  # activated M12-W3\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-6\"\r\ntitle = \"Cross-adapter fallback target addressing (M12-W3-T3.2): a cross-adapter fallback target is addressed as `<adapter>:<profile>` (not just a bare adapter_name), resolved through the one composite-addressing resolver (registry::resolve_option) at every adapter-option read site so a fallback may select a shipped/local profile (e.g. a `ccs` profile). CONTEXT.md §cross-adapter-fallback reconciled (\\\"ccs is a profile; cross-adapter fallback may target <adapter>:<profile>\\\"). Contract-only this milestone: the node-wide fallback SETTING + its rate-limit invocation are deferred to the consuming milestone (the runtime path does not exist yet); this REQ guarantees the ADDRESSING resolves.\"\r\nrequired_stages = [\"doc\", \"unit\"]  # activated M12-W3 (contract-only: no int)\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-7\"\r\ntitle = \"Adapter-declared shortcut basename (M12-W2 follow-on): an optional `[adapter] shortcut_basename` manifest field names the basename the picker bakes into the generated `<basename>-<id>` launcher shortcut (REQ-RUN-SHORTCUT). Absent ⇒ the harness-agnostic default `spt` (→ `spt-<id>`); an adapter sets it to brand its shortcuts (claude-spt → `cc` → `cc-<id>`), so the Claude-Code-ness lives in the PUBLISHED adapter manifest, never hardcoded in spt-core. The picker reads it from the RESOLVED manifest of the selected adapter (registry::resolve_option), falling back to `spt` when absent/empty/unresolvable. Additive + N-1-safe (serde-default Option, omitted from serialization when absent; old manifests parse clean); manifest.schema.json regenerated from the d…","truncated":true,"truncatedBy":"lines","totalLines":7566,"totalBytes":9558,"outputLines":93,"outputBytes":9558,"lastLinePartial":false,"firstLineExceedsLimit":false},"totalLines":7566,"displayContent":{"text":"# traceable-reqs manifest for spt-core — SEED.\r\n#\r\n# Authoritative requirement registry: every PRD R-* requirement and every\r\n# KNOWN-HAZARDS invariant lives here as a REQ-* id (see docs/TRACEABILITY.md\r\n# for the development contract).\r\n#\r\n# ACTIVATION MODEL: every requirement starts inactive (`required_stages = []`)\r\n# so `check` stays green pre-code. A milestone (M0-M5) ACTIVATES its requirements\r\n# by setting their real `required_stages`. Validate this seed against the\r\n# installed CLI at M0 (the binary isn't installed yet).\r\n\r\n[scan]\r\n# CONTEXT.md is a file root: the glossary is authoritative for meaning and\r\n# carries doc-stage tags (e.g. §Installation). installer/ added M6-D2.\r\nroots = [\"src\", \"tests\", \"docs\", \"crates\", \"installer\", \"CONTEXT.md\", \"docs-site\", \".github\"]\r\n\r\n[policy]\r\n# Default policy applied at activation: doc + impl + unit. Networking/lifecycle\r\n# reqs add \"int\". Until a req is activated, its per-req `required_stages = []`\r\n# keeps it out of the coverage gate.\r\nrequired_stages = []\r\n\r\n# ───────────────────────────── Architecture / workspace ─────────────────────\r\n[[requirements]]\r\nid = \"REQ-ARCH-1\"\r\ntitle = \"Many small acyclically-layered crates\"\r\nrequired_stages = [\"impl\"]  # activated M0: spt-proto<-spt-store one-way layering (T14). impl-only: architecture is build-evidenced (cargo rejects cycles); grows as crates are added M1+.\r\n[[requirements]]\r\nid = \"REQ-ARCH-2\"\r\ntitle = \"Public SDK surface is spt-proto, spt-runtime, spt-msg\"\r\nrequired_stages = [\"impl\"]\r\n[[requirements]]\r\nid = \"REQ-ARCH-3\"\r\ntitle = \"Wire-protocol version independent of crate semver, N-1 compat window\"\r\nrequired_stages = [\"impl\", \"unit\"]  # activated M0: spt-proto wire version + compat window (T6)\r\n[[requirements]]\r\nid = \"REQ-ARCH-4\"\r\ntitle = \"Copy-verbatim the commodity layer from the sister project\"\r\nrequired_stages = [\"impl\", \"unit\"]  # activated M0: spt-proto EVENT grammar (T2)\r\n\r\n# ───────────────────────────── Daemon ───────────────────────────────────────\r\n[[requirements]]\r\nid = \"REQ-DAEMON-1\"\r\ntitle = \"One per-machine spt-daemon owning all per-machine state\"\r\nrequired_stages = [\"impl\", \"unit\", \"int\"]  # int activated M3b-B9: the daemon E2E (spawn→Psyche-loop→commune→brain-restart-survives→graceful-signoff) drives the consolidated daemon-hosted lifecycle through the real IPC\r\n[[requirements]]\r\nid = \"REQ-DAEMON-2\"\r\ntitle = \"Broker/brain split for seamless self-update\"\r\nrequired_stages = [\"impl\", \"unit\", \"int\"]  # int RE-POINTED at restoration D7-1 (ADR-0018 V5) to the PROCESS-level survival E2E (crates/spt/tests/brain_survive.rs: broker/brain split delivers the seamless update at the process level — a brain-PROCESS restart onto a swapped binary, PTY child + QUIC conn held). Was M3b-B9 daemon_e2e + handoff.rs (the in-process handoff shape — regression-masked per ADR-0018); those tags removed in the same D7-1 commit. The net-ownership facet (netbroker.rs) stays distinct evidence\r\n[[requirements]]\r\nid = \"REQ-DAEMON-3\"\r\ntitle = \"Any api invocation auto-starts the daemon if absent\"\r\nrequired_stages = [\"impl\", \"unit\", \"int\"]\r\n[[requirements]]\r\nid = \"REQ-DAEMON-4\"\r\ntitle = \"Honor every KNOWN-HAZARDS invariant\"\r\nrequired_stages = [\"impl\", \"unit\", \"int\"]  # int activated M3b-B9: the daemon E2E proves graceful signoff runs the echo-before-teardown ordering (3.3) and removes the Self's ready marker in the consolidated daemon\r\n\r\n# ───────────────────────────── Storage ──────────────────────────────────────\r\n# git-KV BranchStore substrate (ADR-0011, 2026-06-02; implement M4, optional M3c)\r\n[[requirements]]\r\nid = \"REQ-STORE-1\"\r\ntitle = \"spt-store::BranchStore (git branch as versioned KV; commit=checkpoint/tip=resume, atomic multi-key, merge-native sync) is the substrate for coarse/durable/audited state (context, registry snapshot+distribution, daemon checkpoint); hot paths (B5 fsync journal) + indexed queries (SQLite spool) excluded (ADR-0011)\"\r\nrequired_stages = [\"impl\", \"unit\"]  # activated M4-D6a: spt_store::branchstore::BranchStore — bare seed repo + linked worktrees (relative-path config, repair fallback), ensure_branch = parentless empty-tree seed (independent KV roots; sync joins with --allow-unrelated-histories at first contact), commit_in_worktree = ONE commit per write incl. atomic multi-key (no-op mints no empty checkpoint), tip/read_at_tip = the recovery read. Git-CLI-backed per ADR-0013 (bounded runner gitrun.rs, hazard 5.3; identity pinned via env, never user config). First consumer: contextstore.rs two-tier tracked/ layout (a-<id>/p-<project> branches) + project.rs project_id derivation (remote-URL slug → toplevel folder → dir name). unit = init-idempotent + commit/read/tip + no-op-no…\n\r\n# ───────────────────────────── Harness contract — manifest seams ────────────\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-1\"\r\ntitle = \"Per-adapter manifest with adapter_name and min_spt_core_version\"\r\nrequired_stages = [\"doc\", \"impl\", \"unit\"]\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-2\"\r\ntitle = \"Adapter profiles — sparse leaf-replace overlays (shipped + local), composite <adapter>:<profile> addressing, shadow-refusal, tighten-only consent floors\"\r\nrequired_stages = [\"doc\", \"impl\", \"unit\"]\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-3\"\r\ntitle = \"Adapter strings — [strings] KV tree, dot-path get-string resolving through the profile leaf-replace overlay, set-string editing a local profile's [strings] only; data-only (nothing executes a string)\"\r\nrequired_stages = [\"doc\", \"impl\", \"unit\"]  # activated 2026-06-12: M9-T2 (CONTEXT.md §adapter strings, adapter-string get/set CLI + overlay resolution)\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-4\"\r\ntitle = \"Keyword hints — [[hints]] {keywords (literal/regex), text}; spt api hint --session emits at most one matched hint per message, once per session (seen-set), declaration-order first match; profiles overlay [[hints]] by leaf-replace\"\r\nrequired_stages = [\"doc\", \"impl\", \"unit\"]  # activated 2026-06-12: M9-T3 (CONTEXT.md §keyword hints, api hint surface + per-session seen-set)\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-5\"\r\ntitle = \"File-backed adapter [strings] (M12-W3-T3.1): a [strings] dot-path value MAY be an inline-table FILE POINTER `key = { file = \\\"rel/path\\\" }` resolved to the file's contents at get-string time, keeping large bodies (skill-instructions, hint text) out of the manifest. A value-position table with a `file` key IS the pointer form (reserved — cannot double as data). Per-adapter aux storage `adapters/<adapter>/strings/`; pointers resolve relative to it with CONTAINMENT (reject `..`/absolute escaping the dir). UPDATE-SAFETY: a LOCAL profile's file-pointers resolve relative to the user-owned local-profile dir (NOT adapter-shipped strings/, which adapter updates overwrite), or the local profile inlines. Validate-at-register (fail-fast on a bad/escaping/missin…\nrequired_stages = [\"doc\", \"impl\", \"unit\"]  # activated M12-W3\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-6\"\r\ntitle = \"Cross-adapter fallback target addressing (M12-W3-T3.2): a cross-adapter fallback target is addressed as `<adapter>:<profile>` (not just a bare adapter_name), resolved through the one composite-addressing resolver (registry::resolve_option) at every adapter-option read site so a fallback may select a shipped/local profile (e.g. a `ccs` profile). CONTEXT.md §cross-adapter-fallback reconciled (\\\"ccs is a profile; cross-adapter fallback may target <adapter>:<profile>\\\"). Contract-only this milestone: the node-wide fallback SETTING + its rate-limit invocation are deferred to the consuming milestone (the runtime path does not exist yet); this REQ guarantees the ADDRESSING resolves.\"\r\nrequired_stages = [\"doc\", \"unit\"]  # activated M12-W3 (contract-only: no int)\r\n[[requirements]]\r\nid = \"REQ-MANIFEST-7\"\r\ntitle = \"Adapter-declared shortcut basename (M12-W2 follow-on): an optional `[adapter] shortcut_basename` manifest field names the basename the picker bakes into the generated `<basename>-<id>` launcher shortcut (REQ-RUN-SHORTCUT). Absent ⇒ the harness-agnostic default `spt` (→ `spt-<id>`); an adapter sets it to brand its shortcuts (claude-spt → `cc` → `cc-<id>`), so the Claude-Code-ness lives in the PUBLISHED adapter manifest, never hardcoded in spt-core. 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{"type":"message","id":"b4ae0789","parentId":"490e3443","timestamp":"2026-09-09T23:55:01.682Z","message":{"role":"toolResult","toolCallId":"call_RViZb7dlp6YUgnyUJ1ih5NYS|fc_0ea187522e3f208f016aa1f1d572bc87d2a9908136817b7a0e","toolName":"grep","content":[{"type":"text","text":"# .worktrees/285-zombie/crates/\n\n## spt-daemon/src/\n### broker.rs#0038\n 4072:/// session, plus its gapless-resume output log.\n*4073:struct HostedSession {\n 4074:    /// The PTY + child (PTY master/writer + spawned child process).\n 4075:    session: Arc<PtySession>,\n 4076:    /// The session's dedicated PTY input-writer (v0.13.0 P0,\n...\n 4117:    // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n*4118:    spawned_at: Instant,\n 4119:}\n 4120:\n 4121:/// One record queued to a session's dedicated PTY input-writer thread — the raw\n...\n 5934:        // Round-4: the send half is owned by the bounded/cancelable conn\n*5935:        // primitive from birth — every write on this physical connection is\n 5936:        // deadline-bounded, and a wedge poisons + retires the conn.\n 5937:        // [impl->REQ-HAZARD-SHAREDSEND-NO-BLOCKING-WRITE-UNDER-LOCK]\n 5938:        let send: SharedSend = Arc::new(BrokerConn::new(send, brain_write_deadline()));\n...\n 8504:            id,\n*8505:            HostedSession {\n 8506:                session,\n 8507:                input,\n 8508:                drain,\n...\n 8515:                install_dir: req.install_dir.clone().map(std::path::PathBuf::from),\n*8516:                spawned_at: Instant::now(),\n 8517:            },\n 8518:        );\n 8519:        // The row exists, so the in-flight ledger has nothing left to say about\n### servicehost.rs#03F2\n 544:/// with; exactly on unix, where case is significant.\n*545:fn same_image(a: &Path, b: &Path) -> bool {\n 546:    if cfg!(windows) {\n 547:        a.to_string_lossy()\n 548:            .eq_ignore_ascii_case(&b.to_string_lossy())\n...\n 647:    // The pid is live. WHO is it? The image path decides — never the number.\n*648:    let live_image = spt_store::proc::exe_path(pid);\n 649:    let outcome = match (parked_image, live_image) {\n*650:        (Some(parked), Some(live)) if same_image(&parked, &live) => {\n 651:            spt_store::proc::kill_pid(pid);\n 652:            // Rule 2: a FRESH read, taken after the kill. The pre-kill read is\n 653:            // spent — it described a world this call just changed. Termination\n...\n 788:        // leave its successor something path-verifiable to reap.\n*789:        let image = spt_store::proc::exe_path(child.pid());\n 790:        park_identity(service_dir, child.pid(), image.as_deref());\n 791:        spt_proto::emit_line_err!(\"SERVICE_STARTED:{option}: pid {} ({program})\", child.pid());\n 792:\n...\n 2506:        // a dead daemon's orphan, which nobody holds a handle to.\n*2507:        let image = spt_store::proc::exe_path(pid);\n 2508:        assert!(image.is_some(), \"the image oracle must answer for our own child\");\n 2509:        park_identity(tmp.path(), pid, image.as_deref());\n 2510:        drop(child);\n\n## spt-store/src/\n### proc.rs#0F4B\n 9:// `[build-dependencies]` and the build-cache pool guard needs this exact\n*10:// predicate — duplicating a pid+birth liveness probe would put a second source\n 11:// under the hazard the first one exists for. Re-exported rather than wrapped so\n 12:// every call site, every doc link and every test in this crate is untouched and\n 13:// `spt_store::proc::process_identity` still resolves.\n...\n 457:pub fn exe_basename(pid: u32) -> Option<String> {\n*458:    exe_path(pid).and_then(|p| p.file_name().map(|s| s.to_string_lossy().into_owned()))\n 459:}\n 460:\n 461:/// The FULL image path of process `pid` — the same OS query [`exe_basename`]\n...\n 471:// [impl->REQ-RESIDENT-SERVICE]\n*472:pub fn exe_path(pid: u32) -> Option<std::path::PathBuf> {\n 473:    if pid == 0 {\n 474:        return None; // never a probe-able process (see is_process_alive)\n 475:    }\n...\n 779:    // it. It composes table-presence with a start-time read, and `/proc` answers\n*780:    // both for a zombie — so before this it reported `Present(our_own_birth)`,\n 781:    // which passes the custody pair test and reads HELD for a corpse. Every\n 782:    // consumer that asks \"is this recorded process still ours\" then answers YES\n 783:    // forever on Linux: relay-death convergence never fires, and the endpoint\n...\n 794:        let pid = child.id();\n*795:        // The birth reading a live record would have stored — taken while the\n 796:        // child is still resolvable, so the pair test has something to match and\n*797:        // \"Gone\" cannot come from a missing birth.\n*798:        let birth = process_started_at(pid);\n 799:        // NOT REAPING IS THE POINT — do not \"fix\" this leak. An unreaped child of\n 800:        // a living parent IS the field shape (a relay whose owner outlives it),\n 801:        // and it is the only way to hold a process in Z long enough to ask the\n...\n 819:        assert!(\n*820:            birth.is_some(),\n*821:            \"the rig must have read a real birth for the pair test to be exercised\"\n 822:        );\n 823:\n 824:        assert_eq!(\n...\n 826:            ProcIdentity::Absent,\n*827:            \"THE FIX: a zombie is not a Present identity. Present(birth) here \\\n 828:             matches the record and reads HELD over a dead process\"\n 829:        );\n 830:        assert_eq!(\n*831:            crate::liveness::relay_liveness(Some(pid), birth),\n 832:            crate::liveness::RelayLiveness::Gone,\n 833:            \"and the relay verdict built on it converges instead of holding\"\n 834:        );\n\n## spt-term/src/\n### pty.rs#FFD6\n 34:/// [`PtySession::wait`] / [`PtySession::kill`].\n*35:pub struct PtySession {\n 36:    /// The master end, behind a lock so `resize` never races the reader (Spike #5).\n 37:    master: Mutex<Box<dyn MasterPty + Send>>,\n 38:    /// The single PTY writer, shared so the A2 drain thread can answer DSR.\n...\n 50:\n*51:impl PtySession {\n 52:    /// Spawn `cmd` under a fresh native PTY sized to `size`.\n 53:    ///\n 54:    /// The slave end is dropped immediately after the child is spawned: the\n...\n 234:// [impl->REQ-TERM-1]\n*235:impl SessionSurface for PtySession {\n 236:    fn write_input(&self, bytes: &[u8]) -> Result<(), SurfaceError> {\n 237:        let mut w = self.writer.lock().unwrap();\n 238:        w.write_all(bytes).map_err(SurfaceError::Io)?;\n### reader.rs#B80F\n 245:\n*246:impl PtySession {\n 247:    /// Start draining this surface's output on a background thread, answering\n 248:    /// ConPTY's DSR query (fixed `1;1` — no cursor authority here) and\n 249:    /// forwarding every non-query byte to `sink`. Takes the master reader\n### stream.rs#99B5\n 63:\n*64:impl PtySession {\n 65:    /// Stream this surface's output through a bounded channel of `capacity`\n 66:    /// chunks. `capacity == 0` is a rendezvous channel (maximum backpressure:\n 67:    /// every chunk blocks until the consumer takes it)."}],"details":{"scopePath":".worktrees/285-zombie/crates/spt-daemon/src/broker.rs, .worktrees/285-zombie/crates/spt-daemon/src/servicehost.rs, .worktrees/285-zombie/crates/spt-daemon/src/livehost.rs, .worktrees/285-zombie/crates/spt-store/src/proc.rs, .worktrees/285-zombie/crates/spt-term/src","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":26,"fileCount":6,"files":[".worktrees/285-zombie/crates/spt-daemon/src/broker.rs",".worktrees/285-zombie/crates/spt-daemon/src/servicehost.rs",".worktrees/285-zombie/crates/spt-store/src/proc.rs",".worktrees/285-zombie/crates/spt-term/src/pty.rs",".worktrees/285-zombie/crates/spt-term/src/reader.rs",".worktrees/285-zombie/crates/spt-term/src/stream.rs"],"fileMatches":[{"path":".worktrees/285-zombie/crates/spt-daemon/src/broker.rs","count":5},{"path":".worktrees/285-zombie/crates/spt-daemon/src/servicehost.rs","count":5},{"path":".worktrees/285-zombie/crates/spt-store/src/proc.rs","count":11},{"path":".worktrees/285-zombie/crates/spt-term/src/pty.rs","count":3},{"path":".worktrees/285-zombie/crates/spt-term/src/reader.rs","count":1},{"path":".worktrees/285-zombie/crates/spt-term/src/stream.rs","count":1}],"truncated":false,"displayContent":"# .worktrees/285-zombie/crates/\n\n## spt-daemon/src/\n### broker.rs#0038\n 4072│/// session, plus its gapless-resume output log.\n*4073│struct HostedSession {\n 4074│    /// The PTY + child (PTY master/writer + spawned child process).\n 4075│    session: Arc<PtySession>,\n 4076│    /// The session's dedicated PTY input-writer (v0.13.0 P0,\n     │...\n 4117│    // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n*4118│    spawned_at: Instant,\n 4119│}\n 4120│\n 4121│/// One record queued to a session's dedicated PTY input-writer thread — the raw\n     │...\n 5934│        // Round-4: the send half is owned by the bounded/cancelable conn\n*5935│        // primitive from birth — every write on this physical connection is\n 5936│        // deadline-bounded, and a wedge poisons + retires the conn.\n 5937│        // [impl->REQ-HAZARD-SHAREDSEND-NO-BLOCKING-WRITE-UNDER-LOCK]\n 5938│        let send: SharedSend = Arc::new(BrokerConn::new(send, brain_write_deadline()));\n     │...\n 8504│            id,\n*8505│            HostedSession {\n 8506│                session,\n 8507│                input,\n 8508│                drain,\n     │...\n 8515│                install_dir: req.install_dir.clone().map(std::path::PathBuf::from),\n*8516│                spawned_at: Instant::now(),\n 8517│            },\n 8518│        );\n 8519│        // The row exists, so the in-flight ledger has nothing left to say about\n### servicehost.rs#03F2\n  544│/// with; exactly on unix, where case is significant.\n *545│fn same_image(a: &Path, b: &Path) -> bool {\n  546│    if cfg!(windows) {\n  547│        a.to_string_lossy()\n  548│            .eq_ignore_ascii_case(&b.to_string_lossy())\n     │...\n  647│    // The pid is live. WHO is it? The image path decides — never the number.\n *648│    let live_image = spt_store::proc::exe_path(pid);\n  649│    let outcome = match (parked_image, live_image) {\n *650│        (Some(parked), Some(live)) if same_image(&parked, &live) => {\n  651│            spt_store::proc::kill_pid(pid);\n  652│            // Rule 2: a FRESH read, taken after the kill. The pre-kill read is\n  653│            // spent — it described a world this call just changed. Termination\n     │...\n  788│        // leave its successor something path-verifiable to reap.\n *789│        let image = spt_store::proc::exe_path(child.pid());\n  790│        park_identity(service_dir, child.pid(), image.as_deref());\n  791│        spt_proto::emit_line_err!(\"SERVICE_STARTED:{option}: pid {} ({program})\", child.pid());\n  792│\n     │...\n 2506│        // a dead daemon's orphan, which nobody holds a handle to.\n*2507│        let image = spt_store::proc::exe_path(pid);\n 2508│        assert!(image.is_some(), \"the image oracle must answer for our own child\");\n 2509│        park_identity(tmp.path(), pid, image.as_deref());\n 2510│        drop(child);\n\n## spt-store/src/\n### proc.rs#0F4B\n   9│// `[build-dependencies]` and the build-cache pool guard needs this exact\n *10│// predicate — duplicating a pid+birth liveness probe would put a second source\n  11│// under the hazard the first one exists for. Re-exported rather than wrapped so\n  12│// every call site, every doc link and every test in this crate is untouched and\n  13│// `spt_store::proc::process_identity` still resolves.\n    │...\n 457│pub fn exe_basename(pid: u32) -> Option<String> {\n*458│    exe_path(pid).and_then(|p| p.file_name().map(|s| s.to_string_lossy().into_owned()))\n 459│}\n 460│\n 461│/// The FULL image path of process `pid` — the same OS query [`exe_basename`]\n    │...\n 471│// [impl->REQ-RESIDENT-SERVICE]\n*472│pub fn exe_path(pid: u32) -> Option<std::path::PathBuf> {\n 473│    if pid == 0 {\n 474│        return None; // never a probe-able process (see is_process_alive)\n 475│    }\n    │...\n 779│    // it. It composes table-presence with a start-time read, and `/proc` answers\n*780│    // both for a zombie — so before this it reported `Present(our_own_birth)`,\n 781│    // which passes the custody pair test and reads HELD for a corpse. Every\n 782│    // consumer that asks \"is this recorded process still ours\" then answers YES\n 783│    // forever on Linux: relay-death convergence never fires, and the endpoint\n    │...\n 794│        let pid = child.id();\n*795│        // The birth reading a live record would have stored — taken while the\n 796│        // child is still resolvable, so the pair test has something to match and\n*797│        // \"Gone\" cannot come from a missing birth.\n*798│        let birth = process_started_at(pid);\n 799│        // NOT REAPING IS THE POINT — do not \"fix\" this leak. An unreaped child of\n 800│        // a living parent IS the field shape (a relay whose owner outlives it),\n 801│        // and it is the only way to hold a process in Z long enough to ask the\n    │...\n 819│        assert!(\n*820│            birth.is_some(),\n*821│            \"the rig must have read a real birth for the pair test to be exercised\"\n 822│        );\n 823│\n 824│        assert_eq!(\n    │...\n 826│            ProcIdentity::Absent,\n*827│            \"THE FIX: a zombie is not a Present identity. Present(birth) here \\\n 828│             matches the record and reads HELD over a dead process\"\n 829│        );\n 830│        assert_eq!(\n*831│            crate::liveness::relay_liveness(Some(pid), birth),\n 832│            crate::liveness::RelayLiveness::Gone,\n 833│            \"and the relay verdict built on it converges instead of holding\"\n 834│        );\n\n## spt-term/src/\n### pty.rs#FFD6\n  34│/// [`PtySession::wait`] / [`PtySession::kill`].\n *35│pub struct PtySession {\n  36│    /// The master end, behind a lock so `resize` never races the reader (Spike #5).\n  37│    master: Mutex<Box<dyn MasterPty + Send>>,\n  38│    /// The single PTY writer, shared so the A2 drain thread can answer DSR.\n    │...\n  50│\n *51│impl PtySession {\n  52│    /// Spawn `cmd` under a fresh native PTY sized to `size`.\n  53│    ///\n  54│    /// The slave end is dropped immediately after the child is spawned: the\n    │...\n 234│// [impl->REQ-TERM-1]\n*235│impl SessionSurface for PtySession {\n 236│    fn write_input(&self, bytes: &[u8]) -> Result<(), SurfaceError> {\n 237│        let mut w = self.writer.lock().unwrap();\n 238│        w.write_all(bytes).map_err(SurfaceError::Io)?;\n### reader.rs#B80F\n 245│\n*246│impl PtySession {\n 247│    /// Start draining this surface's output on a background thread, answering\n 248│    /// ConPTY's DSR query (fixed `1;1` — no cursor authority here) and\n 249│    /// forwarding every non-query byte to `sink`. Takes the master reader\n### stream.rs#99B5\n 63│\n*64│impl PtySession {\n 65│    /// Stream this surface's output through a bounded channel of `capacity`\n 66│    /// chunks. `capacity == 0` is a rendezvous channel (maximum backpressure:\n 67│    /// every chunk blocks until the consumer takes it)."},"isError":false,"timestamp":1788998101681}}
{"type":"message","id":"5d671fa0","parentId":"b4ae0789","timestamp":"2026-09-09T23:55:01.702Z","message":{"role":"toolResult","toolCallId":"call_k7rwaF5UQ1kB4VIkBM4Ii4iv|fc_0ea187522e3f208f016aa1f1d572d087d2ac21c3e1001be5b2","toolName":"grep","content":[{"type":"text","text":"# .worktrees/285-zombie/\n## traceable-reqs.toml#89CE\n 1474:title = \"spt-hosted idle message delivery via an adapter TRANSLATION BINARY (ADR-0022). New opt-in manifest section `[message-idle-translation-binary]` = a TABLE carrying a `path` scalar (doyle OPT-B ruling: modeled as a table, not a bare top-level scalar, so a preceding section cannot silently absorb it + N+1 extensible; spt-core does NOT deny_unknown_fields, so a future key degrades gracefully); spt-core LIFECYCLE-manages it (spawn when the endpoint comes up, terminate when it goes down). The binary is...\n*1475:required_stages = [\"doc\", \"impl\", \"unit\", \"int\"]  # ACTIVATED v0.13.0 W2 (todlando) — all layers landed. Layers A(@c73eb6a)+B(@611205c)+D(@7166f52)+C-kernel(@79f5a40)+C-proper/E(@f9fe5bb)+G(int). impl = translation.rs (ToBinary/KeyCmd/key_to_bytes/TranslationChild/InjectFloor) + broker.rs (Translation/run_inject_worker/flush_inject_floor/fault_translation + dispatch_spawn bring-up + dispatch_input floor-buffer&ping + dispatch_endpoint_input event routing); unit = translation.rs (wire round-trips, conte...\n 1476:\n 1477:# ── v0.14.3: raw-inject REMOVED — a no-working-binary idle delivery SPOOLS, never a silent pseudo-write ──\n 1478:[[requirements]]\n...\n 1497:id = \"REQ-ADAPTER-TRANSLATE-PROOF\"\n*1498:title = \"`spt adapter translate-proof <adapter> --event <envelope> [--session <id>]` — the author-time EMIT-half proof tool for `[message-idle-translation-binary]` (ADR-0022), symmetric to `spt adapter digest-proof` (REQ-TERM-5). It spawns and feeds the adapter's declared translation binary EXACTLY as the daemon does at idle-delivery — running the REAL `spt_daemon::translation` driver VERBATIM (no protocol reimplementation): `TranslationChild::spawn` the binary, send the `{type:\\\"init\\\",endpoint_id,n...\n 1499:required_stages = [\"doc\", \"impl\", \"unit\", \"int\"]\n 1500:\n 1501:# ── W3: a fresh spt-hosted endpoint shows under its own project (info.cwd on bind) ──\n...\n 2819:id = \"REQ-REST-TERMINAL-NORMALIZE\"\n*2820:title = \"REGISTRY-LIFECYCLE W2 (ADR-0041 decision 3, rest-normalize P0): definitive hosted-session loss normalizes TERMINALLY and ATOMICALLY — one store-level mutation writes status=offline + rest_state=suspended + clears dormant_since_ms in the SAME info.json write, invoked at authoritative broker-session-loss/liveness-reap + cmd_stop. NOT daemon_rest_event(Suspend) (no edge when effective already Suspended — raw Active intent survives); NOT reader-side blanket offline-implies-suspended (destroys ex...\n 2821:required_stages = [\"doc\",\"impl\",\"unit\",\"int\"]  # W2 ACTIVATED at build start (todlando 2026-07-17).\n 2822:\n 2823:[[requirements]]\n...\n 2838:[[requirements]]\n*2839:id = \"REQ-ENDPOINT-CYCLE-HONEST\"\n*2840:title = \"REGISTRY-LIFECYCLE W3 (ADR-0041 decision 6, operator deployah stop/run wedge): cycle verbs share ONE liveness authority — the ALREADY_LIVE dup-guard liveness-probes the claimed session client tree before refusing (dead tree means reap + respawn honestly, never a refusal citing a zombie); the shutdown state machine consults the same source so is-it-live has one answer (no ALREADY_LIVE / list-OFFLINE / shutdown-NO_EDGE three-way contradiction on the same endpoint). Gate: impl — probing dup-gua...\n 2841:required_stages = [\"doc\",\"impl\",\"unit\",\"int\"]  # W3 ACTIVATED at build start (todlando 2026-07-17).\n 2842:\n 2843:[[requirements]]\n...\n 2849:id = \"REQ-RC-HONEST-SESSION-AUTHORITY\"\n*2850:title = \"RC-RENDER-TRUTH W1 (ADR-0042 decision 1, hertz perri-contradiction RCA): normal `spt rc` consults the ADR-0041 single honest-session authority BEFORE the persisted-offline fast-fail — run the bounded SessionProbe::has_live_session_honest gate; honest session exists means attach via run_attach_session_confirmed regardless of persisted status; no honest session means the existing offline refusal stands; claimed session with dead client tree means refusal/reap, NEVER attach. Reuse SessionProbe ...\n 2851:required_stages = [\"doc\",\"impl\",\"unit\",\"int\"]  # W1 ACTIVATED at build start (todlando 2026-07-18).\n 2852:\n 2853:[[requirements]]\n...\n 2869:id = \"REQ-HAZARD-RC-ATTACH-TRUTH\"\n*2870:title = \"RC-RENDER-TRUTH W1 (KNOWN-HAZARDS 7.46 — umbrella conformance seam for ADR-0042): an rc surface answers from live session authority, never a stale persisted projection; a resuming perch is UNBOUND, not offline. Regression matrix from the hertz RCAs + operator field recovery: offline-row-over-honest-session attaches; offline-no-session refuses; zombie refuses/reaps never attaches; resume-never-bound reads UNBOUND and is attachable; harness-only refuses truthfully pre-stream; qualified targets a...\n 2871:required_stages = [\"doc\",\"int\"]  # W1 ACTIVATED at build start (todlando 2026-07-18).\n 2872:\n 2873:[[requirements]]\n...\n 2904:id = \"REQ-CONTROLLER-LEASE-IDENTITY\"\n*2905:title = \"RC-RENDER-TRUTH W2 (ADR-0044 decisions 1+2, hertz same-machine --take split-brain RCA P0-A/B, doyle seam-verified broker.rs resolve_subscribe 1296-1318 + 1334-1347): each rc invocation/attach stream mints a UNIQUE controller lease id carried through SubscribeReq, the controller slot, and Input/Resize; node identity stays separate as attribution/access policy only. The ONLY silent successor/replay case is same-lease + equal-or-newer generation (ADR-0038 fix-6 dispatcher-recovery contract preserve...\n 2906:required_stages = [\"doc\",\"impl\",\"unit\",\"int\"]  # W2 ACTIVATED at build start (todlando 2026-07-18).\n 2907:\n 2908:[[requirements]]\n...\n 2993:id = \"REQ-LIVENESS-ORACLE-SOUND\"\n*2994:title = \"TEARDOWN-AUTHORITY W2 (todlando W1 gate-round-0 finding, doyle-scoped from the LANDED W1 code 2026-07-19): 'does this pid still exist' has ONE answer in spt-core and it is derived from the OS process table. TODAY spt-daemon/src/broker.rs session_is_zombie computes wrapper_alive from spt_store::proc::is_process_alive, which probes OpenProcess on Windows — and OpenProcess keeps SUCCEEDING for a TERMINATED process while any parent holds an open handle, which the broker ALWAYS does (Arc<PtySession...\n 2995:required_stages = [\"doc\", \"impl\", \"unit\", \"int\"]\n 2996:\n 2997:# --- Added 2026-07-21: flynn spt-alchemy clean-room audit — shell adapter contract gaps (doyle code-verified both same day, BOTH ACCEPTED; operator-ruled MINI-WAVE immediately after v0.39.1 published; rule 3: register before satisfying) ---\n...\n 3250:id = \"REQ-RESIDENT-SERVICE\"\n*3251:title = \"ResidentService substrate (ADR-0049, design ratified 2026-07-26): a daemon-supervised binary an adapter declares via a `[service]` manifest section — core-owned from birth, NO perch/identity/address. SPAWN: the daemon launches it job-neutrally (detached_no_inherit + the cold-start ladder posture), so it is never a shell's child (`/T` tree-kill cannot reach it; the shell-descendant hazard class of REQ-SHELL-ADAPTER-OWNED-DETACHED-SERVICE never arises) and never inside a launching terminal's Job...\n 3252:required_stages = [\"doc\", \"impl\", \"unit\", \"int\"]  # rule 5: ACTIVATED 2026-07-26 (RESIDENT-SERVICE W1, builder todlando) — this milestone takes substrate delivery. doc = docs/MANIFEST.md `[service]` section + the `spt adapter service` verb group's public help (drift-gated regen; no internal codes per the xtask gate). impl = `[service]` manifest parsing + `servicehost.rs` (job-neutral spawn through the REQ-INSTALL-11 helper, child-handle-derived liveness, HOLD, quiesce marker + grace + force-kill, START...\n 3253:\n 3254:# --- Minted 2026-07-26 (doyle) from the psyche spend-limit RCA (hertz's tracer capture;\n...\n 3326:# dead-owner re-pin (SESSION_REPIN fires, live-owner squat guard refuses), F-034 shape 4\n*3327:# childless-zombie shim (defunct-session verdict + reap-on-create, no false CONFLICT).\n 3328:# Rule 3: register before satisfying; rule 5: per-wave activation — W1 fix legs flip. ---\n 3329:[[requirements]]\n 3330:id = \"REQ-PID-ROLE-EVIDENCE\"\n...\n 4023:id = \"REQ-ER-BRINGUP-INFLIGHT-LEDGER\"\n*4024:title = \"THE BROKER RECORDS A BRING-UP WHEN IT STARTS ONE, and the reserved-id bind gate reads that record as well as the sessions table. The gate's premise is that the reserved id passes only as THE COMPLETION OF A BRING-UP THE BROKER STARTED (REQ-ER-RESERVED-ID-SPAWN-REFUSAL), but the only fact it can consult is the sessions table, which records COMPLETED-ness — so between the broker creating the harness child and the session row being inserted there is a window in which the broker's OWN spawned harn...\n 4025:required_stages = [\"impl\", \"unit\"]  # impl+unit ACTIVATED in the delivering commit (todlando build 2026-08-19), releases#199, doyle's (a-prime) ruling. No doc stage at mint: the ledger is broker-internal state with no operator-facing surface of its own — the surface it changes is the refusal SENTENCE, which doyle sequenced to ride AFTER this lands (with the ledger in place the circular-advice case dies with the fix and the sentence then names the in-flight state), so a doc stage here would pre-fail a s...\n 4026:\n 4027:# --- Added 2026-08-21 at PORTER W1 (releases#204, doyle's GO on the measured\n...\n 4191:id = \"REQ-ER-OFFLINE-BRINGUP-REACHABLE\"\n*4192:title = \"A CLEANLY-OFFLINE ENGINE ROOM IS STILL BRINGABLE THROUGH ITS OWN CEREMONY: for the engine-room endpoint class with a bring-up code in hand, the rc offline fast-fail must not preempt the bring-up dispatch, because cleanly-offline is precisely the state whose ratified entry path IS a bring-up. Field-reported (releases#142, operator): after a harness exit the operator's third `spt rc engine-room` answered 'offline — nothing to attach to' for the same verb that had brought the room up on the first...\n 4193:required_stages = [\"doc\", \"impl\", \"unit\"]  # ACTIVATED in the commit landing the evidence (todlando 2026-08-04, releases#142 F1, doyle's fix-lane ruling comment 5178249409). doc = the CONTEXT.md engine-room lifecycle sentence ratified at the 2026-08-04 bag grill — TAGGED, not re-authored, because the words are the grill's. impl = attach_gate's narrowing in crates/spt/src/rc.rs plus the two refusal-copy sweeps. unit = the attach_gate table rows, each carrying the offline-row value explicitly per hertz's...\n 4194:\n 4195:[[requirements]]\n...\n 4473:[[groups]]\n*4474:name = \"daemon-process-lifecycle\"\n 4475:requirements = [\n 4476:  \"REQ-BROKER-STOP-DENY-NAMES-BLAST\",\n 4477:  \"REQ-BROKER-STOP-ENDPOINT-DENY\",\n...\n 4558:  \"REQ-ENDPOINT-AUTOSTART\",\n*4559:  \"REQ-ENDPOINT-CYCLE-HONEST\",\n 4560:  \"REQ-ENDPOINT-LIST-PALETTE\",\n 4561:  \"REQ-ENDPOINT-LIST-RENDER-POLISH\",\n 4562:  \"REQ-ENDPOINT-LIST-REST-FILTER\",\n...\n 5412:[[groups]]\n*5413:name = \"span-adapter-harness-contract--stream-seat-lifecycle\"\n 5414:requirements = [\n 5415:  \"REQ-ATTACH-SEED-REQUEST-DOUBLE-SERVE\",\n 5416:  \"REQ-HAZARD-BROKER-SEED-WIRE-SKEW\",\n...\n 5451:[[groups]]\n*5452:name = \"span-brain-restart-resume--daemon-process-lifecycle\"\n 5453:requirements = [\n 5454:  \"REQ-DAEMON-RESTART-SELF-INTERRUPTION\",\n 5455:  \"REQ-HAZARD-BRAIN-RESPAWN-PATH\",\n...\n 5541:requirements = [\n*5542:  \"REQ-ENDPOINT-CYCLE-HONEST\",\n 5543:  \"REQ-ENDPOINT-ONLINE-TRUTH\",\n 5544:  \"REQ-HAZARD-DRIVEN-BY-IDLE-REMOTE-EVICT\",\n 5545:  \"REQ-HAZARD-HOSTED-LIVENESS-RECONCILE\",\n...\n 5604:[[groups]]\n*5605:name = \"span-cli-output-surface--daemon-process-lifecycle\"\n 5606:requirements = [\n 5607:  \"REQ-HAZARD-RC-EOF\",\n 5608:  \"REQ-RC-WIN-PASTE\",\n...\n 5720:[[groups]]\n*5721:name = \"span-cli-output-surface--stream-seat-lifecycle\"\n 5722:requirements = [\n 5723:  \"REQ-CLI-WIN-VT-ENABLE\",\n 5724:  \"REQ-DAEMON-5\",\n\n## docs/adr/\n### 0041-endpoint-lifecycle-truth.md#45D1\n 35:   and the shutdown state machine consult DIFFERENT liveness sources and contradict each\n*36:   other on the same zombie (deployah wedge: run says ALREADY_LIVE, list says OFFLINE,\n 37:   shutdown says NO_EDGE).\n 38:\n 39:## Decision\n...\n 76:   TOCTOU).\n*77:<!-- [doc->REQ-ENDPOINT-CYCLE-HONEST] -->\n 78:6. **One liveness authority for cycle verbs.** The ALREADY_LIVE dup-guard liveness-probes\n 79:   the claimed session's client tree before refusing (dead tree ⇒ reap + respawn\n 80:   honestly); the shutdown state machine consults the same source, so \"is it live\" has one\n...\n 86:  every death path, and stays there until an explicit wake or run — no resurrection loops,\n*87:  no zombie control latches, no immortal hybrid rows.\n 88:- `--create` becomes a contract: success ⇒ a fresh session exists; conflict ⇒ typed, loud,\n 89:  side-effect-free. Existing no-dup safety tests remain valid (they codify the dedup body\n 90:  this shares).\n...\n 100:`REQ-HAZARD-ENDPOINT-LIFECYCLE` (KH 7.45); W3: `REQ-SPAWN-FRESH-TRUTHFUL`,\n*101:`REQ-ENDPOINT-CYCLE-HONEST`.\n 102:\n 103:<!-- [doc->REQ-HOSTING-AUTHORITY-CONTROLLABLE] -->\n 104:## Amendment (RC-RENDER-TRUTH v0.38.1 leg 3, doyle ruling 2026-07-19): one hosting authority — the online-earn authority splits by hosting topology\n\n[Some lines truncated to 512 chars]"}],"details":{"scopePath":".worktrees/285-zombie/traceable-reqs.toml, .worktrees/285-zombie/CONTEXT.md, .worktrees/285-zombie/CHANGELOG.md, .worktrees/285-zombie/docs/adr/0041-endpoint-lifecycle-truth.md","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":24,"fileCount":2,"files":[".worktrees/285-zombie/traceable-reqs.toml",".worktrees/285-zombie/docs/adr/0041-endpoint-lifecycle-truth.md"],"fileMatches":[{"path":".worktrees/285-zombie/traceable-reqs.toml","count":20},{"path":".worktrees/285-zombie/docs/adr/0041-endpoint-lifecycle-truth.md","count":4}],"truncated":true,"perFileLimitReached":20,"displayContent":"# .worktrees/285-zombie/\n## traceable-reqs.toml#89CE\n 1474│title = \"spt-hosted idle message delivery via an adapter TRANSLATION BINARY (ADR-0022). New opt-in manifest section `[message-idle-translation-binary]` = a TABLE carrying a `path` scalar (doyle OPT-B ruling: modeled as a table, not a bare top-level scalar, so a preceding section cannot silently absorb it + N+1 extensible; spt-core does NOT deny_unknown_fields, so a future key degrades gracefully); spt-core LIFECYCLE-manages it (spawn when the endpoint comes up, terminate when it goes down). The binary is...\n*1475│required_stages = [\"doc\", \"impl\", \"unit\", \"int\"]  # ACTIVATED v0.13.0 W2 (todlando) — all layers landed. Layers A(@c73eb6a)+B(@611205c)+D(@7166f52)+C-kernel(@79f5a40)+C-proper/E(@f9fe5bb)+G(int). impl = translation.rs (ToBinary/KeyCmd/key_to_bytes/TranslationChild/InjectFloor) + broker.rs (Translation/run_inject_worker/flush_inject_floor/fault_translation + dispatch_spawn bring-up + dispatch_input floor-buffer&ping + dispatch_endpoint_input event routing); unit = translation.rs (wire round-trips, conte...\n 1476│\n 1477│# ── v0.14.3: raw-inject REMOVED — a no-working-binary idle delivery SPOOLS, never a silent pseudo-write ──\n 1478│[[requirements]]\n     │...\n 1497│id = \"REQ-ADAPTER-TRANSLATE-PROOF\"\n*1498│title = \"`spt adapter translate-proof <adapter> --event <envelope> [--session <id>]` — the author-time EMIT-half proof tool for `[message-idle-translation-binary]` (ADR-0022), symmetric to `spt adapter digest-proof` (REQ-TERM-5). It spawns and feeds the adapter's declared translation binary EXACTLY as the daemon does at idle-delivery — running the REAL `spt_daemon::translation` driver VERBATIM (no protocol reimplementation): `TranslationChild::spawn` the binary, send the `{type:\\\"init\\\",endpoint_id,n...\n 1499│required_stages = [\"doc\", \"impl\", \"unit\", \"int\"]\n 1500│\n 1501│# ── W3: a fresh spt-hosted endpoint shows under its own project (info.cwd on bind) ──\n     │...\n 2819│id = \"REQ-REST-TERMINAL-NORMALIZE\"\n*2820│title = \"REGISTRY-LIFECYCLE W2 (ADR-0041 decision 3, rest-normalize P0): definitive hosted-session loss normalizes TERMINALLY and ATOMICALLY — one store-level mutation writes status=offline + rest_state=suspended + clears dormant_since_ms in the SAME info.json write, invoked at authoritative broker-session-loss/liveness-reap + cmd_stop. NOT daemon_rest_event(Suspend) (no edge when effective already Suspended — raw Active intent survives); NOT reader-side blanket offline-implies-suspended (destroys ex...\n 2821│required_stages = [\"doc\",\"impl\",\"unit\",\"int\"]  # W2 ACTIVATED at build start (todlando 2026-07-17).\n 2822│\n 2823│[[requirements]]\n     │...\n 2838│[[requirements]]\n*2839│id = \"REQ-ENDPOINT-CYCLE-HONEST\"\n*2840│title = \"REGISTRY-LIFECYCLE W3 (ADR-0041 decision 6, operator deployah stop/run wedge): cycle verbs share ONE liveness authority — the ALREADY_LIVE dup-guard liveness-probes the claimed session client tree before refusing (dead tree means reap + respawn honestly, never a refusal citing a zombie); the shutdown state machine consults the same source so is-it-live has one answer (no ALREADY_LIVE / list-OFFLINE / shutdown-NO_EDGE three-way contradiction on the same endpoint). Gate: impl — probing dup-gua...\n 2841│required_stages = [\"doc\",\"impl\",\"unit\",\"int\"]  # W3 ACTIVATED at build start (todlando 2026-07-17).\n 2842│\n 2843│[[requirements]]\n     │...\n 2849│id = \"REQ-RC-HONEST-SESSION-AUTHORITY\"\n*2850│title = \"RC-RENDER-TRUTH W1 (ADR-0042 decision 1, hertz perri-contradiction RCA): normal `spt rc` consults the ADR-0041 single honest-session authority BEFORE the persisted-offline fast-fail — run the bounded SessionProbe::has_live_session_honest gate; honest session exists means attach via run_attach_session_confirmed regardless of persisted status; no honest session means the existing offline refusal stands; claimed session with dead client tree means refusal/reap, NEVER attach. Reuse SessionProbe ...\n 2851│required_stages = [\"doc\",\"impl\",\"unit\",\"int\"]  # W1 ACTIVATED at build start (todlando 2026-07-18).\n 2852│\n 2853│[[requirements]]\n     │...\n 2869│id = \"REQ-HAZARD-RC-ATTACH-TRUTH\"\n*2870│title = \"RC-RENDER-TRUTH W1 (KNOWN-HAZARDS 7.46 — umbrella conformance seam for ADR-0042): an rc surface answers from live session authority, never a stale persisted projection; a resuming perch is UNBOUND, not offline. Regression matrix from the hertz RCAs + operator field recovery: offline-row-over-honest-session attaches; offline-no-session refuses; zombie refuses/reaps never attaches; resume-never-bound reads UNBOUND and is attachable; harness-only refuses truthfully pre-stream; qualified targets a...\n 2871│required_stages = [\"doc\",\"int\"]  # W1 ACTIVATED at build start (todlando 2026-07-18).\n 2872│\n 2873│[[requirements]]\n     │...\n 2904│id = \"REQ-CONTROLLER-LEASE-IDENTITY\"\n*2905│title = \"RC-RENDER-TRUTH W2 (ADR-0044 decisions 1+2, hertz same-machine --take split-brain RCA P0-A/B, doyle seam-verified broker.rs resolve_subscribe 1296-1318 + 1334-1347): each rc invocation/attach stream mints a UNIQUE controller lease id carried through SubscribeReq, the controller slot, and Input/Resize; node identity stays separate as attribution/access policy only. The ONLY silent successor/replay case is same-lease + equal-or-newer generation (ADR-0038 fix-6 dispatcher-recovery contract preserve...\n 2906│required_stages = [\"doc\",\"impl\",\"unit\",\"int\"]  # W2 ACTIVATED at build start (todlando 2026-07-18).\n 2907│\n 2908│[[requirements]]\n     │...\n 2993│id = \"REQ-LIVENESS-ORACLE-SOUND\"\n*2994│title = \"TEARDOWN-AUTHORITY W2 (todlando W1 gate-round-0 finding, doyle-scoped from the LANDED W1 code 2026-07-19): 'does this pid still exist' has ONE answer in spt-core and it is derived from the OS process table. TODAY spt-daemon/src/broker.rs session_is_zombie computes wrapper_alive from spt_store::proc::is_process_alive, which probes OpenProcess on Windows — and OpenProcess keeps SUCCEEDING for a TERMINATED process while any parent holds an open handle, which the broker ALWAYS does (Arc<PtySession...\n 2995│required_stages = [\"doc\", \"impl\", \"unit\", \"int\"]\n 2996│\n 2997│# --- Added 2026-07-21: flynn spt-alchemy clean-room audit — shell adapter contract gaps (doyle code-verified both same day, BOTH ACCEPTED; operator-ruled MINI-WAVE immediately after v0.39.1 published; rule 3: register before satisfying) ---\n     │...\n 3250│id = \"REQ-RESIDENT-SERVICE\"\n*3251│title = \"ResidentService substrate (ADR-0049, design ratified 2026-07-26): a daemon-supervised binary an adapter declares via a `[service]` manifest section — core-owned from birth, NO perch/identity/address. SPAWN: the daemon launches it job-neutrally (detached_no_inherit + the cold-start ladder posture), so it is never a shell's child (`/T` tree-kill cannot reach it; the shell-descendant hazard class of REQ-SHELL-ADAPTER-OWNED-DETACHED-SERVICE never arises) and never inside a launching terminal's Job...\n 3252│required_stages = [\"doc\", \"impl\", \"unit\", \"int\"]  # rule 5: ACTIVATED 2026-07-26 (RESIDENT-SERVICE W1, builder todlando) — this milestone takes substrate delivery. doc = docs/MANIFEST.md `[service]` section + the `spt adapter service` verb group's public help (drift-gated regen; no internal codes per the xtask gate). impl = `[service]` manifest parsing + `servicehost.rs` (job-neutral spawn through the REQ-INSTALL-11 helper, child-handle-derived liveness, HOLD, quiesce marker + grace + force-kill, START...\n 3253│\n 3254│# --- Minted 2026-07-26 (doyle) from the psyche spend-limit RCA (hertz's tracer capture;\n     │...\n 3326│# dead-owner re-pin (SESSION_REPIN fires, live-owner squat guard refuses), F-034 shape 4\n*3327│# childless-zombie shim (defunct-session verdict + reap-on-create, no false CONFLICT).\n 3328│# Rule 3: register before satisfying; rule 5: per-wave activation — W1 fix legs flip. ---\n 3329│[[requirements]]\n 3330│id = \"REQ-PID-ROLE-EVIDENCE\"\n     │...\n 4023│id = \"REQ-ER-BRINGUP-INFLIGHT-LEDGER\"\n*4024│title = \"THE BROKER RECORDS A BRING-UP WHEN IT STARTS ONE, and the reserved-id bind gate reads that record as well as the sessions table. The gate's premise is that the reserved id passes only as THE COMPLETION OF A BRING-UP THE BROKER STARTED (REQ-ER-RESERVED-ID-SPAWN-REFUSAL), but the only fact it can consult is the sessions table, which records COMPLETED-ness — so between the broker creating the harness child and the session row being inserted there is a window in which the broker's OWN spawned harn...\n 4025│required_stages = [\"impl\", \"unit\"]  # impl+unit ACTIVATED in the delivering commit (todlando build 2026-08-19), releases#199, doyle's (a-prime) ruling. No doc stage at mint: the ledger is broker-internal state with no operator-facing surface of its own — the surface it changes is the refusal SENTENCE, which doyle sequenced to ride AFTER this lands (with the ledger in place the circular-advice case dies with the fix and the sentence then names the in-flight state), so a doc stage here would pre-fail a s...\n 4026│\n 4027│# --- Added 2026-08-21 at PORTER W1 (releases#204, doyle's GO on the measured\n     │...\n 4191│id = \"REQ-ER-OFFLINE-BRINGUP-REACHABLE\"\n*4192│title = \"A CLEANLY-OFFLINE ENGINE ROOM IS STILL BRINGABLE THROUGH ITS OWN CEREMONY: for the engine-room endpoint class with a bring-up code in hand, the rc offline fast-fail must not preempt the bring-up dispatch, because cleanly-offline is precisely the state whose ratified entry path IS a bring-up. Field-reported (releases#142, operator): after a harness exit the operator's third `spt rc engine-room` answered 'offline — nothing to attach to' for the same verb that had brought the room up on the first...\n 4193│required_stages = [\"doc\", \"impl\", \"unit\"]  # ACTIVATED in the commit landing the evidence (todlando 2026-08-04, releases#142 F1, doyle's fix-lane ruling comment 5178249409). doc = the CONTEXT.md engine-room lifecycle sentence ratified at the 2026-08-04 bag grill — TAGGED, not re-authored, because the words are the grill's. impl = attach_gate's narrowing in crates/spt/src/rc.rs plus the two refusal-copy sweeps. unit = the attach_gate table rows, each carrying the offline-row value explicitly per hertz's...\n 4194│\n 4195│[[requirements]]\n     │...\n 4473│[[groups]]\n*4474│name = \"daemon-process-lifecycle\"\n 4475│requirements = [\n 4476│  \"REQ-BROKER-STOP-DENY-NAMES-BLAST\",\n 4477│  \"REQ-BROKER-STOP-ENDPOINT-DENY\",\n     │...\n 4558│  \"REQ-ENDPOINT-AUTOSTART\",\n*4559│  \"REQ-ENDPOINT-CYCLE-HONEST\",\n 4560│  \"REQ-ENDPOINT-LIST-PALETTE\",\n 4561│  \"REQ-ENDPOINT-LIST-RENDER-POLISH\",\n 4562│  \"REQ-ENDPOINT-LIST-REST-FILTER\",\n     │...\n 5412│[[groups]]\n*5413│name = \"span-adapter-harness-contract--stream-seat-lifecycle\"\n 5414│requirements = [\n 5415│  \"REQ-ATTACH-SEED-REQUEST-DOUBLE-SERVE\",\n 5416│  \"REQ-HAZARD-BROKER-SEED-WIRE-SKEW\",\n     │...\n 5451│[[groups]]\n*5452│name = \"span-brain-restart-resume--daemon-process-lifecycle\"\n 5453│requirements = [\n 5454│  \"REQ-DAEMON-RESTART-SELF-INTERRUPTION\",\n 5455│  \"REQ-HAZARD-BRAIN-RESPAWN-PATH\",\n     │...\n 5541│requirements = [\n*5542│  \"REQ-ENDPOINT-CYCLE-HONEST\",\n 5543│  \"REQ-ENDPOINT-ONLINE-TRUTH\",\n 5544│  \"REQ-HAZARD-DRIVEN-BY-IDLE-REMOTE-EVICT\",\n 5545│  \"REQ-HAZARD-HOSTED-LIVENESS-RECONCILE\",\n     │...\n 5604│[[groups]]\n*5605│name = \"span-cli-output-surface--daemon-process-lifecycle\"\n 5606│requirements = [\n 5607│  \"REQ-HAZARD-RC-EOF\",\n 5608│  \"REQ-RC-WIN-PASTE\",\n     │...\n 5720│[[groups]]\n*5721│name = \"span-cli-output-surface--stream-seat-lifecycle\"\n 5722│requirements = [\n 5723│  \"REQ-CLI-WIN-VT-ENABLE\",\n 5724│  \"REQ-DAEMON-5\",\n\n## docs/adr/\n### 0041-endpoint-lifecycle-truth.md#45D1\n  35│   and the shutdown state machine consult DIFFERENT liveness sources and contradict each\n *36│   other on the same zombie (deployah wedge: run says ALREADY_LIVE, list says OFFLINE,\n  37│   shutdown says NO_EDGE).\n  38│\n  39│## Decision\n    │...\n  76│   TOCTOU).\n *77│<!-- [doc->REQ-ENDPOINT-CYCLE-HONEST] -->\n  78│6. **One liveness authority for cycle verbs.** The ALREADY_LIVE dup-guard liveness-probes\n  79│   the claimed session's client tree before refusing (dead tree ⇒ reap + respawn\n  80│   honestly); the shutdown state machine consults the same source, so \"is it live\" has one\n    │...\n  86│  every death path, and stays there until an explicit wake or run — no resurrection loops,\n *87│  no zombie control latches, no immortal hybrid rows.\n  88│- `--create` becomes a contract: success ⇒ a fresh session exists; conflict ⇒ typed, loud,\n  89│  side-effect-free. Existing no-dup safety tests remain valid (they codify the dedup body\n  90│  this shares).\n    │...\n 100│`REQ-HAZARD-ENDPOINT-LIFECYCLE` (KH 7.45); W3: `REQ-SPAWN-FRESH-TRUTHFUL`,\n*101│`REQ-ENDPOINT-CYCLE-HONEST`.\n 102│\n 103│<!-- [doc->REQ-HOSTING-AUTHORITY-CONTROLLABLE] -->\n 104│## Amendment (RC-RENDER-TRUTH v0.38.1 leg 3, doyle ruling 2026-07-19): one hosting authority — the online-earn authority splits by hosting topology","linesTruncated":true,"meta":{"limits":{"columnTruncated":{"maxColumn":512}}}},"isError":false,"timestamp":1788998101702}}
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{"type":"message","id":"02a97b7a","parentId":"116cb674","timestamp":"2026-09-09T23:55:15.894Z","message":{"role":"toolResult","toolCallId":"call_fHSvCN0qCv1MYLPg3ncWYRkX|fc_0ea187522e3f208f016aa1f1e3bf5487d280f04d75d83ec654","toolName":"read","content":[{"type":"text","text":"[.worktrees/285-zombie/crates/spt-term/src/pty.rs#FFD6]\n30:///\n31:/// Build one with [`PtySession::spawn`]; drive input via [`SessionSurface::write_input`]\n32:/// (or the A3 `send_keys`/`send_line` helpers), drain output via\n33:/// [`PtySession::take_reader`], and observe lifecycle via [`PtySession::try_wait`] /\n34:/// [`PtySession::wait`] / [`PtySession::kill`].\n35:pub struct PtySession {\n36:    /// The master end, behind a lock so `resize` never races the reader (Spike #5).\n37:    master: Mutex<Box<dyn MasterPty + Send>>,\n38:    /// The single PTY writer, shared so the A2 drain thread can answer DSR.\n39:    writer: SharedWriter,\n40:    /// The spawned child; behind a lock for `wait`/`try_wait`.\n41:    child: Mutex<Box<dyn Child + Send + Sync>>,\n42:    /// A kill handle split from the child so we can terminate from another\n43:    /// thread even while `wait` blocks (`portable-pty` `ChildKiller`).\n44:    killer: Mutex<Box<dyn ChildKiller + Send + Sync>>,\n45:    /// The master reader, taken at most once (`take_reader`).\n46:    reader: Mutex<Option<Box<dyn Read + Send>>>,\n47:    /// The child OS pid, captured at spawn.\n48:    pid: Option<u32>,\n49:}\n50:\n51:impl PtySession {\n52:    /// Spawn `cmd` under a fresh native PTY sized to `size`.\n53:    ///\n54:    /// The slave end is dropped immediately after the child is spawned: the\n55:    /// child holds the only remaining slave handle, which lets EOF propagate on\n56:    /// the Unix raw-pipe backend once the child exits. (On Windows the no-EOF\n57:    /// behaviour is governed by the writer, handled by the A2 drain discipline.)\n58:    //\n59:    // [impl->REQ-TERM-1]\n60:    pub fn spawn(cmd: CommandBuilder, size: SurfaceSize) -> Result<Self, SurfaceError> {\n61:        let pty_system = native_pty_system();\n62:        let pair = pty_system\n63:            .openpty(size.into())\n64:            .map_err(|e| SurfaceError::OpenPty(e.to_string()))?;\n65:\n66:        let child = pair\n67:            .slave\n68:            .spawn_command(cmd)\n69:            .map_err(|e| SurfaceError::Spawn(e.to_string()))?;\n70:        // Drop the slave so the child owns the only slave-side handle.\n71:        drop(pair.slave);\n72:\n73:        let reader = pair\n74:            .master\n75:            .try_clone_reader()\n76:            .map_err(|e| SurfaceError::Io(io_other(e)))?;\n77:        let writer = pair\n78:            .master\n79:            .take_writer()\n80:            .map_err(|e| SurfaceError::Io(io_other(e)))?;\n81:        let killer = child.clone_killer();\n82:        let pid = child.process_id();\n83:\n84:        Ok(Self {\n85:            master: Mutex::new(pair.master),\n86:            writer: Arc::new(Mutex::new(writer)),\n87:            child: Mutex::new(child),\n88:            killer: Mutex::new(killer),\n89:            reader: Mutex::new(Some(reader)),\n90:            pid,\n91:        })\n92:    }\n93:\n94:    /// Convenience: spawn `program` with `args` under a PTY sized to `size`,\n95:    /// inheriting the caller's working directory.\n96:    pub fn spawn_program<P, A, S>(\n97:        program: P,\n98:        args: A,\n99:        size: SurfaceSize,\n100:    ) -> Result<Self, SurfaceError>\n101:    where\n102:        P: AsRef<std::ffi::OsStr>,\n103:        A: IntoIterator<Item = S>,\n104:        S: AsRef<std::ffi::OsStr>,\n105:    {\n106:        Self::spawn_program_in(program, args, size, None::<&std::ffi::OsStr>)\n107:    }\n108:\n109:    /// Spawn `program` with `args` under a PTY sized to `size`, in `cwd` when\n110:    /// `Some` (REQ-HOST-RUN-2: a project-scoped working directory for the\n111:    /// spawned child) — `None` inherits the caller's cwd, identical to\n112:    /// [`Self::spawn_program`].\n113:    // [impl->REQ-HOST-RUN-2]\n114:    pub fn spawn_program_in<P, A, S, D>(\n115:        program: P,\n116:        args: A,\n117:        size: SurfaceSize,\n118:        cwd: Option<D>,\n119:    ) -> Result<Self, SurfaceError>\n120:    where\n121:        P: AsRef<std::ffi::OsStr>,\n122:        A: IntoIterator<Item = S>,\n123:        S: AsRef<std::ffi::OsStr>,\n124:        D: AsRef<std::ffi::OsStr>,\n125:    {\n126:        Self::spawn_program_in_env(program, args, size, cwd, std::iter::empty::<(&str, &str)>())\n127:    }\n128:\n129:    /// Like [`Self::spawn_program_in`] but also sets `env` vars on the child\n130:    /// (manifest `[env.<VAR>]` direction = inject — REQ-HAZARD-ENV-SUBST). Each\n131:    /// `(key, value)` is applied to the spawned process's environment ON TOP of\n132:    /// the inherited env, so an adapter's per-endpoint injects (e.g.\n133:    /// `SPT_ENDPOINT_ID = {id}`) actually reach the harness child.\n134:    // [impl->REQ-HAZARD-ENV-SUBST]\n135:    // [impl->REQ-HAZARD-WIN-PTY-PROGRAM-RESOLVE]\n136:    pub fn spawn_program_in_env<P, A, S, D, E, K, V>(\n137:        program: P,\n138:        args: A,\n139:        size: SurfaceSize,\n140:        cwd: Option<D>,\n141:        env: E,\n142:    ) -> Result<Self, SurfaceError>\n143:    where\n144:        P: AsRef<std::ffi::OsStr>,\n145:        A: IntoIterator<Item = S>,\n146:        S: AsRef<std::ffi::OsStr>,\n147:        D: AsRef<std::ffi::OsStr>,\n148:        E: IntoIterator<Item = (K, V)>,\n149:        K: AsRef<std::ffi::OsStr>,\n150:        V: AsRef<std::ffi::OsStr>,\n151:    {\n152:        // Resolve the program for the OS spawn before portable-pty's own `which`\n153:        // can pick an extensionless shebang shim that CreateProcessW rejects\n154:        // (os error 193). On Windows this PATHEXT-resolves a bare name and wraps a\n155:        // non-PE target (.cmd/.bat → cmd.exe, .ps1 → powershell); off Windows it\n156:        // is a passthrough. The wrap prefix args precede the caller's args.\n157:        // [impl->REQ-HAZARD-WIN-PTY-PROGRAM-RESOLVE]\n158:        let (program, prefix) = crate::winprog::resolve_for_pty(program.as_ref());\n159:        let mut cmd = CommandBuilder::new(&program);\n160:        for a in prefix {\n161:            cmd.arg(a);\n162:        }\n163:        for a in args {\n164:            cmd.arg(a);\n165:        }\n166:        if let Some(dir) = cwd {\n167:            cmd.cwd(dir);\n168:        }\n169:        for (k, v) in env {\n170:            cmd.env(k, v);\n171:        }\n172:        Self::spawn(cmd, size)\n173:    }\n174:\n175:    /// Take the master reader. Returns [`SurfaceError::ReaderTaken`] on the\n176:    /// second call — output is drained by exactly one consumer (the A2 drain\n177:    /// thread in the hosted path; a test consumer otherwise).\n178:    pub fn take_reader(&self) -> Result<Box<dyn Read + Send>, SurfaceError> {\n179:        self.reader\n180:            .lock()\n181:            .unwrap()\n182:            .take()\n183:            .ok_or(SurfaceError::ReaderTaken)\n184:    }\n…\n194:    pub fn try_wait(&self) -> Result<Option<ExitStatus>, SurfaceError> {\n195:        self.child\n196:            .lock()\n197:            .unwrap()\n198:            .try_wait()\n199:            .map_err(SurfaceError::Io)\n200:    }\n201:\n202:    /// Block until the child exits, yielding its status.\n203:    pub fn wait(&self) -> Result<ExitStatus, SurfaceError> {\n204:        self.child.lock().unwrap().wait().map_err(SurfaceError::Io)\n205:    }\n206:\n207:    /// Terminate the child. Safe to call from another thread while `wait`\n208:    /// blocks (uses the split `ChildKiller`). Confirm the reap via\n209:    /// [`PtySession::wait`] / [`PtySession::try_wait`].\n210:    pub fn kill(&self) -> Result<(), SurfaceError> {\n211:        let res = self.killer.lock().unwrap().kill();\n212:        #[cfg(windows)]\n213:        {\n214:            // portable-pty 0.8's Windows `ChildKiller` returns the spurious\n215:            // `last_os_error` even when `TerminateProcess` *succeeds* (the\n216:            // upstream success check is inverted; `WinChild::kill` swallows it,\n217:            // the cloned killer does not). Its Result is therefore untrustworthy\n218:            // — kill is best-effort; confirm death by reaping.\n219:            let _ = res;\n220:            Ok(())\n221:        }\n222:        #[cfg(unix)]\n223:        {\n224:            res.map_err(SurfaceError::Io)\n225:        }\n226:    }\n227:\n228:    /// The child's OS process id, if the backend exposes one.\n229:    pub fn process_id(&self) -> Option<u32> {\n230:        self.pid\n231:    }\n232:}\n233:\n234:// [impl->REQ-TERM-1]\n235:impl SessionSurface for PtySession {\n…\n251:}"}],"details":{"displayContent":{"text":"///\n/// Build one with [`PtySession::spawn`]; drive input via [`SessionSurface::write_input`]\n/// (or the A3 `send_keys`/`send_line` helpers), drain output via\n/// [`PtySession::take_reader`], and observe lifecycle via [`PtySession::try_wait`] /\n/// [`PtySession::wait`] / [`PtySession::kill`].\npub struct PtySession {\n    /// The master end, behind a lock so `resize` never races the reader (Spike #5).\n    master: Mutex<Box<dyn MasterPty + Send>>,\n    /// The single PTY writer, shared so the A2 drain thread can answer DSR.\n    writer: SharedWriter,\n    /// The spawned child; behind a lock for `wait`/`try_wait`.\n    child: Mutex<Box<dyn Child + Send + Sync>>,\n    /// A kill handle split from the child so we can terminate from another\n    /// thread even while `wait` blocks (`portable-pty` `ChildKiller`).\n    killer: Mutex<Box<dyn ChildKiller + Send + Sync>>,\n    /// The master reader, taken at most once (`take_reader`).\n    reader: Mutex<Option<Box<dyn Read + Send>>>,\n    /// The child OS pid, captured at spawn.\n    pid: Option<u32>,\n}\n\nimpl PtySession {\n    /// Spawn `cmd` under a fresh native PTY sized to `size`.\n    ///\n    /// The slave end is dropped immediately after the child is spawned: the\n    /// child holds the only remaining slave handle, which lets EOF propagate on\n    /// the Unix raw-pipe backend once the child exits. (On Windows the no-EOF\n    /// behaviour is governed by the writer, handled by the A2 drain discipline.)\n    //\n    // [impl->REQ-TERM-1]\n    pub fn spawn(cmd: CommandBuilder, size: SurfaceSize) -> Result<Self, SurfaceError> {\n        let pty_system = native_pty_system();\n        let pair = pty_system\n            .openpty(size.into())\n            .map_err(|e| SurfaceError::OpenPty(e.to_string()))?;\n\n        let child = pair\n            .slave\n            .spawn_command(cmd)\n            .map_err(|e| SurfaceError::Spawn(e.to_string()))?;\n        // Drop the slave so the child owns the only slave-side handle.\n        drop(pair.slave);\n\n        let reader = pair\n            .master\n            .try_clone_reader()\n            .map_err(|e| SurfaceError::Io(io_other(e)))?;\n        let writer = pair\n            .master\n            .take_writer()\n            .map_err(|e| SurfaceError::Io(io_other(e)))?;\n        let killer = child.clone_killer();\n        let pid = child.process_id();\n\n        Ok(Self {\n            master: Mutex::new(pair.master),\n            writer: Arc::new(Mutex::new(writer)),\n            child: Mutex::new(child),\n            killer: Mutex::new(killer),\n            reader: Mutex::new(Some(reader)),\n            pid,\n        })\n    }\n\n    /// Convenience: spawn `program` with `args` under a PTY sized to `size`,\n    /// inheriting the caller's working directory.\n    pub fn spawn_program<P, A, S>(\n        program: P,\n        args: A,\n        size: SurfaceSize,\n    ) -> Result<Self, SurfaceError>\n    where\n        P: AsRef<std::ffi::OsStr>,\n        A: IntoIterator<Item = S>,\n        S: AsRef<std::ffi::OsStr>,\n    {\n        Self::spawn_program_in(program, args, size, None::<&std::ffi::OsStr>)\n    }\n\n    /// Spawn `program` with `args` under a PTY sized to `size`, in `cwd` when\n    /// `Some` (REQ-HOST-RUN-2: a project-scoped working directory for the\n    /// spawned child) — `None` inherits the caller's cwd, identical to\n    /// [`Self::spawn_program`].\n    // [impl->REQ-HOST-RUN-2]\n    pub fn spawn_program_in<P, A, S, D>(\n        program: P,\n        args: A,\n        size: SurfaceSize,\n        cwd: Option<D>,\n    ) -> Result<Self, SurfaceError>\n    where\n        P: AsRef<std::ffi::OsStr>,\n        A: IntoIterator<Item = S>,\n        S: AsRef<std::ffi::OsStr>,\n        D: AsRef<std::ffi::OsStr>,\n    {\n        Self::spawn_program_in_env(program, args, size, cwd, std::iter::empty::<(&str, &str)>())\n    }\n\n    /// Like [`Self::spawn_program_in`] but also sets `env` vars on the child\n    /// (manifest `[env.<VAR>]` direction = inject — REQ-HAZARD-ENV-SUBST). Each\n    /// `(key, value)` is applied to the spawned process's environment ON TOP of\n    /// the inherited env, so an adapter's per-endpoint injects (e.g.\n    /// `SPT_ENDPOINT_ID = {id}`) actually reach the harness child.\n    // [impl->REQ-HAZARD-ENV-SUBST]\n    // [impl->REQ-HAZARD-WIN-PTY-PROGRAM-RESOLVE]\n    pub fn spawn_program_in_env<P, A, S, D, E, K, V>(\n        program: P,\n        args: A,\n        size: SurfaceSize,\n        cwd: Option<D>,\n        env: E,\n    ) -> Result<Self, SurfaceError>\n    where\n        P: AsRef<std::ffi::OsStr>,\n        A: IntoIterator<Item = S>,\n        S: AsRef<std::ffi::OsStr>,\n        D: AsRef<std::ffi::OsStr>,\n        E: IntoIterator<Item = (K, V)>,\n        K: AsRef<std::ffi::OsStr>,\n        V: AsRef<std::ffi::OsStr>,\n    {\n        // Resolve the program for the OS spawn before portable-pty's own `which`\n        // can pick an extensionless shebang shim that CreateProcessW rejects\n        // (os error 193). On Windows this PATHEXT-resolves a bare name and wraps a\n        // non-PE target (.cmd/.bat → cmd.exe, .ps1 → powershell); off Windows it\n        // is a passthrough. The wrap prefix args precede the caller's args.\n        // [impl->REQ-HAZARD-WIN-PTY-PROGRAM-RESOLVE]\n        let (program, prefix) = crate::winprog::resolve_for_pty(program.as_ref());\n        let mut cmd = CommandBuilder::new(&program);\n        for a in prefix {\n            cmd.arg(a);\n        }\n        for a in args {\n            cmd.arg(a);\n        }\n        if let Some(dir) = cwd {\n            cmd.cwd(dir);\n        }\n        for (k, v) in env {\n            cmd.env(k, v);\n        }\n        Self::spawn(cmd, size)\n    }\n\n    /// Take the master reader. Returns [`SurfaceError::ReaderTaken`] on the\n    /// second call — output is drained by exactly one consumer (the A2 drain\n    /// thread in the hosted path; a test consumer otherwise).\n    pub fn take_reader(&self) -> Result<Box<dyn Read + Send>, SurfaceError> {\n        self.reader\n            .lock()\n            .unwrap()\n            .take()\n            .ok_or(SurfaceError::ReaderTaken)\n    }\n…\n    pub fn try_wait(&self) -> Result<Option<ExitStatus>, SurfaceError> {\n        self.child\n            .lock()\n            .unwrap()\n            .try_wait()\n            .map_err(SurfaceError::Io)\n    }\n\n    /// Block until the child exits, yielding its status.\n    pub fn wait(&self) -> Result<ExitStatus, SurfaceError> {\n        self.child.lock().unwrap().wait().map_err(SurfaceError::Io)\n    }\n\n    /// Terminate the child. Safe to call from another thread while `wait`\n    /// blocks (uses the split `ChildKiller`). Confirm the reap via\n    /// [`PtySession::wait`] / [`PtySession::try_wait`].\n    pub fn kill(&self) -> Result<(), SurfaceError> {\n        let res = self.killer.lock().unwrap().kill();\n        #[cfg(windows)]\n        {\n            // portable-pty 0.8's Windows `ChildKiller` returns the spurious\n            // `last_os_error` even when `TerminateProcess` *succeeds* (the\n            // upstream success check is inverted; `WinChild::kill` swallows it,\n            // the cloned killer does not). Its Result is therefore untrustworthy\n            // — kill is best-effort; confirm death by reaping.\n            let _ = res;\n            Ok(())\n        }\n        #[cfg(unix)]\n        {\n            res.map_err(SurfaceError::Io)\n        }\n    }\n\n    /// The child's OS process id, if the backend exposes one.\n    pub fn process_id(&self) -> Option<u32> {\n        self.pid\n    }\n}\n\n// [impl->REQ-TERM-1]\nimpl SessionSurface for PtySession {\n…\n}","startLine":30,"lineNumbers":[30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,null,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,null,251]},"fileSize":10388,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates\\spt-term\\src\\pty.rs"}}},"isError":false,"timestamp":1788998115894}}
{"type":"message","id":"7b38b388","parentId":"02a97b7a","timestamp":"2026-09-09T23:55:15.901Z","message":{"role":"toolResult","toolCallId":"call_xme9UjtfL1AJJnROpjDbcndF|fc_0ea187522e3f208f016aa1f1e3bf3487d2a0d11f1aa7dc86b4","toolName":"read","content":[{"type":"text","text":"[.worktrees/285-zombie/crates/spt-store/src/proc.rs#0F4B]\n1://! Process-liveness probe. Used by the registry to detect stale entries\n2://! (dead-PID rows) before resolution. Ported from sister `types.rs`\n3://! `is_process_alive` (ADR-0001): Windows `OpenProcess` (tasklist hangs on\n4://! Win11 26200+), Unix `kill(pid, 0)`.\n5:\n6:// THE IDENTITY CORE LIVES IN `spt-procident` AND IS RE-EXPORTED VERBATIM.\n7://\n8:// It moved (BAROMETER H3, releases#103) because a cargo build script sees only\n9:// `[build-dependencies]` and the build-cache pool guard needs this exact\n10:// predicate — duplicating a pid+birth liveness probe would put a second source\n11:// under the hazard the first one exists for. Re-exported rather than wrapped so\n12:// every call site, every doc link and every test in this crate is untouched and\n13:// `spt_store::proc::process_identity` still resolves.\n14:// [impl->REQ-POOL-ONE-LIVENESS-PREDICATE]\n15:pub use spt_procident::{\n16:    is_process_alive, parent_pid_of, pin_process, process_exists, process_identity,\n17:    process_started_at, process_table, PinnedProc, ProcIdentity,\n18:};\n19:\n20:\n21:\n22:/// Best-effort reap of an exited child: clears the zombie a kill (or a plain\n23:/// exit) leaves when the **spawner itself keeps running** — in-process daemon\n24:/// hosting and tests; a short-lived CLI spawner exits and init/the OS reaps\n25:/// for it. No-op on Windows (no zombies) and for a pid that is not our child\n26:/// (`ECHILD` — somebody else owns the wait).\n27:pub fn reap_if_child(pid: u32) {\n28:    #[cfg(unix)]\n29:    if pid != 0 {\n30:        unsafe {\n31:            libc::waitpid(pid as i32, std::ptr::null_mut(), libc::WNOHANG);\n32:        }\n33:    }\n34:    #[cfg(windows)]\n35:    let _ = pid;\n36:}\n…\n420:/// Kill `root` AND its entire descendant subtree ([`process_descendants`]),\n421:/// LEAVES first so a parent cannot re-spawn a child mid-teardown — the tree-kill a\n422:/// wedged/crash-looping wrapper needs (a single-pid [`kill_pid`] leaves the\n423:/// wrapper's harness children orphaned + running; C3(c), REQ-PSYCHE-CRASHLOOP).\n424:/// The descendants are captured in ONE snapshot BEFORE any kill, so on Linux\n425:/// (where an orphan re-parents to init the instant its parent dies) the subtree is\n426:/// not lost mid-teardown. Callers already ID-scope which `root` to pass (the\n427:/// cmdline-guarded psyche reap); this only widens the blast radius from one pid to\n428:/// that pid's proven-own subtree. Best-effort per pid.\n429:// [impl->REQ-PSYCHE-CRASHLOOP-BACKOFF-SHUTDOWN]\n430:pub fn kill_pid_tree(root: u32) {\n431:    if root == 0 {\n432:        return;\n433:    }\n434:    // Snapshot the subtree FIRST (before the root dies and Linux re-parents it),\n435:    // then strike leaves→root (BFS is root-first, so reverse for deepest-first).\n436:    let mut descendants = process_descendants(root);\n437:    descendants.reverse();\n438:    for pid in descendants {\n439:        kill_pid(pid);\n440:    }\n441:    kill_pid(root);\n442:}\n443:\n444:/// The executable **basename** of process `pid` — the bind-time adapter-resolution\n445:/// match-key (ADR-0021 / REQ-MANIFEST-8): a harness session's parent pid maps to\n446:/// the harness binary's basename (e.g. `claude.exe` on Windows, `claude` on\n447:/// Linux), matched case-insensitively and `.exe`-stripped against an adapter's\n448:/// `[adapter] host_binaries`. Returns the raw basename (extension intact — the\n449:/// matcher normalizes); `None` when the query fails (dead pid, permission, or an\n450:/// unsupported platform), where the caller degrades to the `--adapter` escape.\n451:///\n452:/// Windows: `QueryFullProcessImageNameW` over an `OpenProcess`\n453:/// (`PROCESS_QUERY_LIMITED_INFORMATION`) handle — the non-hanging path, mirroring\n454:/// [`is_process_alive`] (tasklist/WMIC hang on recent builds). Linux: the\n455:/// `/proc/<pid>/exe` symlink target. Other unix: `None` (no `/proc`).\n456:// [impl->REQ-MANIFEST-8]\n457:pub fn exe_basename(pid: u32) -> Option<String> {\n458:    exe_path(pid).and_then(|p| p.file_name().map(|s| s.to_string_lossy().into_owned()))\n459:}\n460:\n461:/// The FULL image path of process `pid` — the same OS query [`exe_basename`]\n462:/// reads, undecided (it is that function's single source; the basename form is a\n463:/// projection of this one).\n464:///\n465:/// The full path is what a **path-verified kill** needs: a parked pid alone is\n466:/// the recycled-pid class (kill the number, hit whatever inherited it), and a\n467:/// basename alone cannot tell two installs of the same binary apart. `None` is\n468:/// **no knowledge** — a dead pid, a denied query, or a platform with no image\n469:/// oracle — and a caller holding a kill in its hand must read it as \"report,\n470:/// never kill\", never as \"not ours\".\n471:// [impl->REQ-RESIDENT-SERVICE]\n472:pub fn exe_path(pid: u32) -> Option<std::path::PathBuf> {\n473:    if pid == 0 {\n474:        return None; // never a probe-able process (see is_process_alive)\n475:    }\n476:    #[cfg(windows)]\n477:    {\n478:        extern \"system\" {\n479:            fn OpenProcess(\n480:                dw_desired_access: u32,\n481:                b_inherit_handle: i32,\n482:                dw_process_id: u32,\n483:            ) -> isize;\n484:            fn CloseHandle(h_object: isize) -> i32;\n485:            fn QueryFullProcessImageNameW(\n486:                h_process: isize,\n487:                dw_flags: u32,\n488:                lp_exe_name: *mut u16,\n489:                lpdw_size: *mut u32,\n490:            ) -> i32;\n491:        }\n492:        const PROCESS_QUERY_LIMITED_INFORMATION: u32 = 0x1000;\n493:        let handle = unsafe { OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, 0, pid) };\n494:        if handle == 0 {\n495:            return None;\n496:        }\n497:        let mut buf = vec![0u16; 4096];\n498:        let mut size = buf.len() as u32;\n499:        let ok = unsafe { QueryFullProcessImageNameW(handle, 0, buf.as_mut_ptr(), &mut size) };\n500:        unsafe {\n501:            CloseHandle(handle);\n502:        }\n503:        if ok == 0 {\n504:            return None;\n505:        }\n506:        let path = String::from_utf16_lossy(&buf[..size as usize]);\n507:        Some(std::path::PathBuf::from(path))\n508:    }\n509:    #[cfg(target_os = \"linux\")]\n510:    {\n…\n512:    }\n…\n518:}"}],"details":{"displayContent":{"text":"//! Process-liveness probe. Used by the registry to detect stale entries\n//! (dead-PID rows) before resolution. Ported from sister `types.rs`\n//! `is_process_alive` (ADR-0001): Windows `OpenProcess` (tasklist hangs on\n//! Win11 26200+), Unix `kill(pid, 0)`.\n\n// THE IDENTITY CORE LIVES IN `spt-procident` AND IS RE-EXPORTED VERBATIM.\n//\n// It moved (BAROMETER H3, releases#103) because a cargo build script sees only\n// `[build-dependencies]` and the build-cache pool guard needs this exact\n// predicate — duplicating a pid+birth liveness probe would put a second source\n// under the hazard the first one exists for. Re-exported rather than wrapped so\n// every call site, every doc link and every test in this crate is untouched and\n// `spt_store::proc::process_identity` still resolves.\n// [impl->REQ-POOL-ONE-LIVENESS-PREDICATE]\npub use spt_procident::{\n    is_process_alive, parent_pid_of, pin_process, process_exists, process_identity,\n    process_started_at, process_table, PinnedProc, ProcIdentity,\n};\n\n\n\n/// Best-effort reap of an exited child: clears the zombie a kill (or a plain\n/// exit) leaves when the **spawner itself keeps running** — in-process daemon\n/// hosting and tests; a short-lived CLI spawner exits and init/the OS reaps\n/// for it. No-op on Windows (no zombies) and for a pid that is not our child\n/// (`ECHILD` — somebody else owns the wait).\npub fn reap_if_child(pid: u32) {\n    #[cfg(unix)]\n    if pid != 0 {\n        unsafe {\n            libc::waitpid(pid as i32, std::ptr::null_mut(), libc::WNOHANG);\n        }\n    }\n    #[cfg(windows)]\n    let _ = pid;\n}\n…\n/// Kill `root` AND its entire descendant subtree ([`process_descendants`]),\n/// LEAVES first so a parent cannot re-spawn a child mid-teardown — the tree-kill a\n/// wedged/crash-looping wrapper needs (a single-pid [`kill_pid`] leaves the\n/// wrapper's harness children orphaned + running; C3(c), REQ-PSYCHE-CRASHLOOP).\n/// The descendants are captured in ONE snapshot BEFORE any kill, so on Linux\n/// (where an orphan re-parents to init the instant its parent dies) the subtree is\n/// not lost mid-teardown. Callers already ID-scope which `root` to pass (the\n/// cmdline-guarded psyche reap); this only widens the blast radius from one pid to\n/// that pid's proven-own subtree. Best-effort per pid.\n// [impl->REQ-PSYCHE-CRASHLOOP-BACKOFF-SHUTDOWN]\npub fn kill_pid_tree(root: u32) {\n    if root == 0 {\n        return;\n    }\n    // Snapshot the subtree FIRST (before the root dies and Linux re-parents it),\n    // then strike leaves→root (BFS is root-first, so reverse for deepest-first).\n    let mut descendants = process_descendants(root);\n    descendants.reverse();\n    for pid in descendants {\n        kill_pid(pid);\n    }\n    kill_pid(root);\n}\n\n/// The executable **basename** of process `pid` — the bind-time adapter-resolution\n/// match-key (ADR-0021 / REQ-MANIFEST-8): a harness session's parent pid maps to\n/// the harness binary's basename (e.g. `claude.exe` on Windows, `claude` on\n/// Linux), matched case-insensitively and `.exe`-stripped against an adapter's\n/// `[adapter] host_binaries`. Returns the raw basename (extension intact — the\n/// matcher normalizes); `None` when the query fails (dead pid, permission, or an\n/// unsupported platform), where the caller degrades to the `--adapter` escape.\n///\n/// Windows: `QueryFullProcessImageNameW` over an `OpenProcess`\n/// (`PROCESS_QUERY_LIMITED_INFORMATION`) handle — the non-hanging path, mirroring\n/// [`is_process_alive`] (tasklist/WMIC hang on recent builds). Linux: the\n/// `/proc/<pid>/exe` symlink target. Other unix: `None` (no `/proc`).\n// [impl->REQ-MANIFEST-8]\npub fn exe_basename(pid: u32) -> Option<String> {\n    exe_path(pid).and_then(|p| p.file_name().map(|s| s.to_string_lossy().into_owned()))\n}\n\n/// The FULL image path of process `pid` — the same OS query [`exe_basename`]\n/// reads, undecided (it is that function's single source; the basename form is a\n/// projection of this one).\n///\n/// The full path is what a **path-verified kill** needs: a parked pid alone is\n/// the recycled-pid class (kill the number, hit whatever inherited it), and a\n/// basename alone cannot tell two installs of the same binary apart. `None` is\n/// **no knowledge** — a dead pid, a denied query, or a platform with no image\n/// oracle — and a caller holding a kill in its hand must read it as \"report,\n/// never kill\", never as \"not ours\".\n// [impl->REQ-RESIDENT-SERVICE]\npub fn exe_path(pid: u32) -> Option<std::path::PathBuf> {\n    if pid == 0 {\n        return None; // never a probe-able process (see is_process_alive)\n    }\n    #[cfg(windows)]\n    {\n        extern \"system\" {\n            fn OpenProcess(\n                dw_desired_access: u32,\n                b_inherit_handle: i32,\n                dw_process_id: u32,\n            ) -> isize;\n            fn CloseHandle(h_object: isize) -> i32;\n            fn QueryFullProcessImageNameW(\n                h_process: isize,\n                dw_flags: u32,\n                lp_exe_name: *mut u16,\n                lpdw_size: *mut u32,\n            ) -> i32;\n        }\n        const PROCESS_QUERY_LIMITED_INFORMATION: u32 = 0x1000;\n        let handle = unsafe { OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, 0, pid) };\n        if handle == 0 {\n            return None;\n        }\n        let mut buf = vec![0u16; 4096];\n        let mut size = buf.len() as u32;\n        let ok = unsafe { QueryFullProcessImageNameW(handle, 0, buf.as_mut_ptr(), &mut size) };\n        unsafe {\n            CloseHandle(handle);\n        }\n        if ok == 0 {\n            return None;\n        }\n        let path = String::from_utf16_lossy(&buf[..size as usize]);\n        Some(std::path::PathBuf::from(path))\n    }\n    #[cfg(target_os = \"linux\")]\n    {\n…\n    }\n…\n}","startLine":1,"lineNumbers":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,null,420,421,422,423,424,425,426,427,428,429,430,431,432,433,434,435,436,437,438,439,440,441,442,443,444,445,446,447,448,449,450,451,452,453,454,455,456,457,458,459,460,461,462,463,464,465,466,467,468,469,470,471,472,473,474,475,476,477,478,479,480,481,482,483,484,485,486,487,488,489,490,491,492,493,494,495,496,497,498,499,500,501,502,503,504,505,506,507,508,509,510,null,512,null,518]},"fileSize":43461,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates\\spt-store\\src\\proc.rs"}}},"isError":false,"timestamp":1788998115901}}
{"type":"message","id":"a2f4e026","parentId":"7b38b388","timestamp":"2026-09-09T23:55:15.910Z","message":{"role":"toolResult","toolCallId":"call_ijXSsnly7KCJDlY6ZFIObEmH|fc_0ea187522e3f208f016aa1f1e3bf5087d288dcd19faf9e5280","toolName":"read","content":[{"type":"text","text":"[.worktrees/285-zombie/crates/spt-daemon/src/broker.rs#0038]\n4070:\n4071:/// A child the broker hosts under a PTY — the §B-owned resources for one\n4072:/// session, plus its gapless-resume output log.\n4073:struct HostedSession {\n4074:    /// The PTY + child (PTY master/writer + spawned child process).\n4075:    session: Arc<PtySession>,\n4076:    /// The session's dedicated PTY input-writer (v0.13.0 P0,\n4077:    /// REQ-HAZARD-PTY-INPUT-WRITER-WEDGE): the SOLE caller of the blocking\n4078:    /// `write_input`. Every dispatch-side write ENQUEUES here and returns at once,\n4079:    /// so a paste burst that fills the harness's input buffer parks only the\n4080:    /// writer thread, never the broker dispatch thread.\n4081:    input: Arc<InputWriter>,\n4082:    /// The output drain pump (kept so teardown can stop it).\n4083:    #[allow(dead_code)] // held for ownership/teardown; not read directly\n4084:    drain: Drain,\n4085:    /// The sequenced, buffered output + current subscriber.\n4086:    log: Arc<Mutex<OutputLog>>,\n4087:    /// The owning endpoint (the spawn's label; empty = unlabeled). The\n4088:    /// inbound dispatcher's gate subject for remote-drive (D9-1).\n4089:    endpoint: String,\n4090:    /// The translation-binary attachment (Layer C), or `None` for a session with\n4091:    /// no `[message-idle-translation-binary]` — then idle inbound delivery SPOOLS\n4092:    /// (no raw PTY inject; ADR-0022 amendment).\n4093:    translation: Option<Arc<Translation>>,\n4094:    /// The resolved translation argv this session was spawned with (F029 C-1) —\n4095:    /// held so a bounded eager respawn after a REAL fault can rebuild the binary\n4096:    /// from the exact same command (`build_translation`) without re-reading the\n4097:    /// manifest (works for a test session with a direct argv AND a production\n4098:    /// session). `None` for a no-translation session. Updated on an adapter-apply\n4099:    /// restart to the swapped-in argv.\n4100:    translation_argv: Option<Vec<String>>,\n4101:    /// The bounded-respawn give-up counter shared with the inject worker (F029 C-1,\n4102:    /// REQ-HAZARD-TRANSLATE-FAULT-PERMANENT-DEATH): the dispatch respawn path\n4103:    /// increments it per rebuild, the worker RESETS it to 0 on a healthy `{commit}`\n4104:    /// (so a recovered binary refreshes the whole budget). At `translate_respawn_\n4105:    /// budget()` the daemon gives up (loud) and leaves the binary dead → spool.\n4106:    translation_respawns: Arc<AtomicU32>,\n4107:    /// The adapter name owning this session (W3a, ADR-0025) — empty for a\n4108:    /// legacy/test/shell spawn. A live adapter update finds every live session\n4109:    /// whose `adapter` matches to cycle its resident children.\n4110:    adapter: String,\n4111:    /// The adapter's install dir for this session (W3a) — `None` if unknown. The\n4112:    /// apply target for a live update's CRC swap.\n4113:    install_dir: Option<std::path::PathBuf>,\n4114:    /// When the session spawned (ADR-0041 decision 6) — the zombie verdict's\n4115:    /// boot-grace anchor: a just-spawned adapter harness has no client chain\n4116:    /// yet and must never read as a dead tree during bringup.\n4117:    // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n4118:    spawned_at: Instant,\n4119:}\n4120:\n…\n8167:        // REQ-HOST-RUN-2: spawn in the requested project cwd when carried;\n8168:        // `None` inherits the broker's cwd (legacy/test + W1 bringup shortcut).\n8169:        // Inject the manifest [env] vars (REQ-HAZARD-ENV-SUBST) on top of the\n8170:        // inherited env — empty for a legacy/N-1 spawn (inherit only).\n8171:        spawn_phase(\"pty_creating\", &format!(\"program={}\", req.program));\n8172:        // INT-RIG SEAM (#235): hold the winner inside `pty_creating` for a set time,\n8173:        // reproducing the measured shape — a ConPTY create that overruns while the\n8174:        // holder is perfectly alive. One long phase with no new stamp is exactly what\n8175:        // the production slow case looks like to the gate, so the rig drives the real\n8176:        // decision path rather than a simulation of it.\n8177:        // Compiled out of release entirely (see `phase_wedge_ceiling`'s seam): a stray\n8178:        // value must never be able to stall a production spawn, and a seam that can only\n8179:        // be reached in a debug build cannot. Parsed once, clamped, and LOUD every time\n8180:        // it fires — a silent delay is the failure mode worth engineering against.\n8181:        #[cfg(debug_assertions)]\n8182:        {\n8183:            static STRETCH: std::sync::OnceLock<Option<Duration>> = std::sync::OnceLock::new();\n8184:            if let Some(d) = STRETCH.get_or_init(|| {\n8185:                let raw = std::env::var(\"SPT_SPAWN_STRETCH_MS\")\n8186:                    .ok()\n8187:                    .and_then(|v| v.parse::<u64>().ok())?;\n8188:                Some(Duration::from_millis(raw.min(30_000)))\n8189:            }) {\n8190:                eprintln!(\n8191:                    \"SPAWN_STRETCH_SEAM:{}: holding pty_creating for {}ms — test seam, \\\n8192:                     debug builds only\",\n8193:                    req.endpoint,\n8194:                    d.as_millis()\n8195:                );\n8196:                thread::sleep(*d);\n8197:            }\n8198:        }\n8199:        let session = match PtySession::spawn_program_in_env(\n8200:            &req.program,\n8201:            &req.args,\n8202:            SurfaceSize::new(req.rows, req.cols),\n8203:            req.cwd.as_deref(),\n8204:            req.env.iter().map(|(k, v)| (k.as_str(), v.as_str())),\n8205:        ) {\n8206:            Ok(session) => session,\n8207:            Err(e) => {\n8208:                spawn_phase(\"pty_failed\", &format!(\"err={e}\"));\n8209:                return Err(format!(\"spawn failed: {e}\"));\n8210:            }\n8211:        };\n8212:        let session = Arc::new(session);\n8213:        let id = self.next_id.fetch_add(1, Ordering::Relaxed);\n8214:        let pid = session.process_id();\n8215:        // The ConPTY-create span releases#199 candidate C names, closed.\n8216:        spawn_phase(\"pty_created\", &format!(\"pid={pid:?}\"));\n8217:\n8218:        // The session's lone PTY input-writer (P0): the SOLE caller of the\n8219:        // blocking `write_input`. Every dispatch-side write enqueues here, so a\n8220:        // paste burst parks only this thread — never the broker dispatch thread\n8221:        // (REQ-HAZARD-PTY-INPUT-WRITER-WEDGE). The inject worker writes through it\n8222:        // too, so the lone writer enforces the W2 inject-floor order.\n8223:        let input = InputWriter::spawn(Arc::clone(&session), req.endpoint.clone());\n8224:        // releases#199: the span from here to `row_inserted` is the one a 10-way\n8225:        // contention run put 1427ms into while the ConPTY create took 14ms — the\n8226:        // child is ALREADY RUNNING through all of it and the row the bring-up poll\n8227:        // reads does not exist yet, which is this issue's face in miniature. So it\n8228:        // is stamped per step rather than as one block.\n8229:        spawn_phase(\"input_writer\", \"\");\n8230:\n8231:        // The output log, with the spawning connection pre-attached as the\n8232:        // controller (identity `None` = LOCAL, not a remote driver) so no chunk\n8233:        // is missed before an explicit subscribe — and so a remote attach to a\n8234:        // spawned-but-undriven session takes control silently (no loud displace\n8235:        // of the local-spawner placeholder; REQ-RCVIEW-1).\n8236:        let log = Arc::new(Mutex::new(OutputLog::new(\n8237:            id,\n8238:            self.log_cap_chunks,\n8239:            req.endpoint.clone(),\n8240:            (req.rows, req.cols),\n8241:        )));\n8242:        log.lock()\n8243:            .unwrap()\n8244:            .become_controller(Arc::clone(send), None, 0, 0);\n8245:        spawn_phase(\"log_ready\", \"\");\n8246:\n8247:        // Output drain → append under the log lock (fast: ring + viewer fan-out),\n8248:        // then deliver to the controller OFF the lock with a bounded deadline\n8249:        // (W1 / REQ-HAZARD-INJECT-CONTROL-COEXIST). The controller write is no\n8250:        // longer inline under the log lock, so a backed-up controller can never\n…\n8337:        thread::spawn(move || {\n…\n8470:            // Bumps the stamp generation under the per-endpoint write serial,\n8471:            // so any snapshot taken BEFORE the removal is refused at write time.\n8472:            // [impl->REQ-HAZARD-CONTROL-STAMP-LIFETIME]\n8473:            // [impl->REQ-CONTROL-STAMP-CONVERGENCE]\n8474:            recover_log(&log_exit).stamp_reaped();\n8475:        });\n8476:\n8477:        spawn_phase(\"waiter_armed\", \"\");\n8478:\n8479:        // Layer C: if the spawn carried a translation binary, bring it up with the\n8480:        // session — spawn the pure stdin→stdout filter + the inject worker that\n8481:        // owns the atomic PTY apply. A spawn failure FAILS CLOSED to SPOOLING\n8482:        // (logged, `None` → idle inbound spools, never raw-injected) rather than\n8483:        // aborting the session — a missing binary costs idle delivery, never the\n8484:        // operator their agent.\n8485:        // C-1: the shared bounded-respawn give-up counter (starts at 0; the worker\n8486:        // resets it on a healthy commit, the dispatch respawn path increments it).\n8487:        let translation_respawns = Arc::new(AtomicU32::new(0));\n8488:        let translation = req\n8489:            .translation_binary\n8490:            .as_deref()\n8491:            .and_then(|argv| {\n8492:                build_translation(\n8493:                    argv,\n8494:                    &req.endpoint,\n8495:                    &input,\n8496:                    Arc::clone(&translation_respawns),\n8497:                    &log,\n8498:                )\n8499:            });\n8500:\n8501:        spawn_phase(\"translation_ready\", \"\");\n8502:\n8503:        recover(&self.sessions).insert(\n8504:            id,\n8505:            HostedSession {\n8506:                session,\n8507:                input,\n8508:                drain,\n8509:                log,\n8510:                endpoint: req.endpoint.clone(),\n8511:                translation,\n8512:                translation_argv: req.translation_binary.clone(),\n8513:                translation_respawns,\n8514:                adapter: req.adapter.clone(),\n8515:                install_dir: req.install_dir.clone().map(std::path::PathBuf::from),\n8516:                spawned_at: Instant::now(),\n8517:            },\n8518:        );\n8519:        // The row exists, so the in-flight ledger has nothing left to say about\n8520:        // this endpoint (releases#199). Cleared HERE, under the same moment that"}],"details":{"displayContent":{"text":"\n/// A child the broker hosts under a PTY — the §B-owned resources for one\n/// session, plus its gapless-resume output log.\nstruct HostedSession {\n    /// The PTY + child (PTY master/writer + spawned child process).\n    session: Arc<PtySession>,\n    /// The session's dedicated PTY input-writer (v0.13.0 P0,\n    /// REQ-HAZARD-PTY-INPUT-WRITER-WEDGE): the SOLE caller of the blocking\n    /// `write_input`. Every dispatch-side write ENQUEUES here and returns at once,\n    /// so a paste burst that fills the harness's input buffer parks only the\n    /// writer thread, never the broker dispatch thread.\n    input: Arc<InputWriter>,\n    /// The output drain pump (kept so teardown can stop it).\n    #[allow(dead_code)] // held for ownership/teardown; not read directly\n    drain: Drain,\n    /// The sequenced, buffered output + current subscriber.\n    log: Arc<Mutex<OutputLog>>,\n    /// The owning endpoint (the spawn's label; empty = unlabeled). The\n    /// inbound dispatcher's gate subject for remote-drive (D9-1).\n    endpoint: String,\n    /// The translation-binary attachment (Layer C), or `None` for a session with\n    /// no `[message-idle-translation-binary]` — then idle inbound delivery SPOOLS\n    /// (no raw PTY inject; ADR-0022 amendment).\n    translation: Option<Arc<Translation>>,\n    /// The resolved translation argv this session was spawned with (F029 C-1) —\n    /// held so a bounded eager respawn after a REAL fault can rebuild the binary\n    /// from the exact same command (`build_translation`) without re-reading the\n    /// manifest (works for a test session with a direct argv AND a production\n    /// session). `None` for a no-translation session. Updated on an adapter-apply\n    /// restart to the swapped-in argv.\n    translation_argv: Option<Vec<String>>,\n    /// The bounded-respawn give-up counter shared with the inject worker (F029 C-1,\n    /// REQ-HAZARD-TRANSLATE-FAULT-PERMANENT-DEATH): the dispatch respawn path\n    /// increments it per rebuild, the worker RESETS it to 0 on a healthy `{commit}`\n    /// (so a recovered binary refreshes the whole budget). At `translate_respawn_\n    /// budget()` the daemon gives up (loud) and leaves the binary dead → spool.\n    translation_respawns: Arc<AtomicU32>,\n    /// The adapter name owning this session (W3a, ADR-0025) — empty for a\n    /// legacy/test/shell spawn. A live adapter update finds every live session\n    /// whose `adapter` matches to cycle its resident children.\n    adapter: String,\n    /// The adapter's install dir for this session (W3a) — `None` if unknown. The\n    /// apply target for a live update's CRC swap.\n    install_dir: Option<std::path::PathBuf>,\n    /// When the session spawned (ADR-0041 decision 6) — the zombie verdict's\n    /// boot-grace anchor: a just-spawned adapter harness has no client chain\n    /// yet and must never read as a dead tree during bringup.\n    // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n    spawned_at: Instant,\n}\n\n…\n        // REQ-HOST-RUN-2: spawn in the requested project cwd when carried;\n        // `None` inherits the broker's cwd (legacy/test + W1 bringup shortcut).\n        // Inject the manifest [env] vars (REQ-HAZARD-ENV-SUBST) on top of the\n        // inherited env — empty for a legacy/N-1 spawn (inherit only).\n        spawn_phase(\"pty_creating\", &format!(\"program={}\", req.program));\n        // INT-RIG SEAM (#235): hold the winner inside `pty_creating` for a set time,\n        // reproducing the measured shape — a ConPTY create that overruns while the\n        // holder is perfectly alive. One long phase with no new stamp is exactly what\n        // the production slow case looks like to the gate, so the rig drives the real\n        // decision path rather than a simulation of it.\n        // Compiled out of release entirely (see `phase_wedge_ceiling`'s seam): a stray\n        // value must never be able to stall a production spawn, and a seam that can only\n        // be reached in a debug build cannot. Parsed once, clamped, and LOUD every time\n        // it fires — a silent delay is the failure mode worth engineering against.\n        #[cfg(debug_assertions)]\n        {\n            static STRETCH: std::sync::OnceLock<Option<Duration>> = std::sync::OnceLock::new();\n            if let Some(d) = STRETCH.get_or_init(|| {\n                let raw = std::env::var(\"SPT_SPAWN_STRETCH_MS\")\n                    .ok()\n                    .and_then(|v| v.parse::<u64>().ok())?;\n                Some(Duration::from_millis(raw.min(30_000)))\n            }) {\n                eprintln!(\n                    \"SPAWN_STRETCH_SEAM:{}: holding pty_creating for {}ms — test seam, \\\n                     debug builds only\",\n                    req.endpoint,\n                    d.as_millis()\n                );\n                thread::sleep(*d);\n            }\n        }\n        let session = match PtySession::spawn_program_in_env(\n            &req.program,\n            &req.args,\n            SurfaceSize::new(req.rows, req.cols),\n            req.cwd.as_deref(),\n            req.env.iter().map(|(k, v)| (k.as_str(), v.as_str())),\n        ) {\n            Ok(session) => session,\n            Err(e) => {\n                spawn_phase(\"pty_failed\", &format!(\"err={e}\"));\n                return Err(format!(\"spawn failed: {e}\"));\n            }\n        };\n        let session = Arc::new(session);\n        let id = self.next_id.fetch_add(1, Ordering::Relaxed);\n        let pid = session.process_id();\n        // The ConPTY-create span releases#199 candidate C names, closed.\n        spawn_phase(\"pty_created\", &format!(\"pid={pid:?}\"));\n\n        // The session's lone PTY input-writer (P0): the SOLE caller of the\n        // blocking `write_input`. Every dispatch-side write enqueues here, so a\n        // paste burst parks only this thread — never the broker dispatch thread\n        // (REQ-HAZARD-PTY-INPUT-WRITER-WEDGE). The inject worker writes through it\n        // too, so the lone writer enforces the W2 inject-floor order.\n        let input = InputWriter::spawn(Arc::clone(&session), req.endpoint.clone());\n        // releases#199: the span from here to `row_inserted` is the one a 10-way\n        // contention run put 1427ms into while the ConPTY create took 14ms — the\n        // child is ALREADY RUNNING through all of it and the row the bring-up poll\n        // reads does not exist yet, which is this issue's face in miniature. So it\n        // is stamped per step rather than as one block.\n        spawn_phase(\"input_writer\", \"\");\n\n        // The output log, with the spawning connection pre-attached as the\n        // controller (identity `None` = LOCAL, not a remote driver) so no chunk\n        // is missed before an explicit subscribe — and so a remote attach to a\n        // spawned-but-undriven session takes control silently (no loud displace\n        // of the local-spawner placeholder; REQ-RCVIEW-1).\n        let log = Arc::new(Mutex::new(OutputLog::new(\n            id,\n            self.log_cap_chunks,\n            req.endpoint.clone(),\n            (req.rows, req.cols),\n        )));\n        log.lock()\n            .unwrap()\n            .become_controller(Arc::clone(send), None, 0, 0);\n        spawn_phase(\"log_ready\", \"\");\n\n        // Output drain → append under the log lock (fast: ring + viewer fan-out),\n        // then deliver to the controller OFF the lock with a bounded deadline\n        // (W1 / REQ-HAZARD-INJECT-CONTROL-COEXIST). The controller write is no\n        // longer inline under the log lock, so a backed-up controller can never\n…\n        thread::spawn(move || {\n…\n            // Bumps the stamp generation under the per-endpoint write serial,\n            // so any snapshot taken BEFORE the removal is refused at write time.\n            // [impl->REQ-HAZARD-CONTROL-STAMP-LIFETIME]\n            // [impl->REQ-CONTROL-STAMP-CONVERGENCE]\n            recover_log(&log_exit).stamp_reaped();\n        });\n\n        spawn_phase(\"waiter_armed\", \"\");\n\n        // Layer C: if the spawn carried a translation binary, bring it up with the\n        // session — spawn the pure stdin→stdout filter + the inject worker that\n        // owns the atomic PTY apply. A spawn failure FAILS CLOSED to SPOOLING\n        // (logged, `None` → idle inbound spools, never raw-injected) rather than\n        // aborting the session — a missing binary costs idle delivery, never the\n        // operator their agent.\n        // C-1: the shared bounded-respawn give-up counter (starts at 0; the worker\n        // resets it on a healthy commit, the dispatch respawn path increments it).\n        let translation_respawns = Arc::new(AtomicU32::new(0));\n        let translation = req\n            .translation_binary\n            .as_deref()\n            .and_then(|argv| {\n                build_translation(\n                    argv,\n                    &req.endpoint,\n                    &input,\n                    Arc::clone(&translation_respawns),\n                    &log,\n                )\n            });\n\n        spawn_phase(\"translation_ready\", \"\");\n\n        recover(&self.sessions).insert(\n            id,\n            HostedSession {\n                session,\n                input,\n                drain,\n                log,\n                endpoint: req.endpoint.clone(),\n                translation,\n                translation_argv: req.translation_binary.clone(),\n                translation_respawns,\n                adapter: req.adapter.clone(),\n                install_dir: req.install_dir.clone().map(std::path::PathBuf::from),\n                spawned_at: Instant::now(),\n            },\n        );\n        // The row exists, so the in-flight ledger has nothing left to say about\n        // this endpoint (releases#199). 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{"type":"message","id":"13503031","parentId":"a2f4e026","timestamp":"2026-09-09T23:55:15.912Z","message":{"role":"toolResult","toolCallId":"call_UaLzXbJPlnt3orjmwWZsCXbH|fc_0ea187522e3f208f016aa1f1e3bf4887d29f76970f0b92d103","toolName":"glob","content":[{"type":"text","text":"# .worktrees/285-zombie/crates/spt-procident/src/\nlib.rs"}],"details":{"scopePath":".worktrees/285-zombie/**/process_identity*, .worktrees/285-zombie/crates/spt-proc*/**/*.rs","fileCount":1,"files":[".worktrees/285-zombie/crates/spt-procident/src/lib.rs"],"truncated":false,"cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core"},"isError":false,"timestamp":1788998115912}}
{"type":"message","id":"03463f0b","parentId":"13503031","timestamp":"2026-09-09T23:55:15.922Z","message":{"role":"toolResult","toolCallId":"call_8pqtRLB7o28rjFdqb40WbD9h|fc_0ea187522e3f208f016aa1f1e3bf5c87d2a6e01a9a07bdd5db","toolName":"grep","content":[{"type":"text","text":"# .worktrees/285-zombie/crates/spt-daemon/src/\n## broker.rs#0038\n 386:/// Boot grace before an adapter session with no live client chain can read as a\n*387:/// zombie (ADR-0041 decision 6): a just-spawned harness wrapper has not forked\n 388:/// its clients yet. Env-tunable so the int rig is deterministic.\n 389:fn spawn_client_grace() -> Duration {\n 390:    std::env::var(\"SPT_SPAWN_CLIENT_GRACE_MS\")\n...\n 411:/// client: wrapper-alive means live, descendants never consulted. An unknown\n*412:/// pid (`None`) is never guessed at — not a zombie.\n 413:// [impl->REQ-ENDPOINT-CYCLE-HONEST]\n*414:fn zombie_verdict(\n 415:    wrapper_alive: Option<bool>,\n 416:    adapter_labeled: bool,\n 417:    has_live_descendants: bool,\n...\n 421:        None => false,        // no probeable pid — never guess\n*422:        Some(false) => true,  // dead root, surviving record — always a zombie\n 423:        Some(true) => adapter_labeled && past_grace && !has_live_descendants,\n 424:    }\n 425:}\n 426:\n*427:/// The impure probe feeding [`zombie_verdict`] for a claimed live session —\n 428:/// runs OFF every broker lock (a process-table walk is real work; KH 7.12).\n 429:/// `spawned_ms_ago` comes from the session's `spawned_at`; callers on the\n 430:/// KIND_SESSIONS reply use the additive `SessionInfo` fields, so the CLI\n 431:/// preflight and the broker gate consult the SAME authority.\n*432:/// PURE resolution of the two liveness probes for [`session_is_zombie`], so the\n 433:/// NO-SNAPSHOT arm is unit-testable WITHOUT a platform that lacks a process\n 434:/// table (the W1 `unconfirmed_verdict` injection shape).\n 435:///\n...\n 445:// [impl->REQ-ENDPOINT-CYCLE-HONEST]\n*446:pub fn session_is_zombie(pid: Option<u32>, adapter_labeled: bool, spawned_ms_ago: u64) -> bool {\n 447:    // THE ORACLE, not a handle-probe (KNOWN-HAZARDS 7.50). `is_process_alive`\n 448:    // asks `OpenProcess`, which keeps succeeding for a TERMINATED pid while a\n 449:    // handle to it stays open — and this broker holds `Arc<PtySession>`, hence\n 450:    // that handle, for exactly the sessions it is asked about. A reaped root\n*451:    // therefore read `Some(true)` here and fell off `zombie_verdict`'s PRIMARY\n 452:    // \"dead root, surviving record\" arm onto the conditional one, so a dead\n 453:    // root that is NOT adapter-labeled was claimed LIVE indefinitely.\n 454:    // NO-SNAPSHOT FALLS BACK, and the fallback is EXACT rather than a\n...\n 456:    // about the process, not about a handle the caller holds, and Linux demotes\n*457:    // a /proc zombie), while Windows ALWAYS has a process table. So \"no table\"\n 458:    // implies unix implies no handle problem — the two conditions cannot both\n*459:    // fail. Routing to `None` here instead would have DISABLED zombie detection\n 460:    // on non-Linux unix, trading a Windows-unsound oracle for an inoperative\n 461:    // one: the same bad trade refused at livehost.rs's self-heal probe.\n 462:    // `None` therefore survives only for an UNKNOWN PID, which is the case\n*463:    // `zombie_verdict` already answers with \"never guess\".\n 464:    let wrapper_alive = pid.map(|p| {\n 465:        resolve_wrapper_alive(spt_store::proc::process_exists(p), || {\n 466:            spt_store::proc::is_process_alive(p)\n...\n 474:    let past_grace = Duration::from_millis(spawned_ms_ago) >= spawn_client_grace();\n*475:    zombie_verdict(wrapper_alive, adapter_labeled, has_live_descendants, past_grace)\n 476:}\n 477:\n 478:/// The RC-origin input-fence verdict (ADR-0044 decision 3,\n...\n 3101:            //     Busy that locks the replacement out behind a stale-replay\n*3102:            //     worker serving a zombie stream (the redispatch_stall T6\n 3103:            //     post-restart lockout).\n 3104:            //   0 on either side → local / N-1 legacy re-take, preserved.\n 3105:            // [impl->REQ-CONTROLLER-LEASE-IDENTITY]\n...\n 4072:/// session, plus its gapless-resume output log.\n*4073:struct HostedSession {\n 4074:    /// The PTY + child (PTY master/writer + spawned child process).\n 4075:    session: Arc<PtySession>,\n 4076:    /// The session's dedicated PTY input-writer (v0.13.0 P0,\n...\n 4113:    install_dir: Option<std::path::PathBuf>,\n*4114:    /// When the session spawned (ADR-0041 decision 6) — the zombie verdict's\n 4115:    /// boot-grace anchor: a just-spawned adapter harness has no client chain\n 4116:    /// yet and must never read as a dead tree during bringup.\n 4117:    // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n...\n 5121:    }\n*5122:    // `event_tx` dropped → session teardown. Reap the child (no zombie).\n 5123:    child.terminate();\n 5124:}\n 5125:\n...\n 5313:    /// stand-in there would read as AlreadyLive to the wake gate, would face\n*5314:    /// `session_is_zombie(None, ..)` with nothing to reason from, and would have\n 5315:    /// to be tolerated by every `process_id()` reader and unwound on every\n 5316:    /// failure path. Kept outside that table, none of those readers changes at\n 5317:    /// all — the blast radius is closed by construction rather than by\n...\n 6139:                    // reply so the CLI preflight and the shutdown edge consult\n*6140:                    // the SAME zombie verdict the spawn gate enforces.\n 6141:                    // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n 6142:                    type SessRow = (u64, String, Arc<Mutex<OutputLog>>, Option<u32>, String, u64);\n 6143:                    let rows: Vec<SessRow> = {\n...\n 6175:                        stamp_gen: u64,\n*6176:                        // ADR-0041 decision 6: the zombie-verdict inputs, carried\n 6177:                        // to the reply (additive SessionInfo fields).\n 6178:                        pid: Option<u32>,\n 6179:                        adapter: String,\n...\n 7951:        // and from the client's own wait: the single-flight gate below (bounded by the\n*7952:        // holder's PROGRESS since #235, plus an unbounded-looking zombie-reap re-evaluation)\n 7953:        // and the ConPTY create (candidate C). Stamped in the SHARED choke, not\n 7954:        // only on the bring-up path, because the choke is where the time goes.\n 7955:        // [impl->REQ-ER-BRINGUP-LAUNCH-PHASE-TRACE]\n\nSkipped missing paths: .worktrees/285-zombie/crates/spt-daemon/src/broker"}],"details":{"scopePath":".worktrees/285-zombie/crates/spt-daemon/src/broker.rs, .worktrees/285-zombie/crates/spt-term/src","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":20,"fileCount":1,"files":[".worktrees/285-zombie/crates/spt-daemon/src/broker.rs"],"fileMatches":[{"path":".worktrees/285-zombie/crates/spt-daemon/src/broker.rs","count":20}],"truncated":true,"perFileLimitReached":20,"displayContent":"# .worktrees/285-zombie/crates/spt-daemon/src/\n## broker.rs#0038\n  386│/// Boot grace before an adapter session with no live client chain can read as a\n *387│/// zombie (ADR-0041 decision 6): a just-spawned harness wrapper has not forked\n  388│/// its clients yet. Env-tunable so the int rig is deterministic.\n  389│fn spawn_client_grace() -> Duration {\n  390│    std::env::var(\"SPT_SPAWN_CLIENT_GRACE_MS\")\n     │...\n  411│/// client: wrapper-alive means live, descendants never consulted. An unknown\n *412│/// pid (`None`) is never guessed at — not a zombie.\n  413│// [impl->REQ-ENDPOINT-CYCLE-HONEST]\n *414│fn zombie_verdict(\n  415│    wrapper_alive: Option<bool>,\n  416│    adapter_labeled: bool,\n  417│    has_live_descendants: bool,\n     │...\n  421│        None => false,        // no probeable pid — never guess\n *422│        Some(false) => true,  // dead root, surviving record — always a zombie\n  423│        Some(true) => adapter_labeled && past_grace && !has_live_descendants,\n  424│    }\n  425│}\n  426│\n *427│/// The impure probe feeding [`zombie_verdict`] for a claimed live session —\n  428│/// runs OFF every broker lock (a process-table walk is real work; KH 7.12).\n  429│/// `spawned_ms_ago` comes from the session's `spawned_at`; callers on the\n  430│/// KIND_SESSIONS reply use the additive `SessionInfo` fields, so the CLI\n  431│/// preflight and the broker gate consult the SAME authority.\n *432│/// PURE resolution of the two liveness probes for [`session_is_zombie`], so the\n  433│/// NO-SNAPSHOT arm is unit-testable WITHOUT a platform that lacks a process\n  434│/// table (the W1 `unconfirmed_verdict` injection shape).\n  435│///\n     │...\n  445│// [impl->REQ-ENDPOINT-CYCLE-HONEST]\n *446│pub fn session_is_zombie(pid: Option<u32>, adapter_labeled: bool, spawned_ms_ago: u64) -> bool {\n  447│    // THE ORACLE, not a handle-probe (KNOWN-HAZARDS 7.50). `is_process_alive`\n  448│    // asks `OpenProcess`, which keeps succeeding for a TERMINATED pid while a\n  449│    // handle to it stays open — and this broker holds `Arc<PtySession>`, hence\n  450│    // that handle, for exactly the sessions it is asked about. A reaped root\n *451│    // therefore read `Some(true)` here and fell off `zombie_verdict`'s PRIMARY\n  452│    // \"dead root, surviving record\" arm onto the conditional one, so a dead\n  453│    // root that is NOT adapter-labeled was claimed LIVE indefinitely.\n  454│    // NO-SNAPSHOT FALLS BACK, and the fallback is EXACT rather than a\n     │...\n  456│    // about the process, not about a handle the caller holds, and Linux demotes\n *457│    // a /proc zombie), while Windows ALWAYS has a process table. So \"no table\"\n  458│    // implies unix implies no handle problem — the two conditions cannot both\n *459│    // fail. Routing to `None` here instead would have DISABLED zombie detection\n  460│    // on non-Linux unix, trading a Windows-unsound oracle for an inoperative\n  461│    // one: the same bad trade refused at livehost.rs's self-heal probe.\n  462│    // `None` therefore survives only for an UNKNOWN PID, which is the case\n *463│    // `zombie_verdict` already answers with \"never guess\".\n  464│    let wrapper_alive = pid.map(|p| {\n  465│        resolve_wrapper_alive(spt_store::proc::process_exists(p), || {\n  466│            spt_store::proc::is_process_alive(p)\n     │...\n  474│    let past_grace = Duration::from_millis(spawned_ms_ago) >= spawn_client_grace();\n *475│    zombie_verdict(wrapper_alive, adapter_labeled, has_live_descendants, past_grace)\n  476│}\n  477│\n  478│/// The RC-origin input-fence verdict (ADR-0044 decision 3,\n     │...\n 3101│            //     Busy that locks the replacement out behind a stale-replay\n*3102│            //     worker serving a zombie stream (the redispatch_stall T6\n 3103│            //     post-restart lockout).\n 3104│            //   0 on either side → local / N-1 legacy re-take, preserved.\n 3105│            // [impl->REQ-CONTROLLER-LEASE-IDENTITY]\n     │...\n 4072│/// session, plus its gapless-resume output log.\n*4073│struct HostedSession {\n 4074│    /// The PTY + child (PTY master/writer + spawned child process).\n 4075│    session: Arc<PtySession>,\n 4076│    /// The session's dedicated PTY input-writer (v0.13.0 P0,\n     │...\n 4113│    install_dir: Option<std::path::PathBuf>,\n*4114│    /// When the session spawned (ADR-0041 decision 6) — the zombie verdict's\n 4115│    /// boot-grace anchor: a just-spawned adapter harness has no client chain\n 4116│    /// yet and must never read as a dead tree during bringup.\n 4117│    // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n     │...\n 5121│    }\n*5122│    // `event_tx` dropped → session teardown. Reap the child (no zombie).\n 5123│    child.terminate();\n 5124│}\n 5125│\n     │...\n 5313│    /// stand-in there would read as AlreadyLive to the wake gate, would face\n*5314│    /// `session_is_zombie(None, ..)` with nothing to reason from, and would have\n 5315│    /// to be tolerated by every `process_id()` reader and unwound on every\n 5316│    /// failure path. Kept outside that table, none of those readers changes at\n 5317│    /// all — the blast radius is closed by construction rather than by\n     │...\n 6139│                    // reply so the CLI preflight and the shutdown edge consult\n*6140│                    // the SAME zombie verdict the spawn gate enforces.\n 6141│                    // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n 6142│                    type SessRow = (u64, String, Arc<Mutex<OutputLog>>, Option<u32>, String, u64);\n 6143│                    let rows: Vec<SessRow> = {\n     │...\n 6175│                        stamp_gen: u64,\n*6176│                        // ADR-0041 decision 6: the zombie-verdict inputs, carried\n 6177│                        // to the reply (additive SessionInfo fields).\n 6178│                        pid: Option<u32>,\n 6179│                        adapter: String,\n     │...\n 7951│        // and from the client's own wait: the single-flight gate below (bounded by the\n*7952│        // holder's PROGRESS since #235, plus an unbounded-looking zombie-reap re-evaluation)\n 7953│        // and the ConPTY create (candidate C). Stamped in the SHARED choke, not\n 7954│        // only on the bring-up path, because the choke is where the time goes.\n 7955│        // [impl->REQ-ER-BRINGUP-LAUNCH-PHASE-TRACE]","missingPaths":[".worktrees/285-zombie/crates/spt-daemon/src/broker"]},"isError":false,"timestamp":1788998115922}}
{"type":"message","id":"418f9eb2","parentId":"03463f0b","timestamp":"2026-09-09T23:55:15.987Z","message":{"role":"toolResult","toolCallId":"call_frya4DLnGx4O6amuKN2rlTii|fc_0ea187522e3f208f016aa1f1e3bf6087d28d14b065131982db","toolName":"read","content":[{"type":"text","text":"Note: interpreted as 2 paths: .worktrees/285-zombie/traceable-reqs.toml:4470-4525, .worktrees/285-zombie/CHANGELOG.md:1-45\n\n[.worktrees/285-zombie/traceable-reqs.toml#89CE]\n4449:[[groups]]\n…\n4451:requirements = [\n…\n4469:  \"REQ-KICK-1\",\n4470:  \"REQ-SERVE-OWNERSHIP-GENERATION\",\n4471:]\n4472:\n4473:[[groups]]\n4474:name = \"daemon-process-lifecycle\"\n4475:requirements = [\n4476:  \"REQ-BROKER-STOP-DENY-NAMES-BLAST\",\n4477:  \"REQ-BROKER-STOP-ENDPOINT-DENY\",\n4478:  \"REQ-DAEMON-1\",\n4479:  \"REQ-DAEMON-3\",\n4480:  \"REQ-DAEMON-4\",\n4481:  \"REQ-DAEMON-7\",\n4482:  \"REQ-DAEMON-BITS-AMBIGUITY\",\n4483:  \"REQ-DAEMON-RESTART-SELF-INTERRUPTION\",\n4484:  \"REQ-DAEMON-STDERR-PERSIST\",\n4485:  \"REQ-DAEMON-STOP-LIVE-SESSION-WARN\",\n4486:  \"REQ-ENDPOINT-TEARDOWN-AUTHORITY\",\n4487:  \"REQ-ENSURE-DAEMON-STOP-INHIBIT\",\n4488:  \"REQ-HAZARD-BRAIN-RESTART-PSYCHE-DUP\",\n4489:  \"REQ-HAZARD-DAEMON-STOP-BARRIER\",\n4490:  \"REQ-HAZARD-DAEMON-STOP-REAP\",\n4491:  \"REQ-HAZARD-DROP-FILE-SINGLE-WRITER\",\n4492:  \"REQ-HAZARD-RC-EOF\",\n4493:  \"REQ-HAZARD-RESTART-IDEMPOTENT\",\n4494:  \"REQ-HAZARD-SEEDMAP-CONNECT-UNBOUNDED\",\n4495:  \"REQ-HAZARD-STOP-RESPAWN-CONVOY\",\n4496:  \"REQ-HAZARD-TRANSLATE-FAULT-PERMANENT-DEATH\",\n4497:  \"REQ-NET-FAMILY-GATE\",\n4498:  \"REQ-SHELL-CLI-SPAWN-JOB-EXPOSURE\",\n4499:  \"REQ-UPDATE-FINISH-ENDPOINT-SURVIVAL\",\n4500:]\n4501:\n4502:[[groups]]\n4503:name = \"dispatch-redispatch\"\n4504:requirements = [\n4505:  \"REQ-DISPATCH-CLAIM-RETRY\",\n4506:  \"REQ-DISPATCH-FALLBACK-CIRCUIT\",\n4507:  \"REQ-DISPATCH-HYGIENE-TELEMETRY\",\n4508:  \"REQ-HAZARD-REDISPATCH-STALL\",\n4509:  \"REQ-LIVE-AGENT-NO-INJECT-DELIVERY\",\n4510:  \"REQ-REGISTRY-REPLAY-BOUNDED\",\n4511:  \"REQ-SERVE-OWNERSHIP-GENERATION\",\n4512:  \"REQ-STREAM-OPENER-DURABLE\",\n4513:  \"REQ-STREAMLOG-SUBSCRIBER-DISCIPLINE\",\n4514:]\n4515:\n4516:[[groups]]\n4517:name = \"docs-traceability\"\n4518:requirements = [\n4519:  \"REQ-CI-DOCS-ONLY-THIN\",\n4520:  \"REQ-DOC-DELIVERY-VOCAB\",\n4521:  \"REQ-DOC-ECHO-COMMUNE-CONTRACT\",\n4522:  \"REQ-DOCS-1\",\n4523:  \"REQ-DOCS-2\",\n4524:  \"REQ-DOCS-3\",\n4525:  \"REQ-DOCS-4\",\n4526:  \"REQ-DOCS-5\",\n4527:  \"REQ-DOCS-6\",\n4528:  \"REQ-DOCS-LOCAL-SERVER\",\n…\n4548:]\n4549:\n\n[Showing lines 4469-4528 of 7566. Use :4529 to continue]\n\n[.worktrees/285-zombie/CHANGELOG.md#8957]\n1:# Changelog\n2:\n3:All notable **user-facing** changes to `spt` — what a person running the CLI\n4:notices or does differently. The `## [<version>]` section of each release\n5:becomes that release's GitHub Release notes verbatim (see\n6:`docs/RELEASE-RUNBOOK.md`). This project follows\n7:[Keep a Changelog](https://keepachangelog.com) and semantic versioning.\n8:Pre-1.0, choose the bump by what a user can notice: **minor** when a release\n9:breaks something, or changes the observable behavior of existing surfaces\n10:broadly; **patch** for fixes, and for additive opt-in capability — a new key,\n11:flag, or page that no existing user can encounter without opting into it.\n12:\n13:## [0.68.0] - 2026-09-08\n14:\n15:Web serving. Files, directories, adapter documentation and the changelog are\n16:reachable at node-prefixed addresses on the local server, and an address that\n17:names another machine in the subnet is answered by the machine that owns it.\n18:Messages can carry attachments the receiver pulls on demand, every message\n19:gets a short ID to show or reply to, and a machine with no spt on it can be\n20:handed the binary over the local network. The `XFER` access surface is retired.\n21:\n22:### Added\n23:\n24:<!-- [doc->REQ-WEB-SERVING-REGISTRY] -->\n25:- `spt serve add`, `spt serve rm`, and `spt serve list --json` manage live file\n26:  and directory references. Same-name registrations receive stable numbered\n27:  suffixes; removing an entry never deletes its source. Only the same absolute\n28:  path and kind may reclaim a retired name.\n29:- Every registered adapter gets a core-owned `web/` output directory.\n30:  `[adapter].web_short_path` optionally gives it a short URL alias. Removing\n31:  an adapter stops serving its output without deleting the files.\n32:- `spt adapter add` names each manifest key it does not know on stderr\n33:  (`manifest: unknown key [<table>].<key> (ignored)`) and still registers;\n34:  a misspelled optional key is no longer visible only by its absence.\n35:<!-- [doc->REQ-WEB-ACCESS-SURFACE] -->\n36:- `WEB` joins the access-control vocabulary. It is open by default within the\n37:  subnet, but explicit WEB denies still govern. Existing file transfer is\n38:  unchanged.\n39:<!-- [doc->REQ-WEB-CROSS-NODE-PROXY] -->\n40:- A served resource's URL now works from every machine in the subnet: a\n41:  request for `/<peer>/…` on the local loopback server is answered by the\n42:  owning node through the local daemon. The body streams and nothing is\n43:  cached; `HEAD` and `Range` requests are honored by the owner. An owner\n44:  that refuses answers 403 naming `WEB`; an owner that cannot be reached\n45:  answers 502 naming the node, within a bounded time.\n46:- `spt send --attachment <path>` sends a file with a message. The file's bytes\n47:  are captured as they are at send time, so later edits or a deletion do not\n48:  change what arrives, and the receiver pulls them with `spt fetch` when it\n…\n50:  days, a unit is required); expired attachments answer 404 immediately.\n…\n74:\n…\n107:\n…\n3115:First public release of `spt`.\n\n[Showing lines 1-48 of 3115. Use :49 to continue]"}],"details":{"notes":["Note: interpreted as 2 paths: .worktrees/285-zombie/traceable-reqs.toml:4470-4525, .worktrees/285-zombie/CHANGELOG.md:1-45"],"displayReadTargets":[".worktrees/285-zombie/traceable-reqs.toml:4470-4525",".worktrees/285-zombie/CHANGELOG.md:1-45"]},"isError":false,"timestamp":1788998115986}}
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{"type":"message","id":"b4ec2931","parentId":"712c7b63","timestamp":"2026-09-09T23:55:30.505Z","message":{"role":"toolResult","toolCallId":"call_yEhG2NTFYuhhBibMQBvLiX2G|fc_0ea187522e3f208f016aa1f1f2481487d2bc2e5d5ecfd5c15e","toolName":"grep","content":[{"type":"text","text":"# .worktrees/285-zombie/crates/\n\n## spt-daemon/src/\n### broker.rs#0038\n 286:\n*287:impl Drop for WakeClaimGuard<'_> {\n*288:    fn drop(&mut self) {\n 289:        release_claim(&mut recover(self.map), &self.endpoint, self.generation);\n 290:    }\n 291:}\n...\n 3688:    }\n*3689:    impl Drop for ExitNote {\n*3690:        fn drop(&mut self) {\n 3691:            self.send.lifecycle_event(\n 3692:                \"writer-exit\",\n 3693:                &format!(\"role=viewer session={} reason={}\", self.session_id, self.reason),\n...\n 5924:        struct HandlerTally<'a>(&'a AtomicUsize);\n*5925:        impl Drop for HandlerTally<'_> {\n*5926:            fn drop(&mut self) {\n 5927:                self.0.fetch_sub(1, Ordering::AcqRel);\n 5928:            }\n 5929:        }\n...\n 9952:#[cfg(test)]\n*9953:mod tests {\n 9954:    use super::*;\n 9955:    use crate::msg::KIND_VIEWER_EVICTED;\n 9956:\n\n## spt-term/src/\n### reader.rs#B80F\n 281:#[cfg(test)]\n*282:mod tests {\n 283:    use super::*;\n 284:    use std::sync::Mutex;\n 285:    use std::time::Duration;"}],"details":{"scopePath":".worktrees/285-zombie/crates/spt-daemon/src/broker.rs, .worktrees/285-zombie/crates/spt-term/src/reader.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":8,"fileCount":2,"files":[".worktrees/285-zombie/crates/spt-daemon/src/broker.rs",".worktrees/285-zombie/crates/spt-term/src/reader.rs"],"fileMatches":[{"path":".worktrees/285-zombie/crates/spt-daemon/src/broker.rs","count":7},{"path":".worktrees/285-zombie/crates/spt-term/src/reader.rs","count":1}],"truncated":false,"displayContent":"# .worktrees/285-zombie/crates/\n\n## spt-daemon/src/\n### broker.rs#0038\n  286│\n *287│impl Drop for WakeClaimGuard<'_> {\n *288│    fn drop(&mut self) {\n  289│        release_claim(&mut recover(self.map), &self.endpoint, self.generation);\n  290│    }\n  291│}\n     │...\n 3688│    }\n*3689│    impl Drop for ExitNote {\n*3690│        fn drop(&mut self) {\n 3691│            self.send.lifecycle_event(\n 3692│                \"writer-exit\",\n 3693│                &format!(\"role=viewer session={} reason={}\", self.session_id, self.reason),\n     │...\n 5924│        struct HandlerTally<'a>(&'a AtomicUsize);\n*5925│        impl Drop for HandlerTally<'_> {\n*5926│            fn drop(&mut self) {\n 5927│                self.0.fetch_sub(1, Ordering::AcqRel);\n 5928│            }\n 5929│        }\n     │...\n 9952│#[cfg(test)]\n*9953│mod tests {\n 9954│    use super::*;\n 9955│    use crate::msg::KIND_VIEWER_EVICTED;\n 9956│\n\n## spt-term/src/\n### reader.rs#B80F\n 281│#[cfg(test)]\n*282│mod tests {\n 283│    use super::*;\n 284│    use std::sync::Mutex;\n 285│    use std::time::Duration;"},"isError":false,"timestamp":1788998130505}}
{"type":"message","id":"172ea3d4","parentId":"b4ec2931","timestamp":"2026-09-09T23:55:30.525Z","message":{"role":"toolResult","toolCallId":"call_spcLOkhSKN8jyIO9C4kfEG30|fc_0ea187522e3f208f016aa1f1f247cc87d2bc88f63acdf5f72b","toolName":"read","content":[{"type":"text","text":"[.worktrees/285-zombie/crates/spt-procident/src/lib.rs#6407]\n1://! The one process-IDENTITY predicate on this box.\n2://!\n3://! Moved here VERBATIM from `spt-store::proc` (BAROMETER H3, releases#103) for\n4://! one reason: a cargo **build script** sees only `[build-dependencies]`, so the\n5://! build-cache pool guard could not reach the predicate where it lived. The only\n6://! alternative was a second copy of a pid+birth liveness probe — a second source\n7://! under exactly the hazard the first one exists for (pid reuse; ADR-0047\n8://! decision 1's custody pair test; KNOWN-HAZARDS 7.50/7.51). A leaf crate below\n9://! `spt-store` keeps it single-sourced instead.\n10://!\n11://! `spt-store::proc` re-exports every item here verbatim, so NO call site and NO\n12://! test moved with it, and nothing in this crate is new behaviour. Doc links to\n13://! the siblings that stayed behind (`parent_pid`, `process_ancestry`,\n14://! `provably_gone`, `process_descendants`, `process_cmdline`) are plain code\n15://! spans here for the same reason — the prose is unchanged, only the linkage.\n16:// [impl->REQ-POOL-ONE-LIVENESS-PREDICATE]\n17:\n18:/// Whether a process with `pid` is currently alive. Best-effort and\n19:/// side-effect-free — sends no signal, opens then immediately closes a handle.\n20:///\n21:/// # The question this does NOT answer (KNOWN-HAZARDS 7.50)\n22:///\n23:/// **\"Is it GONE?\" about a process the ASKER (or a live ancestor) still holds\n24:/// an open handle to.** On Windows `OpenProcess` keeps SUCCEEDING for a\n25:/// TERMINATED process while any handle to it remains open, so a correctly\n26:/// reaped child reads ALIVE to whoever retained it. Dropping a `Child` closes\n27:/// the handle, so a spawner that drops is honest and one that RETAINS is not —\n28:/// which means **the same call is sound in the CLI and unsound in the daemon\n29:/// for the same pid**. The broker holds `Arc<PtySession>`, hence the handle,\n30:/// by construction for exactly the sessions it is asked about.\n31:///\n32:/// This call stays CORRECT for \"is this OTHER process (that I never spawned)\n33:/// still running\" — the roster/auth/startup-anchor shape. When the question is\n34:/// existence of a process you may own, ask [`process_exists`], whose name IS\n35:/// the question and which answers from the process table instead.\n36:///\n37:/// `pid == 0` always reads **dead**: it is never a real perch/listener pid\n38:/// (the kernel/idle process on both OSes), and on Unix `kill(0, 0)` does not\n39:/// probe a process at all — it targets the **caller's own process group**, so\n40:/// it always succeeds and a pid-0 row would read permanently \"alive\" on Linux\n41:/// while reading dead on Windows (`OpenProcess(0)` fails). The guard makes the\n42:/// probe's answer OS-independent.\n43:// [impl->REQ-HAZARD-REGISTRY-STALE-CLEAN]\n44-92:pub fn is_process_alive(pid: u32) -> bool { … }\n93:\n94:/// The parent pid of an **arbitrary** process `pid` — generalizes `parent_pid`\n95:/// (which answers only for the current process via the fast pseudo-handle) so the\n96:/// process ANCESTRY can be walked for self-identification when the env self-id legs\n97:/// are absent (REQ-MSG-SELF-DETECT-ANCESTRY). `None` on query failure / dead pid /\n98:/// unsupported platform (a non-Linux unix has no `/proc`, so only the direct\n99:/// `getppid` self-parent is knowable there — see `process_ancestry`).\n100:///\n101:/// Linux: `/proc/<pid>/stat` field 4 (ppid) — read AFTER the `)` closing `comm`\n102:/// (comm may itself contain spaces/parens). Windows:\n103:/// `NtQueryInformationProcess(ProcessBasicInformation)` over an\n104:/// `OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION)` handle (the non-hanging path,\n105:/// mirroring [`is_process_alive`]).\n106:// [impl->REQ-MSG-SELF-DETECT-ANCESTRY]\n107-185:pub fn parent_pid_of(pid: u32) -> Option<u32> { … }\n186:\n187:/// One full process snapshot as `(pid, parent_pid)` pairs — the FORWARD-walk\n188:/// substrate [`parent_pid_of`] lacks (it answers child→parent only, one pid at a\n189:/// time). This is the map a scope-strict DESCENDANT walk (`process_descendants`)\n190:/// needs to find a process's whole subtree for a tree-kill. Best-effort: an\n191:/// unreadable snapshot yields an empty vec (never a panic); a non-Linux unix has\n192:/// no `/proc`, so it too returns empty (the caller degrades to a single-pid kill).\n193:///\n194:/// Windows: one `CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS)` + `Process32First/NextW`\n195:/// sweep — coherent enough (a momentary snapshot; pid recycling across the sweep is\n196:/// bounded by the descendant walk's own visited-set). Linux: `/proc/<pid>/stat`\n197:/// field-4 ppid over every numeric `/proc` entry (the same last-`)`-split parse as\n198:/// `parent_pid_of`, tolerant of a `comm` with spaces/parens).\n199:/// Does a process with `pid` still EXIST — answered from the process table,\n200:/// never from a handle the caller may be holding (KNOWN-HAZARDS 7.50).\n201:///\n202:/// This is the sound probe for \"is it GONE?\" about a process you may OWN, the\n203:/// question [`is_process_alive`] cannot answer on Windows: a retained handle\n204:/// keeps `OpenProcess` succeeding for a corpse, and the broker retains one for\n205:/// every PTY child it spawned. The table has no such blind spot — a terminated\n206:/// process is not in it, whoever holds what.\n207:///\n208:/// Tri-state on purpose:\n209:/// - `Some(true)`  — a snapshot exists and the pid is IN it.\n210:/// - `Some(false)` — a snapshot exists and the pid is ABSENT: positive proof,\n211:///   **within the asker's visibility** — see the scope note below.\n212:/// - `None`        — NO SNAPSHOT (platforms with no table: non-Linux unix).\n213:///   **NO KNOWLEDGE, never proof of death.** Callers must not read this as\n214:///   \"gone\": an empty table answering `Some(false)` would classify every live\n215:///   process a corpse — the W1 stale-row blocker inverted at broker scope.\n216:///   A stamp requires POSITIVE proof the process is gone; absence of an\n217:///   oracle is not that proof.\n218:///\n219:/// # SCOPE of `Some(false)` — proof within the asker's VISIBILITY, not universal\n220:///\n221:/// A PRESENT table is not automatically a COMPLETE one. [`process_table`] drops\n222:/// any pid whose `/proc/<pid>/stat` it cannot read (`parent_pid_of` returns\n223:/// `None` and the entry is skipped), so on Linux the table can be NON-EMPTY and\n224:/// INCOMPLETE — and this then answers `Some(false)`, positive proof of death,\n225:/// for a process that is alive. Reachable via `/proc` mounted `hidepid=1|2`\n226:/// (other users' processes hidden) or from a different PID namespace.\n227:///\n228:/// So `Some(false)` means: **gone, among the processes this asker can see** —\n229:/// same user, same PID namespace. Every consumer today satisfies that scope,\n230:/// because each asks about a process it or its own daemon spawned (hidepid\n231:/// hides OTHER users' processes, never your own, and a foreign namespace makes\n232:/// the pid meaningless here anyway). Nothing changes today. A NEW consumer must\n233:/// CHECK that it is inside that scope rather than inherit the guarantee — the\n234:/// claim is true in context, and this note exists so nobody reads it as a law.\n235:///\n236:/// # NOT a strict upgrade over [`is_process_alive`] — do not mass-migrate\n237:///\n238:/// This is the right oracle ONLY where the handle problem exists: an asker\n239:/// probing a process IT OWNS. Where no handle is retained, `is_process_alive`\n240:/// is the BETTER probe on snapshot-less platforms — it asks `kill(pid, 0)`,\n241:/// which needs no table at all, so it still answers CORRECTLY where\n242:/// `process_table` comes back empty and this function can only say `None`.\n243:/// Migrating a sound site to this one therefore TRADES a working probe for\n244:/// \"never guess\" on exactly the platforms with no process table. The two\n245:/// answer different questions with different platform profiles; neither is\n246:/// simply the newer one.\n247:// [impl->REQ-LIVENESS-ORACLE-SOUND]\n248-254:pub fn process_exists(pid: u32) -> Option<bool> { … }\n255:\n256:/// A process's START TIME — the discriminator that turns a bare pid into an\n257:/// IDENTITY (ADR-0047 decision 1, KNOWN-HAZARDS 7.51). Opaque and\n258:/// platform-scoped: comparable ONLY against another reading of the SAME pid on\n259:/// the SAME boot of the SAME machine, which is exactly the custody question\n260:/// (\"is the process wearing this pid still the one I minted?\"). Never rendered,\n261:/// never compared across hosts, never interpreted as a wall clock.\n262:///\n263:/// - Linux: `/proc/<pid>/stat` field 22 (`starttime`, clock ticks since boot) —\n264:///   the same last-`)`-split parse [`parent_pid_of`] uses.\n265:/// - Windows: `GetProcessTimes`'s creation `FILETIME` (100 ns units since 1601)\n266:///   over a freshly-opened `PROCESS_QUERY_LIMITED_INFORMATION` handle. That\n267:///   handle is NOT a liveness claim — 7.50 forbids only asking a retained handle\n268:///   whether a process is GONE, and this call never asks that: existence is\n269:///   settled by [`process_identity`] from the snapshot BEFORE the creation time\n270:///   is read, and a recycled pid's creation time simply differs.\n271:/// - Other unix: `None` (no `/proc`) — no identity oracle, which surfaces as\n272:///   [`ProcIdentity::Unproven`] rather than a manufactured verdict.\n273:// [impl->REQ-RESUME-CUSTODY-IDENTITY]\n274-333:pub fn process_started_at(pid: u32) -> Option<u64> { … }\n334:\n335:/// What a pid's IDENTITY reads right now — the tri-state a custody record is\n336:/// tested against (ADR-0047 decision 1). Deliberately shaped like\n337:/// [`process_exists`]'s tri-state: \"no oracle\" is its own answer, never a\n338:/// manufactured death or life.\n339:#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n340-349:pub enum ProcIdentity { … }\n350:\n351:/// The pid → identity probe behind custody's pair test (ADR-0047 decision 1,\n352:/// KNOWN-HAZARDS 7.51). Existence comes FIRST and from the process TABLE\n353:/// ([`process_exists`] — sound for a process the asker may own, 7.50), and only\n354:/// then is the start time read as the discriminator. A pid recycled onto an\n355:/// unrelated process is therefore `Present(other_start_time)` — which fails the\n356:/// custody pair test and reads NOT OURS, instead of the bare-pid \"alive\" that\n357:/// made a corpse's custody immortal.\n358:///\n359:/// PRESENCE IS NOT LIFE ON UNIX. A killed child whose parent has not reaped it\n360:/// stays in the table as a ZOMBIE, and `/proc/<pid>/stat` keeps answering — so\n361:/// existence-then-start-time would read `Present(our_own_birth)`, i.e. HELD, for\n362:/// a process that is provably dead. The zombie is demoted here, by the same\n363:/// probe `provably_gone` already uses, so both death oracles agree; the\n364:/// alternative (each caller remembering to ask twice) is how a Linux-only\n365:/// never-converges bug reaches a gate. Windows needs no such demotion: a\n366:/// terminated process leaves the snapshot outright.\n367:// [impl->REQ-RESUME-CUSTODY-IDENTITY]\n368-381:pub fn process_identity(pid: u32) -> ProcIdentity { … }\n382:\n383:/// A pid PLUS the birth stamp it carried when it was found — the unit a poller\n384:/// must hold if its verdict is to be about the process it saw rather than about\n385:/// whoever holds that number later (IR-15).\n386:///\n387:/// `provably_gone` answers \"is *a* process at this pid?\", which is the right\n388:/// question for a pid you were just handed and the WRONG one for a pid you\n389:/// captured seconds ago and have been polling since. Between capture and verdict\n390:/// the process can die and the OS can hand its number to something unrelated; the\n391:/// bare-pid oracle then reads the stranger as your process, still alive, forever.\n392:/// That is the same reuse hazard [`process_identity`] was built for on the custody\n393:/// path (ADR-0047 decision 1, KNOWN-HAZARDS 7.51) — this type carries the stamp to\n394:/// the pollers that never got it.\n395:#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n396-402:pub struct PinnedProc { … }\n403:\n404:/// Pin a pid together with whatever identity the platform will state for it NOW.\n405:///\n406:/// Call this at the moment the pid is discovered, never at the moment it is\n407:/// judged: a stamp read after the process died is a stamp of its replacement.\n408:// [impl->REQ-TEST-LIVENESS-ORACLE-AUTHENTICATED]\n409-414:pub fn pin_process(pid: u32) -> PinnedProc { … }\n415:\n416-489:impl PinnedProc { … }\n490:\n491:// [impl->REQ-PSYCHE-CRASHLOOP-BACKOFF-SHUTDOWN]\n492-554:pub fn process_table() -> Vec<(u32, u32)> { … }\n555:\n556:/// Tests for [`PinnedProc`] live HERE rather than in `spt-store::proc` (which\n557:/// hosts this crate's other tests, because they did not move when the identity\n558:/// core did) — a type's own unit tests belong with the type.\n559:///\n560:/// The reuse case cannot be scheduled on demand: no test can make the OS hand out\n561:/// a specific pid twice. So it is MANUFACTURED with\n562:/// [`PinnedProc::from_stamp`] — a live pid paired with a stamp that is not its\n563:/// own, which is bit-for-bit the state a real reuse produces.\n564:#[cfg(test)]\n565-677:mod pinned_proc_tests { … }\n\n[…460ln elided; re-read needed ranges, e.g. .worktrees/285-zombie/crates/spt-procident/src/lib.rs:44-92,107-185]"}],"details":{"displayContent":{"text":"//! The one process-IDENTITY predicate on this box.\n//!\n//! Moved here VERBATIM from `spt-store::proc` (BAROMETER H3, releases#103) for\n//! one reason: a cargo **build script** sees only `[build-dependencies]`, so the\n//! build-cache pool guard could not reach the predicate where it lived. The only\n//! alternative was a second copy of a pid+birth liveness probe — a second source\n//! under exactly the hazard the first one exists for (pid reuse; ADR-0047\n//! decision 1's custody pair test; KNOWN-HAZARDS 7.50/7.51). A leaf crate below\n//! `spt-store` keeps it single-sourced instead.\n//!\n//! `spt-store::proc` re-exports every item here verbatim, so NO call site and NO\n//! test moved with it, and nothing in this crate is new behaviour. Doc links to\n//! the siblings that stayed behind (`parent_pid`, `process_ancestry`,\n//! `provably_gone`, `process_descendants`, `process_cmdline`) are plain code\n//! spans here for the same reason — the prose is unchanged, only the linkage.\n// [impl->REQ-POOL-ONE-LIVENESS-PREDICATE]\n\n/// Whether a process with `pid` is currently alive. Best-effort and\n/// side-effect-free — sends no signal, opens then immediately closes a handle.\n///\n/// # The question this does NOT answer (KNOWN-HAZARDS 7.50)\n///\n/// **\"Is it GONE?\" about a process the ASKER (or a live ancestor) still holds\n/// an open handle to.** On Windows `OpenProcess` keeps SUCCEEDING for a\n/// TERMINATED process while any handle to it remains open, so a correctly\n/// reaped child reads ALIVE to whoever retained it. Dropping a `Child` closes\n/// the handle, so a spawner that drops is honest and one that RETAINS is not —\n/// which means **the same call is sound in the CLI and unsound in the daemon\n/// for the same pid**. The broker holds `Arc<PtySession>`, hence the handle,\n/// by construction for exactly the sessions it is asked about.\n///\n/// This call stays CORRECT for \"is this OTHER process (that I never spawned)\n/// still running\" — the roster/auth/startup-anchor shape. When the question is\n/// existence of a process you may own, ask [`process_exists`], whose name IS\n/// the question and which answers from the process table instead.\n///\n/// `pid == 0` always reads **dead**: it is never a real perch/listener pid\n/// (the kernel/idle process on both OSes), and on Unix `kill(0, 0)` does not\n/// probe a process at all — it targets the **caller's own process group**, so\n/// it always succeeds and a pid-0 row would read permanently \"alive\" on Linux\n/// while reading dead on Windows (`OpenProcess(0)` fails). The guard makes the\n/// probe's answer OS-independent.\n// [impl->REQ-HAZARD-REGISTRY-STALE-CLEAN]\npub fn is_process_alive(pid: u32) -> bool { … }\n\n/// The parent pid of an **arbitrary** process `pid` — generalizes `parent_pid`\n/// (which answers only for the current process via the fast pseudo-handle) so the\n/// process ANCESTRY can be walked for self-identification when the env self-id legs\n/// are absent (REQ-MSG-SELF-DETECT-ANCESTRY). `None` on query failure / dead pid /\n/// unsupported platform (a non-Linux unix has no `/proc`, so only the direct\n/// `getppid` self-parent is knowable there — see `process_ancestry`).\n///\n/// Linux: `/proc/<pid>/stat` field 4 (ppid) — read AFTER the `)` closing `comm`\n/// (comm may itself contain spaces/parens). Windows:\n/// `NtQueryInformationProcess(ProcessBasicInformation)` over an\n/// `OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION)` handle (the non-hanging path,\n/// mirroring [`is_process_alive`]).\n// [impl->REQ-MSG-SELF-DETECT-ANCESTRY]\npub fn parent_pid_of(pid: u32) -> Option<u32> { … }\n\n/// One full process snapshot as `(pid, parent_pid)` pairs — the FORWARD-walk\n/// substrate [`parent_pid_of`] lacks (it answers child→parent only, one pid at a\n/// time). This is the map a scope-strict DESCENDANT walk (`process_descendants`)\n/// needs to find a process's whole subtree for a tree-kill. Best-effort: an\n/// unreadable snapshot yields an empty vec (never a panic); a non-Linux unix has\n/// no `/proc`, so it too returns empty (the caller degrades to a single-pid kill).\n///\n/// Windows: one `CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS)` + `Process32First/NextW`\n/// sweep — coherent enough (a momentary snapshot; pid recycling across the sweep is\n/// bounded by the descendant walk's own visited-set). Linux: `/proc/<pid>/stat`\n/// field-4 ppid over every numeric `/proc` entry (the same last-`)`-split parse as\n/// `parent_pid_of`, tolerant of a `comm` with spaces/parens).\n/// Does a process with `pid` still EXIST — answered from the process table,\n/// never from a handle the caller may be holding (KNOWN-HAZARDS 7.50).\n///\n/// This is the sound probe for \"is it GONE?\" about a process you may OWN, the\n/// question [`is_process_alive`] cannot answer on Windows: a retained handle\n/// keeps `OpenProcess` succeeding for a corpse, and the broker retains one for\n/// every PTY child it spawned. The table has no such blind spot — a terminated\n/// process is not in it, whoever holds what.\n///\n/// Tri-state on purpose:\n/// - `Some(true)`  — a snapshot exists and the pid is IN it.\n/// - `Some(false)` — a snapshot exists and the pid is ABSENT: positive proof,\n///   **within the asker's visibility** — see the scope note below.\n/// - `None`        — NO SNAPSHOT (platforms with no table: non-Linux unix).\n///   **NO KNOWLEDGE, never proof of death.** Callers must not read this as\n///   \"gone\": an empty table answering `Some(false)` would classify every live\n///   process a corpse — the W1 stale-row blocker inverted at broker scope.\n///   A stamp requires POSITIVE proof the process is gone; absence of an\n///   oracle is not that proof.\n///\n/// # SCOPE of `Some(false)` — proof within the asker's VISIBILITY, not universal\n///\n/// A PRESENT table is not automatically a COMPLETE one. [`process_table`] drops\n/// any pid whose `/proc/<pid>/stat` it cannot read (`parent_pid_of` returns\n/// `None` and the entry is skipped), so on Linux the table can be NON-EMPTY and\n/// INCOMPLETE — and this then answers `Some(false)`, positive proof of death,\n/// for a process that is alive. Reachable via `/proc` mounted `hidepid=1|2`\n/// (other users' processes hidden) or from a different PID namespace.\n///\n/// So `Some(false)` means: **gone, among the processes this asker can see** —\n/// same user, same PID namespace. Every consumer today satisfies that scope,\n/// because each asks about a process it or its own daemon spawned (hidepid\n/// hides OTHER users' processes, never your own, and a foreign namespace makes\n/// the pid meaningless here anyway). Nothing changes today. A NEW consumer must\n/// CHECK that it is inside that scope rather than inherit the guarantee — the\n/// claim is true in context, and this note exists so nobody reads it as a law.\n///\n/// # NOT a strict upgrade over [`is_process_alive`] — do not mass-migrate\n///\n/// This is the right oracle ONLY where the handle problem exists: an asker\n/// probing a process IT OWNS. Where no handle is retained, `is_process_alive`\n/// is the BETTER probe on snapshot-less platforms — it asks `kill(pid, 0)`,\n/// which needs no table at all, so it still answers CORRECTLY where\n/// `process_table` comes back empty and this function can only say `None`.\n/// Migrating a sound site to this one therefore TRADES a working probe for\n/// \"never guess\" on exactly the platforms with no process table. The two\n/// answer different questions with different platform profiles; neither is\n/// simply the newer one.\n// [impl->REQ-LIVENESS-ORACLE-SOUND]\npub fn process_exists(pid: u32) -> Option<bool> { … }\n\n/// A process's START TIME — the discriminator that turns a bare pid into an\n/// IDENTITY (ADR-0047 decision 1, KNOWN-HAZARDS 7.51). Opaque and\n/// platform-scoped: comparable ONLY against another reading of the SAME pid on\n/// the SAME boot of the SAME machine, which is exactly the custody question\n/// (\"is the process wearing this pid still the one I minted?\"). Never rendered,\n/// never compared across hosts, never interpreted as a wall clock.\n///\n/// - Linux: `/proc/<pid>/stat` field 22 (`starttime`, clock ticks since boot) —\n///   the same last-`)`-split parse [`parent_pid_of`] uses.\n/// - Windows: `GetProcessTimes`'s creation `FILETIME` (100 ns units since 1601)\n///   over a freshly-opened `PROCESS_QUERY_LIMITED_INFORMATION` handle. That\n///   handle is NOT a liveness claim — 7.50 forbids only asking a retained handle\n///   whether a process is GONE, and this call never asks that: existence is\n///   settled by [`process_identity`] from the snapshot BEFORE the creation time\n///   is read, and a recycled pid's creation time simply differs.\n/// - Other unix: `None` (no `/proc`) — no identity oracle, which surfaces as\n///   [`ProcIdentity::Unproven`] rather than a manufactured verdict.\n// [impl->REQ-RESUME-CUSTODY-IDENTITY]\npub fn process_started_at(pid: u32) -> Option<u64> { … }\n\n/// What a pid's IDENTITY reads right now — the tri-state a custody record is\n/// tested against (ADR-0047 decision 1). Deliberately shaped like\n/// [`process_exists`]'s tri-state: \"no oracle\" is its own answer, never a\n/// manufactured death or life.\n#[derive(Debug, Clone, Copy, PartialEq, Eq)]\npub enum ProcIdentity { … }\n\n/// The pid → identity probe behind custody's pair test (ADR-0047 decision 1,\n/// KNOWN-HAZARDS 7.51). Existence comes FIRST and from the process TABLE\n/// ([`process_exists`] — sound for a process the asker may own, 7.50), and only\n/// then is the start time read as the discriminator. A pid recycled onto an\n/// unrelated process is therefore `Present(other_start_time)` — which fails the\n/// custody pair test and reads NOT OURS, instead of the bare-pid \"alive\" that\n/// made a corpse's custody immortal.\n///\n/// PRESENCE IS NOT LIFE ON UNIX. A killed child whose parent has not reaped it\n/// stays in the table as a ZOMBIE, and `/proc/<pid>/stat` keeps answering — so\n/// existence-then-start-time would read `Present(our_own_birth)`, i.e. HELD, for\n/// a process that is provably dead. The zombie is demoted here, by the same\n/// probe `provably_gone` already uses, so both death oracles agree; the\n/// alternative (each caller remembering to ask twice) is how a Linux-only\n/// never-converges bug reaches a gate. Windows needs no such demotion: a\n/// terminated process leaves the snapshot outright.\n// [impl->REQ-RESUME-CUSTODY-IDENTITY]\npub fn process_identity(pid: u32) -> ProcIdentity { … }\n\n/// A pid PLUS the birth stamp it carried when it was found — the unit a poller\n/// must hold if its verdict is to be about the process it saw rather than about\n/// whoever holds that number later (IR-15).\n///\n/// `provably_gone` answers \"is *a* process at this pid?\", which is the right\n/// question for a pid you were just handed and the WRONG one for a pid you\n/// captured seconds ago and have been polling since. Between capture and verdict\n/// the process can die and the OS can hand its number to something unrelated; the\n/// bare-pid oracle then reads the stranger as your process, still alive, forever.\n/// That is the same reuse hazard [`process_identity`] was built for on the custody\n/// path (ADR-0047 decision 1, KNOWN-HAZARDS 7.51) — this type carries the stamp to\n/// the pollers that never got it.\n#[derive(Debug, Clone, Copy, PartialEq, Eq)]\npub struct PinnedProc { … }\n\n/// Pin a pid together with whatever identity the platform will state for it NOW.\n///\n/// Call this at the moment the pid is discovered, never at the moment it is\n/// judged: a stamp read after the process died is a stamp of its replacement.\n// [impl->REQ-TEST-LIVENESS-ORACLE-AUTHENTICATED]\npub fn pin_process(pid: u32) -> PinnedProc { … }\n\nimpl PinnedProc { … }\n\n// [impl->REQ-PSYCHE-CRASHLOOP-BACKOFF-SHUTDOWN]\npub fn process_table() -> Vec<(u32, u32)> { … }\n\n/// Tests for [`PinnedProc`] live HERE rather than in `spt-store::proc` (which\n/// hosts this crate's other tests, because they did not move when the identity\n/// core did) — a type's own unit tests belong with the type.\n///\n/// The reuse case cannot be scheduled on demand: no test can make the OS hand out\n/// a specific pid twice. So it is MANUFACTURED with\n/// [`PinnedProc::from_stamp`] — a live pid paired with a stamp that is not its\n/// own, which is bit-for-bit the state a real reuse produces.\n#[cfg(test)]\nmod pinned_proc_tests { … }","startLine":1},"summary":{"lines":206,"elidedSpans":11,"elidedLines":460},"fileSize":31800,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates\\spt-procident\\src\\lib.rs"}}},"isError":false,"timestamp":1788998130525}}
{"type":"message","id":"5b91f682","parentId":"172ea3d4","timestamp":"2026-09-09T23:55:30.532Z","message":{"role":"toolResult","toolCallId":"call_KvaaUQpbxDIP7d2ET5KtqiuK|fc_0ea187522e3f208f016aa1f1f2480c87d2be88ff8d1e063309","toolName":"read","content":[{"type":"text","text":"[.worktrees/285-zombie/docs/adr/0041-endpoint-lifecycle-truth.md#45D1]\n9:## Context\n…\n15:1. **Hybrid false-ONLINE (emphasys C1).** `cmd_listen` stamps `status=online` from manifest\n…\n31:4. **Untruthful create + contradictory liveness (spawn-fresh + cycle wedge).**\n…\n38:\n39:## Decision\n40:\n41:<!-- [doc->REQ-ENDPOINT-ONLINE-TRUTH] -->\n42:1. **Online is earned, not declared.** A creator may stamp `status=online` only from actual\n43:   persisted state + hosting authority — never from manifest capability alone. Legacy\n44:   hybrid rows self-heal at reconcile, but only after a SUCCESSFUL broker query: a broker\n45:   failure is never interpreted as an empty session set (no mass-offline on a hiccup).\n46:2. **Control cleanup splits from offline classification.** Reconcile clears\n47:   `controlled`/`driven_by`/`viewer_count` for EVERY endpoint absent from session truth —\n48:   regardless of state or controllability — while offline classification keeps its narrow\n49:   gate (live_agent + controllable). A row's classification quirk can never shield stale\n50:   control stamps.\n51:<!-- [doc->REQ-REST-TERMINAL-NORMALIZE] -->\n52:3. **Definitive death normalizes terminally and atomically.** One store-level mutation —\n53:   `status=offline` + `rest_state=suspended` + clear `dormant_since_ms` in the SAME\n54:   info.json write — invoked at every definitive hosted-session-loss point (authoritative\n55:   broker session loss, liveness reap, `cmd_stop`). Explicitly NOT\n56:   `daemon_rest_event(Suspend)` (no edge when effective state is already Suspended — the\n57:   raw Active intent survives), and NOT a reader-side blanket offline⇒suspended (that\n58:   destroys explicit-Wake semantics: wake writes intent first, reconcile consumes it).\n59:   Graceful shutdown keeps its echo-before-teardown; this is terminal normalization for\n60:   non-graceful death.\n61:<!-- [doc->REQ-CONTROL-STAMP-CONVERGENCE] -->\n62:4. **Control stamps converge, validated.** Stamp writes carry session/generation validation\n63:   (or serialize per-endpoint stamp transitions) so a pre-reap snapshot can never overwrite\n64:   a post-reap truth. No fs I/O under global locks (KH 7.12). Every no-session path clears\n65:   all three control fields.\n66:<!-- [doc->REQ-SPAWN-FRESH-TRUTHFUL] -->\n67:5. **Create is truthful at the broker, atomically.** Spawn policies split:\n68:   Fresh/RejectExisting vs ResumeOrReuse. New `KIND_SPAWN_FRESH` wire verb with a TYPED\n69:   conflict outcome (a distinct kind fails loud on an N-1 broker; a serde-defaulted field\n70:   would be silently ignored — wire discipline), sharing the single-flight/PTY spawn body.\n71:   Fresh at AlreadyLive/lost-race returns the conflict, never `Spawned(existing)`. CLI:\n72:   exit 1 + stable `ENDPOINT_CREATE_CONFLICT:<id>:…no session was created`, no attach, no\n73:   state mutation, never kills the live session. Omitted `--resume` keeps the documented\n74:   create-default (fresh-and-conflict, same as explicit `--create`); ensure/attach would be\n75:   a NEW documented mode, never a silent overload. Preflight stays UX-only (cannot close\n76:   TOCTOU).\n77:<!-- [doc->REQ-ENDPOINT-CYCLE-HONEST] -->\n78:6. **One liveness authority for cycle verbs.** The ALREADY_LIVE dup-guard liveness-probes\n79:   the claimed session's client tree before refusing (dead tree ⇒ reap + respawn\n80:   honestly); the shutdown state machine consults the same source, so \"is it live\" has one\n81:   answer (no ALREADY_LIVE/OFFLINE/NO_EDGE three-way contradiction).\n82:\n83:## Consequences\n84:\n85:- A dead endpoint converges to offline+suspended+uncontrolled within one reconcile, from\n…\n87:  no zombie control latches, no immortal hybrid rows.\n…\n95:\n\n[Showing lines 38-85 of 151. Use :86 to continue]"}],"details":{"truncation":{"content":"\r\n## Decision\r\n\r\n<!-- [doc->REQ-ENDPOINT-ONLINE-TRUTH] -->\r\n1. **Online is earned, not declared.** A creator may stamp `status=online` only from actual\r\n   persisted state + hosting authority — never from manifest capability alone. Legacy\r\n   hybrid rows self-heal at reconcile, but only after a SUCCESSFUL broker query: a broker\r\n   failure is never interpreted as an empty session set (no mass-offline on a hiccup).\r\n2. **Control cleanup splits from offline classification.** Reconcile clears\r\n   `controlled`/`driven_by`/`viewer_count` for EVERY endpoint absent from session truth —\r\n   regardless of state or controllability — while offline classification keeps its narrow\r\n   gate (live_agent + controllable). A row's classification quirk can never shield stale\r\n   control stamps.\r\n<!-- [doc->REQ-REST-TERMINAL-NORMALIZE] -->\r\n3. **Definitive death normalizes terminally and atomically.** One store-level mutation —\r\n   `status=offline` + `rest_state=suspended` + clear `dormant_since_ms` in the SAME\r\n   info.json write — invoked at every definitive hosted-session-loss point (authoritative\r\n   broker session loss, liveness reap, `cmd_stop`). Explicitly NOT\r\n   `daemon_rest_event(Suspend)` (no edge when effective state is already Suspended — the\r\n   raw Active intent survives), and NOT a reader-side blanket offline⇒suspended (that\r\n   destroys explicit-Wake semantics: wake writes intent first, reconcile consumes it).\r\n   Graceful shutdown keeps its echo-before-teardown; this is terminal normalization for\r\n   non-graceful death.\r\n<!-- [doc->REQ-CONTROL-STAMP-CONVERGENCE] -->\r\n4. **Control stamps converge, validated.** Stamp writes carry session/generation validation\r\n   (or serialize per-endpoint stamp transitions) so a pre-reap snapshot can never overwrite\r\n   a post-reap truth. No fs I/O under global locks (KH 7.12). Every no-session path clears\r\n   all three control fields.\r\n<!-- [doc->REQ-SPAWN-FRESH-TRUTHFUL] -->\r\n5. **Create is truthful at the broker, atomically.** Spawn policies split:\r\n   Fresh/RejectExisting vs ResumeOrReuse. New `KIND_SPAWN_FRESH` wire verb with a TYPED\r\n   conflict outcome (a distinct kind fails loud on an N-1 broker; a serde-defaulted field\r\n   would be silently ignored — wire discipline), sharing the single-flight/PTY spawn body.\r\n   Fresh at AlreadyLive/lost-race returns the conflict, never `Spawned(existing)`. CLI:\r\n   exit 1 + stable `ENDPOINT_CREATE_CONFLICT:<id>:…no session was created`, no attach, no\r\n   state mutation, never kills the live session. Omitted `--resume` keeps the documented\r\n   create-default (fresh-and-conflict, same as explicit `--create`); ensure/attach would be\r\n   a NEW documented mode, never a silent overload. Preflight stays UX-only (cannot close\r\n   TOCTOU).\r\n<!-- [doc->REQ-ENDPOINT-CYCLE-HONEST] -->\r\n6. **One liveness authority for cycle verbs.** The ALREADY_LIVE dup-guard liveness-probes\r\n   the claimed session's client tree before refusing (dead tree ⇒ reap + respawn\r\n   honestly); the shutdown state machine consults the same source, so \"is it live\" has one\r\n   answer (no ALREADY_LIVE/OFFLINE/NO_EDGE three-way contradiction).\r\n\r\n## Consequences\r\n\r\n- A dead endpoint converges to offline+suspended+uncontrolled within one reconcile, from\r","truncated":true,"truncatedBy":"lines","totalLines":114,"totalBytes":3264,"outputLines":48,"outputBytes":3264,"lastLinePartial":false,"firstLineExceedsLimit":false},"totalLines":151,"displayContent":{"text":"## Context\n…\n1. **Hybrid false-ONLINE (emphasys C1).** `cmd_listen` stamps `status=online` from manifest\n…\n4. **Untruthful create + contradictory liveness (spawn-fresh + cycle wedge).**\n…\n\r\n## Decision\r\n\r\n<!-- [doc->REQ-ENDPOINT-ONLINE-TRUTH] -->\r\n1. **Online is earned, not declared.** A creator may stamp `status=online` only from actual\r\n   persisted state + hosting authority — never from manifest capability alone. Legacy\r\n   hybrid rows self-heal at reconcile, but only after a SUCCESSFUL broker query: a broker\r\n   failure is never interpreted as an empty session set (no mass-offline on a hiccup).\r\n2. **Control cleanup splits from offline classification.** Reconcile clears\r\n   `controlled`/`driven_by`/`viewer_count` for EVERY endpoint absent from session truth —\r\n   regardless of state or controllability — while offline classification keeps its narrow\r\n   gate (live_agent + controllable). A row's classification quirk can never shield stale\r\n   control stamps.\r\n<!-- [doc->REQ-REST-TERMINAL-NORMALIZE] -->\r\n3. **Definitive death normalizes terminally and atomically.** One store-level mutation —\r\n   `status=offline` + `rest_state=suspended` + clear `dormant_since_ms` in the SAME\r\n   info.json write — invoked at every definitive hosted-session-loss point (authoritative\r\n   broker session loss, liveness reap, `cmd_stop`). Explicitly NOT\r\n   `daemon_rest_event(Suspend)` (no edge when effective state is already Suspended — the\r\n   raw Active intent survives), and NOT a reader-side blanket offline⇒suspended (that\r\n   destroys explicit-Wake semantics: wake writes intent first, reconcile consumes it).\r\n   Graceful shutdown keeps its echo-before-teardown; this is terminal normalization for\r\n   non-graceful death.\r\n<!-- [doc->REQ-CONTROL-STAMP-CONVERGENCE] -->\r\n4. **Control stamps converge, validated.** Stamp writes carry session/generation validation\r\n   (or serialize per-endpoint stamp transitions) so a pre-reap snapshot can never overwrite\r\n   a post-reap truth. No fs I/O under global locks (KH 7.12). Every no-session path clears\r\n   all three control fields.\r\n<!-- [doc->REQ-SPAWN-FRESH-TRUTHFUL] -->\r\n5. **Create is truthful at the broker, atomically.** Spawn policies split:\r\n   Fresh/RejectExisting vs ResumeOrReuse. New `KIND_SPAWN_FRESH` wire verb with a TYPED\r\n   conflict outcome (a distinct kind fails loud on an N-1 broker; a serde-defaulted field\r\n   would be silently ignored — wire discipline), sharing the single-flight/PTY spawn body.\r\n   Fresh at AlreadyLive/lost-race returns the conflict, never `Spawned(existing)`. CLI:\r\n   exit 1 + stable `ENDPOINT_CREATE_CONFLICT:<id>:…no session was created`, no attach, no\r\n   state mutation, never kills the live session. Omitted `--resume` keeps the documented\r\n   create-default (fresh-and-conflict, same as explicit `--create`); ensure/attach would be\r\n   a NEW documented mode, never a silent overload. Preflight stays UX-only (cannot close\r\n   TOCTOU).\r\n<!-- [doc->REQ-ENDPOINT-CYCLE-HONEST] -->\r\n6. **One liveness authority for cycle verbs.** The ALREADY_LIVE dup-guard liveness-probes\r\n   the claimed session's client tree before refusing (dead tree ⇒ reap + respawn\r\n   honestly); the shutdown state machine consults the same source, so \"is it live\" has one\r\n   answer (no ALREADY_LIVE/OFFLINE/NO_EDGE three-way contradiction).\r\n\r\n## Consequences\r\n\r\n- A dead endpoint converges to offline+suspended+uncontrolled within one reconcile, from\r\n…\n  no zombie control latches, no immortal hybrid rows.\n…\n","startLine":9,"lineNumbers":[9,null,15,null,31,null,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,null,87,null,95]},"fileSize":10089,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\docs\\adr\\0041-endpoint-lifecycle-truth.md"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":151,"totalBytes":3264,"outputLines":48,"outputBytes":3264,"shownRange":{"start":38,"end":85},"nextOffset":86}}},"isError":false,"timestamp":1788998130532}}
{"type":"message","id":"b7a8ec10","parentId":"5b91f682","timestamp":"2026-09-09T23:55:30.695Z","message":{"role":"toolResult","toolCallId":"call_735IlNbNG0aBDTXErOKRNRkI|fc_0ea187522e3f208f016aa1f1f247fc87d28e24e2c1b61b933d","toolName":"read","content":[{"type":"text","text":"Note: interpreted as 7 paths: .worktrees/285-zombie/CONTEXT.md:1-65, .worktrees/285-zombie/PRD.md:1-40, .worktrees/285-zombie/ROADMAP.md:1-35, .worktrees/285-zombie/docs/STORAGE.md:1-30, .worktrees/285-zombie/docs/MANIFEST.md:1-25, .worktrees/285-zombie/docs/CONTEXT-MEMORY.md:1-25, .worktrees/285-zombie/docs/DOCS-STRATEGY.md:1-40\n\n[.worktrees/285-zombie/CONTEXT.md#2AD1]\n1:# spt-core\n2:\n3:**Platform scope:** Windows + Linux for v1. macOS is out (no test machine available) but kept structurally easy — `portable-pty` and Iroh both support it, so macOS is a later test/CI-budget decision, not a re-architecture.\n4:\n5:**Legacy migration:** it should be possible — ideally *automatic* — for a user to migrate an existing `claude_skill_owl` (modern SPT) install to spt-core (identity, agents, tracked Psyche context). Exact mechanism deferred to design; the commitment is that migration is a first-class supported path, not a manual rebuild.\n6:\n7:Harness-independent core for the SPT ecosystem. Provides inter-agent messaging, live-agent lifecycle, terminal wrapping, self-update, and networking primitives — as both a Rust library workspace and a canonical reference binary. Designed so any agent runtime (Claude Code, Codex, Cursor, headless, future harnesses) can interface with the SPT ecosystem either by shelling out to the binary or by linking the crates directly.\n8:\n9:Successor to `claude_skill_owl` (today's \"modern SPT\"), which is being rebuilt as `spt-core` to untether the system from Claude Code and lift it to a general-purpose agent-ecosystem core.\n10:\n11:## Language\n12:\n13:**spt-core**:\n14:The system. Canonical name. The Rust workspace and the umbrella project.\n15:\n16:**spt.exe / spt** (canonical binary):\n17:The reference binary built from the workspace. Replaces today's `owl.exe`. Most external integrations (plugins, hooks, scripts in other harnesses) interact with spt-core *only* through this binary — fire-and-forget subcommands, long-running listeners under a parent harness's process supervisor, etc. Unix builds use the same name without `.exe`.\n18:\n19:**library workspace**:\n20:The set of Rust crates that compose spt-core. Consumers that want a deeper integration than shelling out to `spt.exe` link these crates directly. The reference binary is itself a consumer of the workspace. The expected non-binary consumers are future first-party services that link Rust directly.\n21:\n22:**spt plugin** (separate downstream project — NOT an spt-core deliverable):\n23:A rebuilt version of today's Claude Code `spt` plugin. It is the **first consumer** built *atop* spt-core and the **acceptance proof** of spt-core v1 (it reaches feature parity with modern SPT while delegating all core functionality to spt-core, primarily via `spt.exe`, with deeper hooks where useful) — but it **lives and builds in its own repository, outside spt-core**. It is a Claude-Code-specific *adapter*: it holds the Claude Code conventions (hooks, slash-commands, skill/plugin layout, `claude` session-invocation). **spt-core itself contains zero Claude Code conventions** — only the harness-agnostic contract the plugin binds to. The only adapter-shaped artifact ever in this repo is a generic mock/test adapter exercising the manifest + `api` contract (PR…\n24:\n25:**Pi** (disambiguation — two meanings, never conflate):\n26:(1) **Pi, the coding agent/harness** (`badlogic/pi-mono`) — a harness example alongside Claude Code and Codex; this is the meaning in user-facing harness lists. (2) **Pi-class node** — Raspberry-Pi-class low-power hardware hosting a Shell-only or headless SPT node; an incidental hardware descriptor, never an explicit product example. Public-facing docs must disambiguate or avoid the bare word.\n27:_Avoid_: bare \"Pi node\" when the harness is meant.\n28:\n29:**spt-daemon** (per-machine supervisor):\n30:The single always-on, one-per-machine logical supervisor. Owns the PTYs for all hosted sessions, the node's network identity + WAN endpoint, the subnet registry, all spools, **all poll-listener logic, and all Psyche/pulse loops** — everything is consolidated here (no separate poll-listener or Psyche-wrapper processes; listeners already touch sessions directly under capsule/idle, and Psyche wrappers already invoke harness binaries directly, so they belong in the one supervisor). Collapses what the sister project planned as a separate `spt-node` daemon into one process — see Networking. The `spt-node` separate-deliverable concept is retired.\n31:\n32:<!-- [doc->REQ-CLI-NODE-VERB-PRIMARY] -->\n33:**`spt node` (the CLI verb) is NOT the retired `spt-node` (the process)** — the two are different kinds of thing and must never be conflated. What is retired above is a separate *process* deliverable: a second daemon alongside `spt-daemon`, which this project collapsed into one supervisor. What `spt node` names is the *CLI verb* an operator types to run, stop, or read the state of that one supervisor on their machine (releases#112) — a vocabulary choice on the command surface, with no second process behind it. `spt daemon` remains a full alias of that verb, subcommand for subcommand, and is documented as deprecated rather than removed: installed OS service units and scheduled-task rungs already carry `spt daemon run`, and renaming a verb does not rewrite art…\n34:\n35:Internally the logical daemon is split into two implementation layers for seamless self-update (see Self-update):\n36:- **broker** (stable \"kernel\") — holds *only* the un-transferable, must-not-die resources: PTY master fds, the spawned harness child processes, and listening network sockets. Minimal, dumb, versioned local IPC. Almost never updates.\n37:- **daemon brain** (\"userspace\") — all logic (routing, registry, pulse/psyche loops, manifest parsing, update orchestration). Restarts freely on update; rehydrates from disk state and re-attaches to the broker's held handles.\n38:\n39:Logical addressing is unchanged — still one per-machine `spt-daemon`; the broker is an internal layer, not separately addressable. There is exactly **one broker per machine** (per `SPT_HOME`) — *not* one per endpoint: a single broker holds every hosted endpoint's resources, and it is present whenever the daemon runs, even with zero endpoints online (the bare-daemon case). It is therefore the always-present per-machine layer, which is why the single-daemon lock + liveness anchor belong to it.\n40:\n41:**in-session relay**:\n42:A thin, stateless `spt.exe` task that exists only in **harness-hosted** sessions (where the agent harness is the parent process and spt cannot reach into its process tree — today's Monitor model). It streams the daemon brain's events into the session's stdout. All *stateful* listener logic lives in the daemon; the relay is a dumb pipe, freely killable and respawnable. **spt-hosted** sessions need no separate harness-owned relay — the daemon owns the PTY and consumes the same poll feed itself. Idle delivery into an spt-hosted PTY goes through an opt-in adapter **translation binary** (`[message-idle-translation-binary]`, ADR-0022): a pure stdin→stdout filter spt-core lifecycle-manages — it reads the `<EVENT>` feed on stdin, emits keystroke-commands (`{key}`/`{…\n43:\n44:### Deliverable shape\n45:\n46:spt-core ships **both** a library workspace and a canonical binary:\n47:\n48:- **Library crates** — the deeper integration path. Used by future first-party services that link Rust directly.\n49:- **`spt.exe` / `spt`** — the canonical binary, built from the workspace. The primary integration path for harness plugins and external tooling, which mostly fire it as a subprocess at various surfaces (one-shot commands, poll listeners under a Monitor-tool-equivalent, hook tap-ins).\n50:\n51:Both surfaces are first-class. Wire-protocol parity between them is a versioning concern from day one (a non-Rust client speaking to `spt.exe` and a Rust client linking the crates must see the same observable behavior).\n52:\n53:## Runtime model\n54:\n55:spt-core is harness-independent: it does not know about Claude Code, Codex, Cursor, or any other agent runtime. All harness-specific surfaces (how to invoke an agent session, fetch conversation history for an echo commune, detect activity/idleness, etc.) are abstracted behind a runtime layer that consumers supply.\n56:\n57:**AgentRuntime** (Rust trait, implementation detail):\n58:The internal Rust abstraction over a harness. Anything spt-core needs to do *to* or *with* an agent goes through this trait. Most consumers never see it directly — they configure spt-core via a manifest, and spt-core's default `ManifestRuntime` implementation executes against the manifest.\n59:\n60:**harness contract** (umbrella term):\n61:The full surface a harness binds to in order to participate in the spt-core ecosystem. Has two equally-important halves: the **runtime manifest** (outbound — how spt-core drives the harness) and the **subcommand surface** (inbound — how the harness reports events back to spt-core). A harness implementation is one TOML/YAML manifest + a binding from the harness's own hook system into `spt.exe <subcommand>` calls.\n62:\n63:**runtime manifest** (outbound half of the harness contract):\n64:A declarative configuration file (TOML/YAML — schema TBD) that tells spt-core how to drive a specific harness. Declares: how to invoke an agent session, how to look up conversation history for an echo commune, how to spawn/resume a Psyche-equivalent, which binary or command implements each harness-side operation, and which endpoint types this harness supports. spt-core is the actor for each of these; the manifest tells it what to do.\n65:\n66:Example shape (illustrative): `spt.exe --manifest spt-plugin.toml live start <id>`. A harness like the planned spt plugin wraps this invocation into the `$LIVE` / `$OWL` environment variables it injects into its sessions, so harness-internal callers continue to invoke `$LIVE` / `$OWL` unchanged.\n67:\n68:**subcommand surface** (inbound half of the harness contract):\n69:The stable set of `spt.exe <subcommand>` entry points that harnesses bind their own hook systems to. When the harness's runtime emits an event (subagent started, tool just invoked, user typed `/clear`, session crashed), the harness's hook fires a short-lived `spt.exe <subcommand>` invocation that mutates on-disk SPT state (perch registry, spool, etc.). spt-core publishes this surface; harnesses author the bindings.\n…\n528:\n…\n1267:The CLI sibling of the frontend's guided resume — one command that lists endpoints **grouped by locality, most-recently-used within each group**: `on-node / current-project → on-node / other-project → off-node`, mirroring the *resolution policy*'s local-first preference. Selection **chains conditionally**: a **running** instance → attach/tap-in (no adapter step — already live under one); a **non-running** endpoint → into the **adapter selector** (*adapter selection*: history head = default → prior adapters → \"choose a different adapter\") → *anchor subnet* / other creation prompts as needed → launch; a **\"+ new endpoint\"** entry → the full creation flow. Off-node picks respect the reach + consent gates (remote-drive of your own running instance is ungated; a …\n\n[Showing lines 1-68 of 1267. Use :69 to continue. Some lines truncated to 768 chars]\n\n[.worktrees/285-zombie/PRD.md#1BE0]\n1:# spt-core — Product Requirements Document\n2:\n3:> **Status:** draft, 2026-05-30. Synthesized from a grilling session.\n4:> Canonical detail lives in [`CONTEXT.md`](./CONTEXT.md) (glossary/model) and [`docs/adr/`](./docs/adr/) (decisions). This PRD states *what* and *why*; those state *meaning* and *rationale*. Where they conflict, the ADRs win.\n5:\n6:---\n7:\n8:## 1. Vision\n9:\n10:spt-core is a **harness-independent core for an agent ecosystem**: inter-agent messaging, live-agent lifecycle, terminal hosting, seamless self-update, and zero-config cross-machine networking — shipped as both a Rust library workspace and a single canonical binary (`spt` / `spt.exe`).\n11:\n12:It is the ground-up rebuild of `claude_skill_owl` (\"modern SPT\"), untethering the system from Claude Code so that **any** agent runtime — Claude Code, Codex, Cursor, headless, or novel surfaces — can participate by either shelling out to the binary or linking the crates. The first thing built atop it is a rebuilt `spt` plugin reaching parity with today's system; the networking, terminal-wrapper, and multi-instance capabilities then make an agent reachable and operable across all of a user's machines.\n13:\n14:## 2. Problem & motivation\n15:\n16:- Today's modern SPT works but is **fragile** — each release introduces 2–5 regressions because it grew rapidly from a narrow starting point and carries the resulting tech debt (ADR-0001).\n17:- It is **welded to Claude Code**. Other harnesses can't reuse the messaging/lifecycle substrate.\n18:- Networking, terminal hosting (\"capsule\"), and cross-machine operation were planned piecemeal atop a CC-tied core; they deserve to be first-class in a clean foundation.\n19:\n20:## 3. Goals\n21:\n22:1. **Harness independence.** Zero knowledge of any specific agent runtime in core; all harness specifics behind a declarative contract (ADR — runtime model).\n23:2. **Dual deliverable.** First-class library crates *and* a canonical binary, wire-compatible (§Architecture).\n24:3. **Zero-config cross-machine messaging.** \"Just works\" WAN, baked in day-one (ADR-0002).\n25:4. **One agent, many machines.** The same agent runs natively on each of a user's machines with a synced mind; reachable and operable from anywhere (ADR-0003).\n26:5. **Seamless self-update** with a hard no-endpoint-termination invariant (ADR-0004).\n27:6. **A terminal backbone** that can host sessions headless and headed, locally and over WAN.\n28:7. **Low-friction, secure onboarding** — accountless node pairing (ADR-0005), one-line install, automatic legacy migration.\n29:\n30:## 4. Non-goals (v1)\n31:\n32:- **macOS support** — out (no test machine); kept structurally easy, not a re-architecture.\n33:- **Cross-subnet** (two *different* users' agents communicating) — deferred concept.\n34:- **Concrete Shells / PresenceChannel implementation / presence gossip** — only the seams ship (§Endpoints).\n35:- **Remote command execution on another user's node** and **instantiate-anywhere** — seam-compatible, deferred behind a consent/security gate.\n36:- **Sidecar adapter protocol**, **manifest includes**, **scrollback disk-spillover**, **predictive/state-sync terminal layer** — see [`docs/DEFERRED.md`](./docs/DEFERRED.md).\n37:- **A model/billing opinion** — SPT is not a harness; model choice is always the adapter's.\n38:\n39:## 5. Audience\n40:\n41:Single user today (the author); dev-tool audience generally. Agents — not the user — are the primary direct callers of the binary. Nodes are foreseen on novel platforms (Android, Linux handhelds), so packaging must be marketplace-repackaging-friendly.\n42:\n43:## 6. Platforms\n…\n48:\n…\n229:- Sister project networking research: `claude_skill_owl/docs/research/SPT Networked Messaging Research Brief.md`.\n\n[Showing lines 1-43 of 229. Use :44 to continue]\n\n[.worktrees/285-zombie/ROADMAP.md#158C]\n1:# spt-core Roadmap\n2:\n3:> Lightweight-but-structured path from design → fruition. Not a GSD/phase-gated process — a clear sequence with de-risk gates. Planning corpus is complete (PRD + CONTEXT + 5 ADRs + 6 design docs); this is how we build it.\n4:\n5:## End goal\n6:\n7:A harness-independent core for an agent ecosystem — messaging, live-agent lifecycle, terminal hosting, **first-class P2P networking**, and a runtime-manifest harness contract — shipped as Rust crates + a single `spt` binary. The proof: the same agent runs natively across all of a user's machines with a synced mind, reachable and operable from anywhere, with seamless self-update and zero-config cross-machine messaging. First thing built atop it: a rebuilt `spt` plugin at parity with today's modern SPT.\n8:\n9:## Scope decisions (locked)\n10:\n11:- **v1 = the full PRD, networking included.** The networked element is the *reason* spt-core exists; it is not deferrable to v1.1.\n12:- **The hard freeze on `claude_skill_owl` is not a clock.** It works today and delivers value as-is while spt-core is built — no schedule pressure from it.\n13:- **Process: lightweight but structured.** GSD is too heavy. This roadmap + the design docs are the structure.\n14:\n15:## Path to fruition (sequence)\n16:\n17:**Stage A — Red-team review (before building).** Pressure-test the design adversarially. Focus on the riskiest architectural decisions, not bikeshedding. Tools: `plan-eng-review` (architecture) + `codex` (adversarial second opinion). Scope-cutting is *not* a goal (v1 is locked as full PRD), but surfacing contradictions / over-engineering / unproven assumptions is.\n18:\n19:**Stage B — De-risk spikes.** Throwaway proofs of the load-bearing unknowns — anything that, if it fails, forces a redesign. Do these before committing to the full build. See *De-risk spikes* below.\n20:\n21:**Stage C — Walking skeleton.** Build the killer-quickstart slice end-to-end through the real crate boundaries: **two agents exchange a message** (first local; ultimately cross-node — the real proof). Validates the whole stack early; then thicken.\n22:\n23:**Stage D — Phased build (M0–M5).** Dependency-ordered, each milestone ships something usable.\n24:\n25:## Milestones (all v1)\n26:\n27:- **M0 — Workspace + commodity layer.** Cargo workspace; `spt-proto` (wire envelope grammar, endpoint types, framing, Ed25519 identity, typed+binary payloads) + `spt-store` (spool, perch layout, trust store, registry persistence). Copy-verbatim the stable formats from the sister project (ADR-0001).\n28:- **M1 — Local messaging + binary.** `spt-msg` (delivery TCP+spool, routing, send/ring/ready) + the `spt` binary + CLI. **= the killer quickstart (local): two agents exchange a message.** Task breakdown: [`M1-PLAN.md`](./M1-PLAN.md).\n29:- **M2 — Harness contract + lifecycle.** **Strictly harness-agnostic — zero Claude Code conventions in this repo.** spt-core defines the adapter contract; the only adapter-shaped artifact in-tree is a generic mock/test adapter (manifest fixture + fake `api` caller) that exercises the contract (PRD R-DOCS-2 dev-agent quickstart). **The rebuilt `spt` plugin (Claude Code) is a SEPARATE downstream project** built atop these crates/binary — spt-core v1's acceptance proof (PRD §\"feature parity\"), not an spt-core deliverable. It lives and builds outside this repo. **Split into two JIT milestones** (decision 2026-06-01):\n30:  - **M2a — Harness contract. ✅ delivered (2026-06-01).** `spt-runtime` (AgentRuntime, ManifestRuntime, manifest schema) + the `api` subcommand surface (seed/listen/bind/state/echo-gate/poll/worker-*/boundary/session-end/presence/history-log/emit/capability) + the **harness-hosted** startup topology (seed→listen→bind, interim seed-file) + local-api-auth + the generic mock adapter + contract E2E. All M2a reqs activated + green. Task breakdown: [`M2a-PLAN.md`](./M2a-PLAN.md).\n31:  - **M2b — Live-agent lifecycle. ✅ delivered (2026-06-01).** `spt-live` (fifth layer): history subsystem (fetcher/locate-normalize/native) + spawn-psyche (nested perch, spt-core-owned `$psyche_prompt`) + echo-commune (history brief → single-writer commune drop) + drop-file ingest (single-writer 6.4 + direct-write precedence 6.5) + interim pulse + signoff/boundary ordering invariants (echo-before-signoff 3.3, grace-before-signoff 1.1, stale-signoff sweep 3.2) + resume seam (continue-existing / fresh-with-preload). Hosted by the `api listen` runner + `api shutdown`; mock adapter gained the lifecycle templates; LiveAgent E2E proves spawn→Psyche-perch→commune-ingest→graceful-signoff harness-agnostically. All M2b reqs activated + green. Task breakdown: [`M2b-PLA…\n32:  - **Interim, no daemon** (like M1): the `api listen` process holds the perch + relays; the seed bridges via a file. **The spt-hosted topology (PTY-launch) + the consolidated `spt-daemon` move to M3** (they need the `spt-term` broker) — this narrows the earlier \"both topologies in M2\" wording.\n33:- **M3 — Terminal wrapper + daemon + self-update.** `spt-term` (session-surface, PTY, broker) + the consolidated `spt-daemon` (broker/brain split) + peer-propagated signed self-update. Split M3a/M3b/M3c. Scope + carried-forward Spike #1 gaps: [`M3-PLAN.md`](./M3-PLAN.md).\n34:  - **M3a — `spt-term` session-surface mechanism. ✅ delivered (2026-06-02).** The sixth crate (`…→spt-msg→spt-term`, sibling of spt-runtime): the `SessionSurface` trait + native PTY backends (ConPTY/forkpty via `portable-pty`, REQ-TERM-1) · ConPTY-DSR auto-answer drain pump (REQ-HAZARD-CONPTY-DSR) · send-keys/send-line injection (REQ-TERM-2) · bounded byte-stream (REQ-TERM-3) · the PTY-digest parser primitive (REQ-TERM-4 impl/unit, ADR-0008). OS-neutral per Spike #4/#5 (no OS's stream contract baked in; ANSI-stripped, tail-wins repaint tolerance). Validated on Windows (ConPTY) + Linux (forkpty). All M3a reqs activated + green. Task breakdown: [`M3a-PLAN.md`](./M3a-PLAN.md).\n35:  - **M3b — `spt-daemon` broker/brain process. ✅ delivered (2026-06-03).** The seventh crate (`…→spt-live→spt-daemon→spt`) hosts many `spt-term` surfaces behind a **versioned local IPC** (named-pipe/UDS behind one `DaemonTransport` trait, forward-compatible frame schema): a **broker** (stable kernel — PTY masters, harness children, sockets; no logic) + a **brain** (restartable logic) so a brain kill/restart leaves the hosted PTY child + its output stream **intact and gapless** (Spike #1 made real; `gen_start = now()` each handoff). Consolidates the interim no-daemon model — the `api listen` pulse/Psyche/drop-ingest loops fold into the brain as config-paced in-process loops (only a thin stateless relay residue) · daemon-authoritative liveness (`info.json` `st…\n36:  - **M3c — signed self-update. ✅ delivered (2026-06-03).** The gated, signed, ripple-capable self-update engine (no new crate — it lives in `spt-daemon`, signing primitives in `release.rs`): the **update-class taxonomy** (brain-only / broker-compatible / broker-breaking, ADR-0004 §A) with the **brain-only zero-interruption swap** that drives the M3b handoff substrate (snapshot→drop→re-attach) so a live PTY child + its output stream survive the logic swap **untouched** (REQ-UPD-3, proven E2E `tests/brain_swap.rs`) · **verify-before-handoff** (Ed25519 over signed release metadata + SHA-256 artifact binding; `plan_verified` is the front door — no unverified binary reaches a handoff, REQ-UPD-2) · **rollback hardening** (monotonic version, metadata expiry, chann…\n37:  - **M3 COMPLETE** (M3a + M3b + M3c all ✅, 2026-06-03): the real ADR-0004 architecture is live — native PTY hosting, the consolidated broker/brain daemon, and seamless signed self-update. Next milestone: M4.\n38:- **M4 — Networking + instances. ✅ delivered (2026-06-04).** The eighth crate `spt-net` (Iroh WAN endpoint bound to the node's own Ed25519 identity, mDNS LAN discovery, TOTP-SPAKE2 pairing over a dedicated pre-trust ALPN with transcript binding / rate limiting / seed rotation+transfer, subnet registry + NDJSON replication under the per-node epoch lease) · the multi-instance model (registry rows + bare-id resolution refuse-and-qualify + visibility/sync-membership gates + rename/collision + **resting-state machine** dormant/suspended with measured warm/cold policy [`docs/DORMANCY-BUDGET.md`, red-team #9 closed] + **resource advertisement** REQ-INST-14 + **immutable home subnet & `spt fork`** REQ-INST-15, ADR-0010) · **cross-node Psyche sync** (git-native bundl…\n…\n40:\n…\n85:- The dual-audience docs strategy (`docs/DOCS-STRATEGY.md`) governs the *shipped* docs, authored as code lands.\n\n[Showing lines 1-38 of 85. Use :39 to continue. Some lines truncated to 768 chars]\n\n[.worktrees/285-zombie/docs/STORAGE.md#BBAE]\n1:# $SPT_HOME on-disk layout\n2:\n3:> Draft design doc (2026-05-30). Implementation detail — neither glossary ([`../CONTEXT.md`](../CONTEXT.md)) nor decision ([`adr/`](./adr/)). Resolves PRD §17.1.\n4:\n5:## Principles\n6:\n7:1. **Single relocatable root.** One `$SPT_HOME` dir holds everything (default `%LOCALAPPDATA%\\spt-core` / `~/.spt-core`; override via `$SPT_HOME`). The `spt-core/` default is deliberately distinct from the modern spt runtime's `spt/` home so a dev build never collides with a running spt-plugin during parity build-out (may stay `spt-core/` for good). One dir to back up, move, or repackage for a marketplace/handheld. No XDG three-way split.\n8:2. **Endpoint IDs are adapter-agnostic.** `ling` can run under `claude-spt`, then later under `spt-codex` or `spt-pi`. Perches and context key on bare `endpoint_id`; the currently-running `adapter_name` is a *property of the instance* recorded in `info.json`, never a path segment. **At most one instance of an ID per node** — a second attempt (any adapter) is rejected.\n9:3. **Two separate trees: `tracked/` vs `perches/`.** The synced *mind* (context, a git repo) and the node-local *plumbing* (spool/status/info) are physically separate. Perch runtime is **never** git-tracked — otherwise node-local spools and statuses would clobber across nodes when the context repo syncs.\n10:4. **Durable vs ephemeral is explicit.** `identity/`, `tracked/`, `history/` are durable (the backup/migrate set). `registry/`, `daemon/`, `updates/` are regenerable. Migration carries the durable set only.\n11:5. **One path resolver.** A single centralized, idempotent resolver maps `(endpoint_id[, child][, project_id][, kind])` → path. Nothing constructs paths ad-hoc, so any future relayout carries to all dependents (KNOWN-HAZARDS 6.1 — no flat/nested ambiguity).\n12:\n13:## Layout\n14:\n15:```\n16:$SPT_HOME/\n17:  identity/                      ── node-local, durable, NEVER git-tracked ──\n18:    node.key                     Ed25519 node identity (per-node; must not sync)\n19:    trust/                       authorized peer pubkeys (trust store)\n20:    subnet.json                  subnet name + TOTP seed (replicated via pairing, not git)\n21:  tracked/                       ── git repo; synced across nodes over P2P ──\n22:    agents/<endpoint_id>/\n23:      meta.json                  endpoint identity metadata: type, ordered adapter history, created\n24:      live-context.md            per-agent live context           (branch a-<endpoint_id>)\n25:    projects/<project_id>/\n26:      <endpoint_id>/\n27:        project-context.md       per-(agent,project) context      (branch p-<project_id>)\n28:  perches/                       ── node-local runtime, NEVER tracked/synced ──\n29:    <endpoint_id>/\n30:      info.json                  identity, type, status, CURRENT adapter_name (+ capability set if Shell)\n31:      spool.db                   SQLite spool (typed + binary payloads)\n32:      status                     active | dormant | suspended    (agent endpoints)\n33:      nested/<child_id>/         Worker / Psyche perches (own info.json, spool)\n…\n48:  serve/registry                 authoritative serving entries + persistent name ownership\n49:```\n…\n109:\n…\n344:- Whether `history/` ever needs cross-node fetch (today node-local; history-lookup over the network would serve remote reads).\n\n[Showing lines 1-33 of 344. Use :34 to continue]\n\n[.worktrees/285-zombie/docs/MANIFEST.md#CE76]\n1:# Runtime manifest schema\n2:\n3:> Draft design doc (2026-05-31). Resolves PRD §17.2. Implementation detail — see [`../CONTEXT.md`](../CONTEXT.md) for the model. Schema grounded in the sister project's actual functional surface.\n4:\n5:## Principle\n6:\n7:**SPT is not a harness.** The manifest declares only what *varies per harness*. Command templates are **opaque strings** — spt-core never parses out a model, tool list, or flag; the adapter writes the full command line and spt-core just runs it with substitution keys filled. Anything spt-core owns (sentinels, spool/registry/perch schemas, the event-block vocabulary, the version-trampoline mechanism, config knobs) is **not** in the manifest.\n8:\n9:## What is NOT in the manifest (spt-core-owned)\n10:\n11:- **Sentinels** (`.idle`-equiv, echo-gate) — managed by `api state`/`api echo-gate`; the adapter only *calls* them.\n12:- **Spool / registry / perch `info.json` / daemon-state schemas** — core.\n13:- **Event-block vocabulary** — the XML tags spt-core surfaces to agents (e.g. `<SPT_EVENT>`, `<owl_messages>`-equivalent) are a **fixed, documented constant**, not configurable. Adapters pass spt-core's output through unchanged.\n14:- **File-drop filenames** — statically `<endpoint_id>-commune.md` / `<endpoint_id>-signoff.md`. Only the *watched directory* is declared (in `[session]`).\n15:- **Config knobs** (pulse period, echo-commune window, route-guard window, daily-refresh) — spt-core **global settings**, with optional **per-endpoint override** for endpoints with unique needs. Not per-adapter.\n16:- **Cross-adapter fallback** (psyche/echo invocation falls back to another adapter on rate-limit) — a **node-wide setting**, not a manifest field, because it references *multiple* adapters (under spt-core, `ccs` is its own adapter, not a binary-swap within one). Adapter-agnostic IDs make this safe — an endpoint's Psyche can run under a fallback adapter temporarily.\n17:- **Plugin-cache / version-trampoline layout** — none of SPT's concern. A CC-plugin adapter updates via `claude plugin update` (delegated command).\n18:\n19:<!-- [doc->REQ-MANIFEST-1] The sections below are the authoritative schema; the\n20:typed form in `crates/spt-runtime/src/manifest.rs` is kept in lockstep. -->\n21:\n22:## Manifest sections\n23:\n24:### `[adapter]` — header\n25:```toml\n26:[adapter]\n27:name = \"claude-spt\"\n28:version = \"2.0.0\"\n…\n33:web_short_path = \"cspt\"            # optional; alias of the core-owned served root\n34:```\n…\n118:\n…\n753:\n…\n819:- Capability-declaration shape beyond `hostable_types` (per-type operation advertisement).\n\n[Showing lines 1-28 of 819. Use :29 to continue]\n\n[.worktrees/285-zombie/docs/CONTEXT-MEMORY.md#C7D1]\n1:# Psyche context & memory model\n2:\n3:> Draft design doc (2026-05-31). Resolves PRD §17.3 (Psyche live/project authoring directives) and the memformat redesign. Governs how the Psyche authors, structures, syncs, and surfaces an agent's context. On-disk layout: `docs/STORAGE.md`. Several patterns are adapted from `BigscreenVR/pi-agent-memory` (credited inline).\n4:\n5:## Two-tier context\n6:\n7:- **live context** (per-agent, project-independent — the agent's *mind*): identity/persona, relationship + rapport with the user, the user's cross-project preferences & working style, cross-project life threads, **learnings from work that may apply to other projects**, a thin **project roster** (one line per project the agent works on), the agent's self-model. Synced to **all** instances of the endpoint.\n8:- **project context** (per-agent-per-project — what the agent is doing *here*): codebase/architecture, decisions made here, **current focus / next steps / todos**, project conventions, build/test commands, blockers. Synced **only** to same-project instances.\n9:\n10:(This split independently matches pi-agent-memory's Project Store vs Global Store and its discriminator dialogue — convergent validation.)\n11:\n12:### The discriminator (applied per *topic*, not per fragment)\n13:\n14:> **\"Would this still be true and relevant if the user opened a *different* project tomorrow?\"** Yes → live. No → project. Equivalently: **WHO the agent is** (live) vs **WHAT it's doing here** (project).\n15:\n16:### Anti-leak rules\n17:\n18:The observed failure is project detail leaking *into* live context (which then wrongly syncs everywhere). Countermeasures:\n19:\n20:1. **Default-to-project.** A fragment goes to project context unless it *passes the cross-project test* to be promoted to live. Promotion needs justification; demotion is free. The bias points against the leak.\n21:2. **`current focus / next steps` is project-scoped** — the single biggest leak category. Route it to project unless the focus genuinely spans projects.\n22:3. **Live holds a thin project roster, never project depth** — cross-project *awareness* travels; depth stays per-project.\n23:4. **Commune-source asymmetry** (the structural fix): the live signal is strong only from **Self-authored communes**; **echo communes are project-centric** (they synthesize project-heavy session logs). So **echo communes are project-context-primary and live-context-conservative** — they make few/no live edits. This kills the leak at its source. Provenance is recorded on each block (`Source:`).\n24:\n25:### Boundary communes are Self-authored (resume Self, not echo)\n26:\n27:To get meaningful **live-context** updates on a consistent basis (the live signal is strong only from Self), three boundaries author their commune by **`--resume`-ing the Self session** (the actual agent), not by a background haiku echo:\n28:\n…\n34:\n…\n42:\n…\n92:pi-agent-memory's **human-in-the-loop approval** (extract → review → approve, max-5-candidates) and **bash-mutation guardrails** fit its \"human curates\" philosophy. SPT's Psyche is **trusted to author its own mind autonomously** — so we adopt pi's *structure* (blocks, INDEX, bounded awareness, provenance, OCC) but **not** its approval gate. Controlled mutation is already covered by the drop-file single-writer rule (KNOWN-HAZARDS 6.4).\n\n[Showing lines 1-28 of 92. Use :29 to continue]\n\n[.worktrees/285-zombie/docs/DOCS-STRATEGY.md#94CD]\n1:# Documentation strategy\n2:\n3:> Draft (2026-05-31). A **designed-in commitment**, not an afterthought — grounded in research on critically-acclaimed developer docs (Stripe, Twilio, the Rust Book, FastAPI, Cloudflare, Anthropic, Diátaxis, `llms.txt`, Google dev style guide). Governs the **shipped product docs** (authored as code lands); the planning docs (CONTEXT/PRD/ADRs/design docs) are internal and separate.\n4:\n5:## The defining constraint: a dual audience\n6:\n7:spt-core's docs serve **two readers at once** — human developers *and* the **AI dev-agents that build integrations with it**. This is unusual and it is the design constraint: every artifact is authored **once in clean markdown** and served in **two depths** (human-rendered + agent-export). The agent layer is **first-class, not optional** — the strategic signal (Tailwind's docs traffic fell ~40% because assistants answer for it) is, for spt-core, *the goal*: make the agent layer so good that dev-agents integrate correctly on the first try. There is recursive fit here — the same kind of agent that spt-core *hosts* is the one that *reads its docs*.\n8:\n9:## Principles (top techniques, prioritized for spt-core)\n10:\n11:1. **Sub-10-minute killer quickstart** — runnable, deterministic, whole-working-thing-first, no placeholders. TTFHW (\"time to first hello world\") is the single most-cited conversion lever (~68% abandon trials over setup time).\n12:2. **Diátaxis four-mode separation** — tutorial / how-to / reference / explanation, never mixed (mixing is the most-cited cause of confusing docs).\n13:3. **Deterministic, real, copy-pasteable examples everywhere** — no `<YOUR_VALUE_HERE>` placeholders; real values that run. Serves humans *and* agents.\n14:4. **Dual-depth agent exports** — `llms.txt` (slim curated index) + `llms-full.txt` (full concatenated export), auto-generated in CI, plus markdown content negotiation (`.md` suffix / `Accept: text/markdown`) which cuts agent token use ~90% vs HTML.\n15:5. **One canonical way to do X** — explicitly mark deprecated/alternate paths. Non-determinism is fatal for agents.\n16:6. **Complete reference, auto-generated, all error variants** — rustdoc for the public SDK crates (`spt-proto`, `spt-runtime`, `spt-msg`) + a machine-readable manifest/contract schema. Generic placeholders in reference are a failure mode.\n17:7. **Consistent conversational voice** — adopt the Google developer style guide: second person (\"you\"), active voice, knowledgeable-friend tone.\n18:8. **Explain *why*, not just *what*** — conceptual docs + diagrams for the messaging model, the agent lifecycle states, instances/dormancy, and P2P topology.\n19:9. **Stable, never-renamed anchors/URLs** — agents cache links.\n20:10. **Docs-as-product, gated in CI** — generation (rustdoc, `llms.txt`, schema, CLI help) is part of the build so docs can never drift from code. Drift is the #1 most-cited docs failure; this kills it structurally.\n21:\n22:## Information architecture — by capability vertical\n23:\n24:Organize by capability, each vertical carrying the same four Diátaxis modes internally (the Cloudflare pattern):\n25:\n26:**Messaging · Live-agent lifecycle · Terminal hosting · Networking (P2P + pairing) · Harness contract (manifest + `api`) · Instances · Shells · Self-update.**\n27:\n28:## Killer quickstart targets (two, one per audience)\n29:\n30:- **Human dev:** two agents exchange a message end-to-end in **one command + minimal config**, < 10 min — the core primitive, whole-thing-first, then decomposed.\n31:- **Dev-agent integrator:** a minimal **adapter** that satisfies the manifest + `api` contract and drives one lifecycle operation — the \"build a harness for spt-core\" hello-world.\n32:\n33:## Agent-consumable docs (spt-core specifics)\n34:\n35:<!-- [doc->REQ-DOCS-4] the agent-consumable layer's design; the schema leg shipped M6-D3 (schemars-derived, $id at the canonical URL), llms/CLI legs M6-D5, MCP + --json deferred (DEFERRED.md) -->\n36:\n37:- **`llms.txt` / `llms-full.txt`** — auto-emitted in CI; the slim index lets a tool answer quick questions, the full export feeds deep ingestion.\n38:- **Markdown content negotiation** + deterministic include/exclude tags so agent exports carry the canonical path and drop human-only narrative.\n39:- **Machine-readable manifest/contract schema** (JSON Schema) at a stable, discoverable path — agents validate their adapter manifests against it; the schema *is* documentation.\n40:- **MCP doc/resource server** — the standout fit, given the harness contract is the core integration surface. Expose the contract + reference as **deterministic, side-effect-free MCP resources** (same request → same result), giving integrating agents structured knowledge without RAG fuzziness. Highest-leverage agent-docs move for spt-core.\n41:- **CLI help as first-class agent docs** — agents primarily shell `spt api …`, so `spt <cmd> --help` must be complete, exampled, and machine-readable (a `--json`/structured help mode). The CLI surface is a documentation surface.\n42:\n43:## v0.1 deployment scope (grilled 2026-06-05)\n…\n50:\n…\n147:Top-level `--help` groups by audience (`AGENT COMMANDS` send/ring/ready/poll · `HARNESS COMMANDS` api … · `NODE COMMANDS` pair/subnet/update). Per-command: **USAGE · FLAGS · EXAMPLES (real values) · LEARN MORE**. Beyond gh: a **`spt <cmd> --help --json`** structured-help mode so dev-agents parse the contract without scraping, plus gh's uniform **`--json <fields>` / `--jq` / `--template`** trio on any list command. The `--json` help export is generated + CI-gated alongside rustdoc and the schema.\n\n[Showing lines 1-43 of 147. Use :44 to continue]"}],"details":{"notes":["Note: interpreted as 7 paths: .worktrees/285-zombie/CONTEXT.md:1-65, .worktrees/285-zombie/PRD.md:1-40, .worktrees/285-zombie/ROADMAP.md:1-35, .worktrees/285-zombie/docs/STORAGE.md:1-30, .worktrees/285-zombie/docs/MANIFEST.md:1-25, .worktrees/285-zombie/docs/CONTEXT-MEMORY.md:1-25, .worktrees/285-zombie/docs/DOCS-STRATEGY.md:1-40"],"displayReadTargets":[".worktrees/285-zombie/CONTEXT.md:1-65",".worktrees/285-zombie/PRD.md:1-40",".worktrees/285-zombie/ROADMAP.md:1-35",".worktrees/285-zombie/docs/STORAGE.md:1-30",".worktrees/285-zombie/docs/MANIFEST.md:1-25",".worktrees/285-zombie/docs/CONTEXT-MEMORY.md:1-25",".worktrees/285-zombie/docs/DOCS-STRATEGY.md:1-40"]},"isError":false,"timestamp":1788998130694}}
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{"type":"message","id":"62e927d2","parentId":"2bb8553c","timestamp":"2026-09-09T23:55:42.190Z","message":{"role":"toolResult","toolCallId":"call_vSQjNea4yvLy2RzBRWLE8aH2|fc_0ea187522e3f208f016aa1f1fdeab087d298d30705f80b2ad3","toolName":"grep","content":[{"type":"text","text":"[.worktrees/285-zombie/docs/KNOWN-HAZARDS.md#ABE6]\n 538:\n*539:### 7.12 Controller output must NOT be written inline on the drain thread — a backed-up controller wedges the session  `[REQ-HAZARD-INJECT-CONTROL-COEXIST]`\n 540:- **Failure (v0.12.x, operator dogfooding + doyle /diagnose 2026-06-19):** `OutputLog::append` fanned each live chunk to the CONTROLLER via a SYNCHRONOUS, blocking `write_frame` held INLINE on the session's single drain thread while `Mutex<OutputLog>` was locked (viewers already had a dedicated writer thread + bounded evicting channel). A backed-up controller socket — a slow operator, or the full 64 KB `rc` loopback duplex under heavy TUI redraw — parked the drain thread WITH THE LOG LOCK HELD: outpu...\n 541:- **Invariant:** controller delivery runs OFF the drain thread — a dedicated controller writer thread + bounded channel (the 7.7 viewer_writer pattern) does the blocking socket write; the drain hands each chunk off with a BOUNDED, OFF-LOCK send (deadline → detach + `clear_controller`, never park forever, never silently evict a LIVE operator's authoritative view). The controller is AUTHORITATIVE (unlike a viewer): its writer advances the `delivered_through` resume cursor (atomic, only-on-success, mono...\n 542:- **spt-core mapping:** impl `broker.rs` `OutputLog::append`/`controller_writer`/`become_controller`/`ControllerJob::deliver`/`clear_controller`; int `crates/spt-daemon/tests/inject_control_wedge.rs` (a fully-backed-up controller keeps `KIND_SESSIONS` answering = no wedge); unit the bounded-deliver + monotonic-cursor kernels. The input-side parks (write_input `write_all` on a full buffer; DSR-answer writer-mutex contention) are BENIGN on Windows ConPTY (absorbs a large inject), real only on Unix forkpty ...\n...\n 832:\n*833:### 7.50 The liveness oracle answers from the process table, never from a handle a caller still holds  `[REQ-LIVENESS-ORACLE-SOUND]`\n 834:\n 835:<!-- [doc->REQ-LIVENESS-ORACLE-SOUND] -->\n 836:- **Failure (paid-for, found by todlando during TEARDOWN-AUTHORITY W1 gate round 0, 2026-07-19; latent in `session_is_zombie` since the cycle verbs were built):** `spt_store::proc::is_process_alive` probes `OpenProcess` on Windows, which keeps SUCCEEDING for a TERMINATED process while any parent still holds an open handle to it — and the broker holds `Arc<PtySession>`, hence such a handle, for every PTY child it spawned. So a correctly-reaped harness reads ALIVE. `broker.rs::session_is_zombie` feeds ex...\n...\n 841:\n*842:### 7.51 Process custody is an identity, never a bare PID — a recycled pid must read NOT OURS  `[REQ-HAZARD-RESUME-CUSTODY-ABA]`\n 843:\n 844:<!-- [doc->REQ-HAZARD-RESUME-CUSTODY-ABA] -->\n 845:- **Failure (paid-for, hertz v0.39.4 field RCA 2026-07-22, doyle code-verified same day):** `resume.pid` custody is a bare PID consumed as `read_resume_pid(..).is_some_and(is_process_alive)` at BOTH the livehost restart gate and the liveness-reconcile DEFER. A dead wake-resume spawn's pid, recycled by the OS onto an unrelated process (field proof: `resume.pid=29456` resolved to a random `cmd.exe`), reads as \"a resume is in flight\" indefinitely: reconcile defers every tick, the row stays online-authoritat..."}],"details":{"scopePath":".worktrees/285-zombie/docs/KNOWN-HAZARDS.md","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\docs\\KNOWN-HAZARDS.md","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":3,"fileCount":1,"files":[".worktrees/285-zombie/docs/KNOWN-HAZARDS.md"],"fileMatches":[{"path":".worktrees/285-zombie/docs/KNOWN-HAZARDS.md","count":3}],"truncated":false,"displayContent":" 538│\n*539│### 7.12 Controller output must NOT be written inline on the drain thread — a backed-up controller wedges the session  `[REQ-HAZARD-INJECT-CONTROL-COEXIST]`\n 540│- **Failure (v0.12.x, operator dogfooding + doyle /diagnose 2026-06-19):** `OutputLog::append` fanned each live chunk to the CONTROLLER via a SYNCHRONOUS, blocking `write_frame` held INLINE on the session's single drain thread while `Mutex<OutputLog>` was locked (viewers already had a dedicated writer thread + bounded evicting channel). A backed-up controller socket — a slow operator, or the full 64 KB `rc` loopback duplex under heavy TUI redraw — parked the drain thread WITH THE LOG LOCK HELD: outpu...\n 541│- **Invariant:** controller delivery runs OFF the drain thread — a dedicated controller writer thread + bounded channel (the 7.7 viewer_writer pattern) does the blocking socket write; the drain hands each chunk off with a BOUNDED, OFF-LOCK send (deadline → detach + `clear_controller`, never park forever, never silently evict a LIVE operator's authoritative view). The controller is AUTHORITATIVE (unlike a viewer): its writer advances the `delivered_through` resume cursor (atomic, only-on-success, mono...\n 542│- **spt-core mapping:** impl `broker.rs` `OutputLog::append`/`controller_writer`/`become_controller`/`ControllerJob::deliver`/`clear_controller`; int `crates/spt-daemon/tests/inject_control_wedge.rs` (a fully-backed-up controller keeps `KIND_SESSIONS` answering = no wedge); unit the bounded-deliver + monotonic-cursor kernels. The input-side parks (write_input `write_all` on a full buffer; DSR-answer writer-mutex contention) are BENIGN on Windows ConPTY (absorbs a large inject), real only on Unix forkpty ...\n    │...\n 832│\n*833│### 7.50 The liveness oracle answers from the process table, never from a handle a caller still holds  `[REQ-LIVENESS-ORACLE-SOUND]`\n 834│\n 835│<!-- [doc->REQ-LIVENESS-ORACLE-SOUND] -->\n 836│- **Failure (paid-for, found by todlando during TEARDOWN-AUTHORITY W1 gate round 0, 2026-07-19; latent in `session_is_zombie` since the cycle verbs were built):** `spt_store::proc::is_process_alive` probes `OpenProcess` on Windows, which keeps SUCCEEDING for a TERMINATED process while any parent still holds an open handle to it — and the broker holds `Arc<PtySession>`, hence such a handle, for every PTY child it spawned. So a correctly-reaped harness reads ALIVE. `broker.rs::session_is_zombie` feeds ex...\n    │...\n 841│\n*842│### 7.51 Process custody is an identity, never a bare PID — a recycled pid must read NOT OURS  `[REQ-HAZARD-RESUME-CUSTODY-ABA]`\n 843│\n 844│<!-- [doc->REQ-HAZARD-RESUME-CUSTODY-ABA] -->\n 845│- **Failure (paid-for, hertz v0.39.4 field RCA 2026-07-22, doyle code-verified same day):** `resume.pid` custody is a bare PID consumed as `read_resume_pid(..).is_some_and(is_process_alive)` at BOTH the livehost restart gate and the liveness-reconcile DEFER. A dead wake-resume spawn's pid, recycled by the OS onto an unrelated process (field proof: `resume.pid=29456` resolved to a random `cmd.exe`), reads as \"a resume is in flight\" indefinitely: reconcile defers every tick, the row stays online-authoritat..."},"isError":false,"timestamp":1788998142190}}
{"type":"message","id":"9c7ea8e5","parentId":"62e927d2","timestamp":"2026-09-09T23:55:42.213Z","message":{"role":"toolResult","toolCallId":"call_WHUR7BIfqZQ2Xduk66ue9z3O|fc_0ea187522e3f208f016aa1f1fdea9887d2a2774e771f3e9577","toolName":"read","content":[{"type":"text","text":"[.worktrees/285-zombie/crates/spt-procident/src/lib.rs#6407]\n334:\n335:/// What a pid's IDENTITY reads right now — the tri-state a custody record is\n336:/// tested against (ADR-0047 decision 1). Deliberately shaped like\n337:/// [`process_exists`]'s tri-state: \"no oracle\" is its own answer, never a\n338:/// manufactured death or life.\n339:#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n340:pub enum ProcIdentity {\n341:    /// A snapshot exists, the pid is IN it, and its start time reads `.0`.\n342:    Present(u64),\n343:    /// A snapshot exists and the pid is ABSENT — positive proof of death,\n344:    /// within the asker's visibility (see [`process_exists`]'s scope note).\n345:    Absent,\n346:    /// NO KNOWLEDGE: no process table on this platform, or a live pid whose\n347:    /// start time could not be read. Never proof of either verdict.\n348:    Unproven,\n349:}\n350:\n351:/// The pid → identity probe behind custody's pair test (ADR-0047 decision 1,\n352:/// KNOWN-HAZARDS 7.51). Existence comes FIRST and from the process TABLE\n353:/// ([`process_exists`] — sound for a process the asker may own, 7.50), and only\n354:/// then is the start time read as the discriminator. A pid recycled onto an\n355:/// unrelated process is therefore `Present(other_start_time)` — which fails the\n356:/// custody pair test and reads NOT OURS, instead of the bare-pid \"alive\" that\n357:/// made a corpse's custody immortal.\n358:///\n359:/// PRESENCE IS NOT LIFE ON UNIX. A killed child whose parent has not reaped it\n360:/// stays in the table as a ZOMBIE, and `/proc/<pid>/stat` keeps answering — so\n361:/// existence-then-start-time would read `Present(our_own_birth)`, i.e. HELD, for\n362:/// a process that is provably dead. The zombie is demoted here, by the same\n363:/// probe `provably_gone` already uses, so both death oracles agree; the\n364:/// alternative (each caller remembering to ask twice) is how a Linux-only\n365:/// never-converges bug reaches a gate. Windows needs no such demotion: a\n366:/// terminated process leaves the snapshot outright.\n367:// [impl->REQ-RESUME-CUSTODY-IDENTITY]\n368:pub fn process_identity(pid: u32) -> ProcIdentity {\n369:    match process_exists(pid) {\n370:        None => ProcIdentity::Unproven, // no snapshot = no knowledge\n371:        Some(false) => ProcIdentity::Absent,\n372:        #[cfg(unix)]\n373:        Some(true) if !is_process_alive(pid) => ProcIdentity::Absent, // zombie ⇒ dead\n374:        Some(true) => match process_started_at(pid) {\n375:            Some(started) => ProcIdentity::Present(started),\n376:            // Alive but unreadable (a race with its exit, a denied query): no\n377:            // identity, so no verdict — the caller defers rather than guesses.\n378:            None => ProcIdentity::Unproven,\n379:        },\n380:    }\n381:}\n382:\n383:/// A pid PLUS the birth stamp it carried when it was found — the unit a poller\n384:/// must hold if its verdict is to be about the process it saw rather than about\n385:/// whoever holds that number later (IR-15).\n386:///\n387:/// `provably_gone` answers \"is *a* process at this pid?\", which is the right\n388:/// question for a pid you were just handed and the WRONG one for a pid you\n389:/// captured seconds ago and have been polling since. Between capture and verdict\n390:/// the process can die and the OS can hand its number to something unrelated; the\n391:/// bare-pid oracle then reads the stranger as your process, still alive, forever.\n392:/// That is the same reuse hazard [`process_identity`] was built for on the custody\n393:/// path (ADR-0047 decision 1, KNOWN-HAZARDS 7.51) — this type carries the stamp to\n394:/// the pollers that never got it.\n395:#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n396:pub struct PinnedProc {\n397:    pid: u32,\n398:    /// The start time read at pin time. `None` = this platform (or this moment)\n399:    /// would not say, which DEGRADES the verdict to bare-pid rather than\n400:    /// inventing one — see [`PinnedProc::is_stamped`].\n401:    born: Option<u64>,\n402:}\n403:\n404:/// Pin a pid together with whatever identity the platform will state for it NOW.\n405:///\n406:/// Call this at the moment the pid is discovered, never at the moment it is\n407:/// judged: a stamp read after the process died is a stamp of its replacement.\n408:// [impl->REQ-TEST-LIVENESS-ORACLE-AUTHENTICATED]\n409:pub fn pin_process(pid: u32) -> PinnedProc {\n410:    PinnedProc {\n411:        pid,\n412:        born: process_started_at(pid),\n413:    }\n414:}\n415:\n416:impl PinnedProc {\n417:    /// Build a pin from a stamp obtained ELSEWHERE — a spawn helper that already\n418:    /// returned `(pid, birth)`, or a stored record's `pid_started_at`.\n419:    ///\n420:    /// This is the same identity pair [`pin_process`] reads live, so the two are\n421:    /// interchangeable at the verdict; the difference is only where the stamp came\n422:    /// from. Prefer this when a stamp was captured at the RIGHT moment (at spawn,\n423:    /// at registration) over re-reading one now, which is later and therefore\n424:    /// weaker. `None` yields an unstamped pin — see [`PinnedProc::is_stamped`].\n425:    // [impl->REQ-TEST-LIVENESS-ORACLE-AUTHENTICATED]\n426:    pub fn from_stamp(pid: u32, born: Option<u64>) -> Self {\n427:        Self { pid, born }\n428:    }\n429:\n430:    /// The pinned pid, for diagnostics and panic messages.\n431:    pub fn pid(&self) -> u32 {\n432:        self.pid\n433:    }\n434:\n435:    /// Whether this pin actually carries a birth stamp.\n436:    ///\n437:    /// An unstamped pin is not an error, but it is strictly weaker than a stamped\n438:    /// one — it can only answer the bare-pid question. Callers that depend on\n439:    /// reuse discrimination should assert this at pin time so the degrade is\n440:    /// LOUD at the point it happens, rather than silently reappearing later as a\n441:    /// flake nobody can source.\n442:    pub fn is_stamped(&self) -> bool {\n443:        self.born.is_some()\n444:    }\n445:\n446:    /// Is the process **that was pinned** gone?\n447:    ///\n448:    /// | reads | verdict | why |\n449:    /// |---|---|---|\n450:    /// | `Absent` | GONE | positive proof of death from the table |\n451:    /// | `Present(same stamp)` | not gone | our process, still there |\n452:    /// | `Present(different stamp)` | GONE | ours died; a stranger holds the number |\n453:    /// | `Present(_)`, pin unstamped | not gone | degrade to bare-pid, never guess |\n454:    /// | `Unproven` | not gone | no oracle is not a death certificate |\n455:    ///\n456:    /// # The polarity is deliberate and load-bearing\n457:    ///\n458:    /// Every uncertain arm errs toward NOT GONE, i.e. toward a red. This oracle\n459:    /// guards teardown assertions, where the two failure directions are not\n460:    /// comparable: a false GONE hides a real kill-tree miss behind a green gate\n461:    /// and is unrecoverable, while a false NOT-GONE is a visible, recoverable\n462:    /// flaky red. So the pre-existing property that the bare-pid oracle can only\n463:    /// ever false-RED is PRESERVED here rather than traded away — a green from a\n464:    /// poller built on this type stays as conclusive as it was before.\n465:    ///\n466:    /// # Platform strength, which differs and must not be flattened\n467:    ///\n468:    /// - **Windows**: the stamp is a creation `FILETIME` at 100 ns resolution, so\n469:    ///   `Present(different)` is decisive.\n470:    /// - **Linux**: the stamp is `starttime` in CLOCK TICKS SINCE BOOT — 10 ms\n471:    ///   granularity. A reuse that lands inside the same tick reads\n472:    ///   `Present(same)` and therefore errs RED, which is the safe direction.\n473:    ///   This NARROWS the reuse window; it does not close it. **Do not read\n474:    ///   `Present(same)` on Linux as proof that the pinned process survived** —\n475:    ///   it is proof only that nothing distinguishable replaced it. The image\n476:    ///   path is the second axis that closes the remainder (releases#120), and it\n477:    ///   composes onto this same pinned identity.\n478:    // [impl->REQ-TEST-LIVENESS-ORACLE-AUTHENTICATED]\n479:    pub fn provably_gone(&self) -> bool {\n480:        match process_identity(self.pid) {\n481:            ProcIdentity::Absent => true,\n482:            ProcIdentity::Present(now) => match self.born {\n483:                Some(born) => now != born,\n484:                None => false,\n485:            },\n486:            ProcIdentity::Unproven => false,\n487:        }\n488:    }\n489:}\n490:\n491:// [impl->REQ-PSYCHE-CRASHLOOP-BACKOFF-SHUTDOWN]\n492:pub fn process_table() -> Vec<(u32, u32)> {\n…\n554:}\n\n[Showing lines 334-492 of 677. Use :493 to continue]"}],"details":{"truncation":{"content":"\r\n/// What a pid's IDENTITY reads right now — the tri-state a custody record is\r\n/// tested against (ADR-0047 decision 1). Deliberately shaped like\r\n/// [`process_exists`]'s tri-state: \"no oracle\" is its own answer, never a\r\n/// manufactured death or life.\r\n#[derive(Debug, Clone, Copy, PartialEq, Eq)]\r\npub enum ProcIdentity {\r\n    /// A snapshot exists, the pid is IN it, and its start time reads `.0`.\r\n    Present(u64),\r\n    /// A snapshot exists and the pid is ABSENT — positive proof of death,\r\n    /// within the asker's visibility (see [`process_exists`]'s scope note).\r\n    Absent,\r\n    /// NO KNOWLEDGE: no process table on this platform, or a live pid whose\r\n    /// start time could not be read. Never proof of either verdict.\r\n    Unproven,\r\n}\r\n\r\n/// The pid → identity probe behind custody's pair test (ADR-0047 decision 1,\r\n/// KNOWN-HAZARDS 7.51). Existence comes FIRST and from the process TABLE\r\n/// ([`process_exists`] — sound for a process the asker may own, 7.50), and only\r\n/// then is the start time read as the discriminator. A pid recycled onto an\r\n/// unrelated process is therefore `Present(other_start_time)` — which fails the\r\n/// custody pair test and reads NOT OURS, instead of the bare-pid \"alive\" that\r\n/// made a corpse's custody immortal.\r\n///\r\n/// PRESENCE IS NOT LIFE ON UNIX. A killed child whose parent has not reaped it\r\n/// stays in the table as a ZOMBIE, and `/proc/<pid>/stat` keeps answering — so\r\n/// existence-then-start-time would read `Present(our_own_birth)`, i.e. HELD, for\r\n/// a process that is provably dead. The zombie is demoted here, by the same\r\n/// probe `provably_gone` already uses, so both death oracles agree; the\r\n/// alternative (each caller remembering to ask twice) is how a Linux-only\r\n/// never-converges bug reaches a gate. Windows needs no such demotion: a\r\n/// terminated process leaves the snapshot outright.\r\n// [impl->REQ-RESUME-CUSTODY-IDENTITY]\r\npub fn process_identity(pid: u32) -> ProcIdentity {\r\n    match process_exists(pid) {\r\n        None => ProcIdentity::Unproven, // no snapshot = no knowledge\r\n        Some(false) => ProcIdentity::Absent,\r\n        #[cfg(unix)]\r\n        Some(true) if !is_process_alive(pid) => ProcIdentity::Absent, // zombie ⇒ dead\r\n        Some(true) => match process_started_at(pid) {\r\n            Some(started) => ProcIdentity::Present(started),\r\n            // Alive but unreadable (a race with its exit, a denied query): no\r\n            // identity, so no verdict — the caller defers rather than guesses.\r\n            None => ProcIdentity::Unproven,\r\n        },\r\n    }\r\n}\r\n\r\n/// A pid PLUS the birth stamp it carried when it was found — the unit a poller\r\n/// must hold if its verdict is to be about the process it saw rather than about\r\n/// whoever holds that number later (IR-15).\r\n///\r\n/// `provably_gone` answers \"is *a* process at this pid?\", which is the right\r\n/// question for a pid you were just handed and the WRONG one for a pid you\r\n/// captured seconds ago and have been polling since. Between capture and verdict\r\n/// the process can die and the OS can hand its number to something unrelated; the\r\n/// bare-pid oracle then reads the stranger as your process, still alive, forever.\r\n/// That is the same reuse hazard [`process_identity`] was built for on the custody\r\n/// path (ADR-0047 decision 1, KNOWN-HAZARDS 7.51) — this type carries the stamp to\r\n/// the pollers that never got it.\r\n#[derive(Debug, Clone, Copy, PartialEq, Eq)]\r\npub struct PinnedProc {\r\n    pid: u32,\r\n    /// The start time read at pin time. `None` = this platform (or this moment)\r\n    /// would not say, which DEGRADES the verdict to bare-pid rather than\r\n    /// inventing one — see [`PinnedProc::is_stamped`].\r\n    born: Option<u64>,\r\n}\r\n\r\n/// Pin a pid together with whatever identity the platform will state for it NOW.\r\n///\r\n/// Call this at the moment the pid is discovered, never at the moment it is\r\n/// judged: a stamp read after the process died is a stamp of its replacement.\r\n// [impl->REQ-TEST-LIVENESS-ORACLE-AUTHENTICATED]\r\npub fn pin_process(pid: u32) -> PinnedProc {\r\n    PinnedProc {\r\n        pid,\r\n        born: process_started_at(pid),\r\n    }\r\n}\r\n\r\nimpl PinnedProc {\r\n    /// Build a pin from a stamp obtained ELSEWHERE — a spawn helper that already\r\n    /// returned `(pid, birth)`, or a stored record's `pid_started_at`.\r\n    ///\r\n    /// This is the same identity pair [`pin_process`] reads live, so the two are\r\n    /// interchangeable at the verdict; the difference is only where the stamp came\r\n    /// from. Prefer this when a stamp was captured at the RIGHT moment (at spawn,\r\n    /// at registration) over re-reading one now, which is later and therefore\r\n    /// weaker. `None` yields an unstamped pin — see [`PinnedProc::is_stamped`].\r\n    // [impl->REQ-TEST-LIVENESS-ORACLE-AUTHENTICATED]\r\n    pub fn from_stamp(pid: u32, born: Option<u64>) -> Self {\r\n        Self { pid, born }\r\n    }\r\n\r\n    /// The pinned pid, for diagnostics and panic messages.\r\n    pub fn pid(&self) -> u32 {\r\n        self.pid\r\n    }\r\n\r\n    /// Whether this pin actually carries a birth stamp.\r\n    ///\r\n    /// An unstamped pin is not an error, but it is strictly weaker than a stamped\r\n    /// one — it can only answer the bare-pid question. Callers that depend on\r\n    /// reuse discrimination should assert this at pin time so the degrade is\r\n    /// LOUD at the point it happens, rather than silently reappearing later as a\r\n    /// flake nobody can source.\r\n    pub fn is_stamped(&self) -> bool {\r\n        self.born.is_some()\r\n    }\r\n\r\n    /// Is the process **that was pinned** gone?\r\n    ///\r\n    /// | reads | verdict | why |\r\n    /// |---|---|---|\r\n    /// | `Absent` | GONE | positive proof of death from the table |\r\n    /// | `Present(same stamp)` | not gone | our process, still there |\r\n    /// | `Present(different stamp)` | GONE | ours died; a stranger holds the number |\r\n    /// | `Present(_)`, pin unstamped | not gone | degrade to bare-pid, never guess |\r\n    /// | `Unproven` | not gone | no oracle is not a death certificate |\r\n    ///\r\n    /// # The polarity is deliberate and load-bearing\r\n    ///\r\n    /// Every uncertain arm errs toward NOT GONE, i.e. toward a red. This oracle\r\n    /// guards teardown assertions, where the two failure directions are not\r\n    /// comparable: a false GONE hides a real kill-tree miss behind a green gate\r\n    /// and is unrecoverable, while a false NOT-GONE is a visible, recoverable\r\n    /// flaky red. So the pre-existing property that the bare-pid oracle can only\r\n    /// ever false-RED is PRESERVED here rather than traded away — a green from a\r\n    /// poller built on this type stays as conclusive as it was before.\r\n    ///\r\n    /// # Platform strength, which differs and must not be flattened\r\n    ///\r\n    /// - **Windows**: the stamp is a creation `FILETIME` at 100 ns resolution, so\r\n    ///   `Present(different)` is decisive.\r\n    /// - **Linux**: the stamp is `starttime` in CLOCK TICKS SINCE BOOT — 10 ms\r\n    ///   granularity. A reuse that lands inside the same tick reads\r\n    ///   `Present(same)` and therefore errs RED, which is the safe direction.\r\n    ///   This NARROWS the reuse window; it does not close it. **Do not read\r\n    ///   `Present(same)` on Linux as proof that the pinned process survived** —\r\n    ///   it is proof only that nothing distinguishable replaced it. The image\r\n    ///   path is the second axis that closes the remainder (releases#120), and it\r\n    ///   composes onto this same pinned identity.\r\n    // [impl->REQ-TEST-LIVENESS-ORACLE-AUTHENTICATED]\r\n    pub fn provably_gone(&self) -> bool {\r\n        match process_identity(self.pid) {\r\n            ProcIdentity::Absent => true,\r\n            ProcIdentity::Present(now) => match self.born {\r\n                Some(born) => now != born,\r\n                None => false,\r\n            },\r\n            ProcIdentity::Unproven => false,\r\n        }\r\n    }\r\n}\r\n\r\n// [impl->REQ-PSYCHE-CRASHLOOP-BACKOFF-SHUTDOWN]\r\npub fn process_table() -> Vec<(u32, u32)> {\r","truncated":true,"truncatedBy":"lines","totalLines":344,"totalBytes":8044,"outputLines":159,"outputBytes":8044,"lastLinePartial":false,"firstLineExceedsLimit":false},"totalLines":677,"displayContent":{"text":"\r\n/// What a pid's IDENTITY reads right now — the tri-state a custody record is\r\n/// tested against (ADR-0047 decision 1). Deliberately shaped like\r\n/// [`process_exists`]'s tri-state: \"no oracle\" is its own answer, never a\r\n/// manufactured death or life.\r\n#[derive(Debug, Clone, Copy, PartialEq, Eq)]\r\npub enum ProcIdentity {\r\n    /// A snapshot exists, the pid is IN it, and its start time reads `.0`.\r\n    Present(u64),\r\n    /// A snapshot exists and the pid is ABSENT — positive proof of death,\r\n    /// within the asker's visibility (see [`process_exists`]'s scope note).\r\n    Absent,\r\n    /// NO KNOWLEDGE: no process table on this platform, or a live pid whose\r\n    /// start time could not be read. Never proof of either verdict.\r\n    Unproven,\r\n}\r\n\r\n/// The pid → identity probe behind custody's pair test (ADR-0047 decision 1,\r\n/// KNOWN-HAZARDS 7.51). Existence comes FIRST and from the process TABLE\r\n/// ([`process_exists`] — sound for a process the asker may own, 7.50), and only\r\n/// then is the start time read as the discriminator. A pid recycled onto an\r\n/// unrelated process is therefore `Present(other_start_time)` — which fails the\r\n/// custody pair test and reads NOT OURS, instead of the bare-pid \"alive\" that\r\n/// made a corpse's custody immortal.\r\n///\r\n/// PRESENCE IS NOT LIFE ON UNIX. A killed child whose parent has not reaped it\r\n/// stays in the table as a ZOMBIE, and `/proc/<pid>/stat` keeps answering — so\r\n/// existence-then-start-time would read `Present(our_own_birth)`, i.e. HELD, for\r\n/// a process that is provably dead. The zombie is demoted here, by the same\r\n/// probe `provably_gone` already uses, so both death oracles agree; the\r\n/// alternative (each caller remembering to ask twice) is how a Linux-only\r\n/// never-converges bug reaches a gate. Windows needs no such demotion: a\r\n/// terminated process leaves the snapshot outright.\r\n// [impl->REQ-RESUME-CUSTODY-IDENTITY]\r\npub fn process_identity(pid: u32) -> ProcIdentity {\r\n    match process_exists(pid) {\r\n        None => ProcIdentity::Unproven, // no snapshot = no knowledge\r\n        Some(false) => ProcIdentity::Absent,\r\n        #[cfg(unix)]\r\n        Some(true) if !is_process_alive(pid) => ProcIdentity::Absent, // zombie ⇒ dead\r\n        Some(true) => match process_started_at(pid) {\r\n            Some(started) => ProcIdentity::Present(started),\r\n            // Alive but unreadable (a race with its exit, a denied query): no\r\n            // identity, so no verdict — the caller defers rather than guesses.\r\n            None => ProcIdentity::Unproven,\r\n        },\r\n    }\r\n}\r\n\r\n/// A pid PLUS the birth stamp it carried when it was found — the unit a poller\r\n/// must hold if its verdict is to be about the process it saw rather than about\r\n/// whoever holds that number later (IR-15).\r\n///\r\n/// `provably_gone` answers \"is *a* process at this pid?\", which is the right\r\n/// question for a pid you were just handed and the WRONG one for a pid you\r\n/// captured seconds ago and have been polling since. Between capture and verdict\r\n/// the process can die and the OS can hand its number to something unrelated; the\r\n/// bare-pid oracle then reads the stranger as your process, still alive, forever.\r\n/// That is the same reuse hazard [`process_identity`] was built for on the custody\r\n/// path (ADR-0047 decision 1, KNOWN-HAZARDS 7.51) — this type carries the stamp to\r\n/// the pollers that never got it.\r\n#[derive(Debug, Clone, Copy, PartialEq, Eq)]\r\npub struct PinnedProc {\r\n    pid: u32,\r\n    /// The start time read at pin time. `None` = this platform (or this moment)\r\n    /// would not say, which DEGRADES the verdict to bare-pid rather than\r\n    /// inventing one — see [`PinnedProc::is_stamped`].\r\n    born: Option<u64>,\r\n}\r\n\r\n/// Pin a pid together with whatever identity the platform will state for it NOW.\r\n///\r\n/// Call this at the moment the pid is discovered, never at the moment it is\r\n/// judged: a stamp read after the process died is a stamp of its replacement.\r\n// [impl->REQ-TEST-LIVENESS-ORACLE-AUTHENTICATED]\r\npub fn pin_process(pid: u32) -> PinnedProc {\r\n    PinnedProc {\r\n        pid,\r\n        born: process_started_at(pid),\r\n    }\r\n}\r\n\r\nimpl PinnedProc {\r\n    /// Build a pin from a stamp obtained ELSEWHERE — a spawn helper that already\r\n    /// returned `(pid, birth)`, or a stored record's `pid_started_at`.\r\n    ///\r\n    /// This is the same identity pair [`pin_process`] reads live, so the two are\r\n    /// interchangeable at the verdict; the difference is only where the stamp came\r\n    /// from. Prefer this when a stamp was captured at the RIGHT moment (at spawn,\r\n    /// at registration) over re-reading one now, which is later and therefore\r\n    /// weaker. `None` yields an unstamped pin — see [`PinnedProc::is_stamped`].\r\n    // [impl->REQ-TEST-LIVENESS-ORACLE-AUTHENTICATED]\r\n    pub fn from_stamp(pid: u32, born: Option<u64>) -> Self {\r\n        Self { pid, born }\r\n    }\r\n\r\n    /// The pinned pid, for diagnostics and panic messages.\r\n    pub fn pid(&self) -> u32 {\r\n        self.pid\r\n    }\r\n\r\n    /// Whether this pin actually carries a birth stamp.\r\n    ///\r\n    /// An unstamped pin is not an error, but it is strictly weaker than a stamped\r\n    /// one — it can only answer the bare-pid question. Callers that depend on\r\n    /// reuse discrimination should assert this at pin time so the degrade is\r\n    /// LOUD at the point it happens, rather than silently reappearing later as a\r\n    /// flake nobody can source.\r\n    pub fn is_stamped(&self) -> bool {\r\n        self.born.is_some()\r\n    }\r\n\r\n    /// Is the process **that was pinned** gone?\r\n    ///\r\n    /// | reads | verdict | why |\r\n    /// |---|---|---|\r\n    /// | `Absent` | GONE | positive proof of death from the table |\r\n    /// | `Present(same stamp)` | not gone | our process, still there |\r\n    /// | `Present(different stamp)` | GONE | ours died; a stranger holds the number |\r\n    /// | `Present(_)`, pin unstamped | not gone | degrade to bare-pid, never guess |\r\n    /// | `Unproven` | not gone | no oracle is not a death certificate |\r\n    ///\r\n    /// # The polarity is deliberate and load-bearing\r\n    ///\r\n    /// Every uncertain arm errs toward NOT GONE, i.e. toward a red. This oracle\r\n    /// guards teardown assertions, where the two failure directions are not\r\n    /// comparable: a false GONE hides a real kill-tree miss behind a green gate\r\n    /// and is unrecoverable, while a false NOT-GONE is a visible, recoverable\r\n    /// flaky red. So the pre-existing property that the bare-pid oracle can only\r\n    /// ever false-RED is PRESERVED here rather than traded away — a green from a\r\n    /// poller built on this type stays as conclusive as it was before.\r\n    ///\r\n    /// # Platform strength, which differs and must not be flattened\r\n    ///\r\n    /// - **Windows**: the stamp is a creation `FILETIME` at 100 ns resolution, so\r\n    ///   `Present(different)` is decisive.\r\n    /// - **Linux**: the stamp is `starttime` in CLOCK TICKS SINCE BOOT — 10 ms\r\n    ///   granularity. A reuse that lands inside the same tick reads\r\n    ///   `Present(same)` and therefore errs RED, which is the safe direction.\r\n    ///   This NARROWS the reuse window; it does not close it. **Do not read\r\n    ///   `Present(same)` on Linux as proof that the pinned process survived** —\r\n    ///   it is proof only that nothing distinguishable replaced it. The image\r\n    ///   path is the second axis that closes the remainder (releases#120), and it\r\n    ///   composes onto this same pinned identity.\r\n    // [impl->REQ-TEST-LIVENESS-ORACLE-AUTHENTICATED]\r\n    pub fn provably_gone(&self) -> bool {\r\n        match process_identity(self.pid) {\r\n            ProcIdentity::Absent => true,\r\n            ProcIdentity::Present(now) => match self.born {\r\n                Some(born) => now != born,\r\n                None => false,\r\n            },\r\n            ProcIdentity::Unproven => false,\r\n        }\r\n    }\r\n}\r\n\r\n// [impl->REQ-PSYCHE-CRASHLOOP-BACKOFF-SHUTDOWN]\r\npub fn process_table() -> Vec<(u32, u32)> {\r\n…\n}","startLine":334,"lineNumbers":[334,335,336,337,338,339,340,341,342,343,344,345,346,347,348,349,350,351,352,353,354,355,356,357,358,359,360,361,362,363,364,365,366,367,368,369,370,371,372,373,374,375,376,377,378,379,380,381,382,383,384,385,386,387,388,389,390,391,392,393,394,395,396,397,398,399,400,401,402,403,404,405,406,407,408,409,410,411,412,413,414,415,416,417,418,419,420,421,422,423,424,425,426,427,428,429,430,431,432,433,434,435,436,437,438,439,440,441,442,443,444,445,446,447,448,449,450,451,452,453,454,455,456,457,458,459,460,461,462,463,464,465,466,467,468,469,470,471,472,473,474,475,476,477,478,479,480,481,482,483,484,485,486,487,488,489,490,491,492,null,554]},"fileSize":31800,"meta":{"source":{"type":"path","value":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates\\spt-procident\\src\\lib.rs"},"truncation":{"direction":"head","truncatedBy":"lines","totalLines":677,"totalBytes":8044,"outputLines":159,"outputBytes":8044,"shownRange":{"start":334,"end":492},"nextOffset":493}}},"isError":false,"timestamp":1788998142213}}
{"type":"message","id":"861644c4","parentId":"9c7ea8e5","timestamp":"2026-09-09T23:55:42.287Z","message":{"role":"toolResult","toolCallId":"call_5B6NyU1oJ8MN4FnV7vMpyj28|fc_0ea187522e3f208f016aa1f1fdeaa887d2b6b2aaa43607fbc9","toolName":"grep","content":[{"type":"text","text":"# .worktrees/285-zombie/crates/\n\n## spt-daemon/src/\n### broker.rs#0038\n 10050:    #[test]\n*10051:    fn zombie_verdict_table() {\n 10052:        // Dead root + surviving record → always a zombie (wedged/missed exit-wait).\n*10053:        assert!(zombie_verdict(Some(false), true, false, true));\n*10054:        assert!(zombie_verdict(Some(false), false, false, false));\n 10055:        // The deployah wedge shape: adapter wrapper alive, harness clients dead,\n 10056:        // past boot grace → zombie.\n*10057:        assert!(zombie_verdict(Some(true), true, false, true));\n 10058:        // Same shape INSIDE the boot grace → NOT a zombie (clients not forked yet).\n*10059:        assert!(!zombie_verdict(Some(true), true, false, false));\n 10060:        // Adapter wrapper with live clients → genuinely live, refuse stands.\n*10061:        assert!(!zombie_verdict(Some(true), true, true, true));\n 10062:        // Direct/ad-hoc spawn (empty adapter) is its own client: wrapper-alive\n 10063:        // means live, descendants never consulted (test/shell spawns).\n*10064:        assert!(!zombie_verdict(Some(true), false, false, true));\n 10065:        // Unknown pid → never guess.\n*10066:        assert!(!zombie_verdict(None, true, false, true));\n 10067:        // NO SNAPSHOT reaches here as `None` too (the oracle's third state) —\n 10068:        // and must land on the same \"never guess\" arm, NOT on dead-root. An\n 10069:        // empty process table answering `Some(false)` would make every live\n 10070:        // session a zombie: the W1 stale-row blocker inverted at broker scope.\n*10071:        assert!(!zombie_verdict(None, false, false, true));\n 10072:    }\n 10073:\n 10074:    /// [unit->REQ-LIVENESS-ORACLE-SOUND] the NO-SNAPSHOT arm, pinned WITHOUT a\n...\n 10109:    #[test]\n*10110:    fn windows_session_is_zombie_sees_a_handle_held_corpse_as_dead() {\n 10111:        let mut child = std::process::Command::new(\"cmd\")\n 10112:            .args([\"/C\", \"ping -n 30 127.0.0.1 >NUL\"])\n 10113:            .spawn()\n...\n 10266:    #[test]\n*10267:    fn pair_hold_lifecycle_decisions() {\n 10268:        use crate::pairhost::JoinFail;\n 10269:        let now = Instant::now();\n 10270:        assert!(\n\n## spt/tests/\n### brain_split.rs#5994\n 105:#[test]\n*106:fn seed_anchor_survives_brain_cycle() {\n 107:    let home = tempfile::tempdir().unwrap();\n 108:    let spt_bin = PathBuf::from(env!(\"CARGO_BIN_EXE_spt\"));\n 109:    let ready = home.path().join(\"brain.ready\");\n### contract_e2e.rs#10C3\n 242:#[test]\n*243:fn live_agent_lifecycle_e2e() {\n 244:    // [int->REQ-SEAM-PSYCHE]\n 245:    // [int->REQ-SEAM-HISTORY]\n 246:    // [int->REQ-API-3]\n### daemon_refresh_e2e.rs#3A4E\n 61:#[test]\n*62:fn daemon_refresh_cycles_brain_while_hosted_endpoint_survives() {\n 63:    let now_ms = || {\n 64:        std::time::SystemTime::now()\n 65:            .duration_since(std::time::UNIX_EPOCH)\n### rc_attach_truth.rs#F877\n 387:#[test]\n*388:fn zombie_claim_refuses_never_attaches() {\n 389:    let _serial = E2E_LOCK.lock().unwrap_or_else(|e| e.into_inner());\n 390:    let home = tempfile::tempdir().unwrap();\n 391:    std::env::set_var(\"SPT_HOME\", home.path());\n### reaper_guard.rs#53FB\n 113:#[test]\n*114:fn a_creation_time_that_moved_reads_as_a_recycled_pid() {\n 115:    let (mut bystander, bystander_exe) = spawn_bystander();\n 116:    let pid = bystander.id();\n 117:    let observed = reap::observe(\"reaper_guard/pin\", pid).expect(\"the live child has an identity\");\n### shell_sleepwake_e2e.rs#BC0E\n 73:#[test]\n*74:fn sleep_wake_cycle_drives_from_both_ends() {\n 75:    let home = tempfile::tempdir().unwrap();\n 76:    std::env::set_var(\"SPT_HOME\", home.path());\n 77:    start_inproc_daemon();"}],"details":{"scopePath":".worktrees/285-zombie/crates/spt-daemon/src/broker.rs, .worktrees/285-zombie/crates/spt/tests","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":17,"fileCount":7,"files":[".worktrees/285-zombie/crates/spt-daemon/src/broker.rs",".worktrees/285-zombie/crates/spt/tests/brain_split.rs",".worktrees/285-zombie/crates/spt/tests/contract_e2e.rs",".worktrees/285-zombie/crates/spt/tests/daemon_refresh_e2e.rs",".worktrees/285-zombie/crates/spt/tests/rc_attach_truth.rs",".worktrees/285-zombie/crates/spt/tests/reaper_guard.rs",".worktrees/285-zombie/crates/spt/tests/shell_sleepwake_e2e.rs"],"fileMatches":[{"path":".worktrees/285-zombie/crates/spt-daemon/src/broker.rs","count":11},{"path":".worktrees/285-zombie/crates/spt/tests/brain_split.rs","count":1},{"path":".worktrees/285-zombie/crates/spt/tests/contract_e2e.rs","count":1},{"path":".worktrees/285-zombie/crates/spt/tests/daemon_refresh_e2e.rs","count":1},{"path":".worktrees/285-zombie/crates/spt/tests/rc_attach_truth.rs","count":1},{"path":".worktrees/285-zombie/crates/spt/tests/reaper_guard.rs","count":1},{"path":".worktrees/285-zombie/crates/spt/tests/shell_sleepwake_e2e.rs","count":1}],"truncated":false,"displayContent":"# .worktrees/285-zombie/crates/\n\n## spt-daemon/src/\n### broker.rs#0038\n 10050│    #[test]\n*10051│    fn zombie_verdict_table() {\n 10052│        // Dead root + surviving record → always a zombie (wedged/missed exit-wait).\n*10053│        assert!(zombie_verdict(Some(false), true, false, true));\n*10054│        assert!(zombie_verdict(Some(false), false, false, false));\n 10055│        // The deployah wedge shape: adapter wrapper alive, harness clients dead,\n 10056│        // past boot grace → zombie.\n*10057│        assert!(zombie_verdict(Some(true), true, false, true));\n 10058│        // Same shape INSIDE the boot grace → NOT a zombie (clients not forked yet).\n*10059│        assert!(!zombie_verdict(Some(true), true, false, false));\n 10060│        // Adapter wrapper with live clients → genuinely live, refuse stands.\n*10061│        assert!(!zombie_verdict(Some(true), true, true, true));\n 10062│        // Direct/ad-hoc spawn (empty adapter) is its own client: wrapper-alive\n 10063│        // means live, descendants never consulted (test/shell spawns).\n*10064│        assert!(!zombie_verdict(Some(true), false, false, true));\n 10065│        // Unknown pid → never guess.\n*10066│        assert!(!zombie_verdict(None, true, false, true));\n 10067│        // NO SNAPSHOT reaches here as `None` too (the oracle's third state) —\n 10068│        // and must land on the same \"never guess\" arm, NOT on dead-root. An\n 10069│        // empty process table answering `Some(false)` would make every live\n 10070│        // session a zombie: the W1 stale-row blocker inverted at broker scope.\n*10071│        assert!(!zombie_verdict(None, false, false, true));\n 10072│    }\n 10073│\n 10074│    /// [unit->REQ-LIVENESS-ORACLE-SOUND] the NO-SNAPSHOT arm, pinned WITHOUT a\n      │...\n 10109│    #[test]\n*10110│    fn windows_session_is_zombie_sees_a_handle_held_corpse_as_dead() {\n 10111│        let mut child = std::process::Command::new(\"cmd\")\n 10112│            .args([\"/C\", \"ping -n 30 127.0.0.1 >NUL\"])\n 10113│            .spawn()\n      │...\n 10266│    #[test]\n*10267│    fn pair_hold_lifecycle_decisions() {\n 10268│        use crate::pairhost::JoinFail;\n 10269│        let now = Instant::now();\n 10270│        assert!(\n\n## spt/tests/\n### brain_split.rs#5994\n 105│#[test]\n*106│fn seed_anchor_survives_brain_cycle() {\n 107│    let home = tempfile::tempdir().unwrap();\n 108│    let spt_bin = PathBuf::from(env!(\"CARGO_BIN_EXE_spt\"));\n 109│    let ready = home.path().join(\"brain.ready\");\n### contract_e2e.rs#10C3\n 242│#[test]\n*243│fn live_agent_lifecycle_e2e() {\n 244│    // [int->REQ-SEAM-PSYCHE]\n 245│    // [int->REQ-SEAM-HISTORY]\n 246│    // [int->REQ-API-3]\n### daemon_refresh_e2e.rs#3A4E\n 61│#[test]\n*62│fn daemon_refresh_cycles_brain_while_hosted_endpoint_survives() {\n 63│    let now_ms = || {\n 64│        std::time::SystemTime::now()\n 65│            .duration_since(std::time::UNIX_EPOCH)\n### rc_attach_truth.rs#F877\n 387│#[test]\n*388│fn zombie_claim_refuses_never_attaches() {\n 389│    let _serial = E2E_LOCK.lock().unwrap_or_else(|e| e.into_inner());\n 390│    let home = tempfile::tempdir().unwrap();\n 391│    std::env::set_var(\"SPT_HOME\", home.path());\n### reaper_guard.rs#53FB\n 113│#[test]\n*114│fn a_creation_time_that_moved_reads_as_a_recycled_pid() {\n 115│    let (mut bystander, bystander_exe) = spawn_bystander();\n 116│    let pid = bystander.id();\n 117│    let observed = reap::observe(\"reaper_guard/pin\", pid).expect(\"the live child has an identity\");\n### shell_sleepwake_e2e.rs#BC0E\n 73│#[test]\n*74│fn sleep_wake_cycle_drives_from_both_ends() {\n 75│    let home = tempfile::tempdir().unwrap();\n 76│    std::env::set_var(\"SPT_HOME\", home.path());\n 77│    start_inproc_daemon();"},"isError":false,"timestamp":1788998142287}}
{"type":"message","id":"6558a3c2","parentId":"861644c4","timestamp":"2026-09-09T23:55:42.307Z","message":{"role":"toolResult","toolCallId":"call_1GCuA7uxgg8fvsMqBFpiHTJ2|fc_0ea187522e3f208f016aa1f1fdeab887d285f27027265cbf20","toolName":"read","content":[{"type":"text","text":"Note: interpreted as 3 paths: .worktrees/285-zombie/crates/spt-daemon/src/servicehost.rs:635-689, .worktrees/285-zombie/crates/spt-daemon/src/livehost.rs:1105-1155, .worktrees/285-zombie/docs/adr/0047-daemon-lifecycle-custody-authority.md:35-73\n\n[.worktrees/285-zombie/crates/spt-daemon/src/servicehost.rs#03F2]\n634:pub fn kill_orphan_service_at(service_dir: &Path, option: &str) -> OrphanSweep {\n635:    let Some((pid, parked_image)) = read_parked_identity(service_dir) else {\n636:        return OrphanSweep::NoRecord;\n637:    };\n638:    // Table-answered, same reason as the post-kill confirmation (7.50): reading a\n639:    // terminated orphan as alive would send it to the image check, where a dead\n640:    // pid has no readable image, and it would come back `Unverifiable` and BLOCK\n641:    // adoption — a permanent loud refusal caused by the probe rather than by\n642:    // anything on this machine.\n643:    if pid == 0 || spt_store::proc::provably_gone(pid) {\n644:        retire_identity(service_dir);\n645:        return OrphanSweep::AlreadyDead;\n646:    }\n647:    // The pid is live. WHO is it? The image path decides — never the number.\n648:    let live_image = spt_store::proc::exe_path(pid);\n649:    let outcome = match (parked_image, live_image) {\n650:        (Some(parked), Some(live)) if same_image(&parked, &live) => {\n651:            spt_store::proc::kill_pid(pid);\n652:            // Rule 2: a FRESH read, taken after the kill. The pre-kill read is\n653:            // spent — it described a world this call just changed. Termination\n654:            // is asynchronous on both platforms, so the re-read is POLLED to a\n655:            // deadline; the verdict comes from the last read taken, never from\n656:            // the one taken before the kill.\n657:            if !awaits_death(pid, KILL_CONFIRM_MS) {\n658:                spt_proto::emit_line_err!(\n659:                    \"SERVICE_ORPHAN_KILL_FAILED:{option}: pid {pid} still alive after the kill \\\n660:                     — refusing to start a second instance on top of it\"\n661:                );\n662:                OrphanSweep::KillFailed(pid)\n663:            } else {\n664:                spt_proto::emit_line_err!(\"SERVICE_ORPHAN_REAPED:{option}: pid {pid} (path-verified)\");\n665:                OrphanSweep::Killed\n666:            }\n667:        }\n668:        (Some(_), Some(_)) => {\n669:            spt_proto::emit_line_err!(\n670:                \"SERVICE_ORPHAN_RECYCLED:{option}: pid {pid} is alive but runs a different \\\n671:                 image — the pid was reissued; nothing killed\"\n672:            );\n673:            OrphanSweep::NotOurs(pid)\n674:        }\n675:        // Either we never learned the image we spawned, or we cannot read the\n676:        // live one. Both are no-knowledge, and no-knowledge never authorizes a\n677:        // kill.\n678:        _ => {\n679:            spt_proto::emit_line_err!(\n680:                \"SERVICE_ORPHAN_UNVERIFIABLE:{option}: pid {pid} is alive but its image path \\\n681:                 could not be verified — reported, NOT killed\"\n682:            );\n683:            OrphanSweep::Unverifiable(pid)\n684:        }\n685:    };\n686:    // A record whose subject is dead, unrelated, or freshly killed is stale\n687:    // either way; a KillFailed keeps its record so the next sweep can retry.\n688:    if !matches!(outcome, OrphanSweep::KillFailed(_)) {\n689:        retire_identity(service_dir);\n690:    }\n691:    outcome\n692:}\n\n[Showing lines 634-692 of 4008. Use :693 to continue]\n\n[.worktrees/285-zombie/crates/spt-daemon/src/livehost.rs#FB0A]\n1090:fn sweep_legacy_resident_psyche_for(\n…\n1094:) {\n…\n1102:    let Some(adapter) = info.adapter.as_deref() else {\n…\n1104:    };\n1105:    let Ok(manifest) = spt_runtime::registry::resolve_option_in(registered, adapters_dir, adapter)\n1106:    else {\n1107:        return;\n1108:    };\n1109:    let Some(expected) = manifest\n1110:        .session\n1111:        .psyche_init\n1112:        .as_ref()\n1113:        .and_then(|role| psyche_program_norm(&role.command))\n1114:    else {\n1115:        return;\n1116:    };\n1117:    let psyche_id = format!(\"{id}-psyche\");\n1118:    let psyche_perch = perch::resolve_perch_path(&psyche_id, ParentHint::Explicit(id));\n1119:    let Some(pid) = spt_store::info::read_pid(&psyche_perch) else {\n1120:        return; // no nested info.json pid ⇒ not a legacy ready registration\n1121:    };\n1122:    if !legacy_psyche_should_reap(&psyche_id, &expected, pid) {\n1123:        // DECLINE. Loud ONLY when there is a live pid we chose not to kill (an ambiguous\n1124:        // or sibling signal) — never for the common dead-pid / no-orphan case.\n1125:        if spt_store::proc::is_process_alive(pid) {\n1126:            spt_proto::emit_line_err!(\n1127:                \"LEGACY_PSYCHE_SWEEP_DECLINE:{id} pid={pid}: no positive match \\\n1128:                 (basename/cmdline did not confirm the `{psyche_id}` legacy wrapper) — left running\"\n1129:            );\n1130:        }\n1131:        return;\n1132:    }\n1133:    // Positive match: THIS pid is the stranded pre-W3 `<id>-psyche` wrapper. Tree-kill so\n1134:    // its harness descendants die with it rather than orphaning.\n1135:    spt_store::proc::kill_pid_tree(pid);\n1136:    // Pin 3 residue: clear the stale ready registration the wrapper wrote (info.json +\n1137:    // `ready` marker) so no dead-pid phantom ready perch is left behind.\n1138:    let _ = std::fs::remove_file(psyche_perch.join(\"info.json\"));\n1139:    let _ = std::fs::remove_file(perch::resolve_ready_file(&psyche_id, ParentHint::Explicit(id)));\n1140:    spt_proto::emit_line_err!(\n1141:        \"LEGACY_PSYCHE_SWEEP_REAP:{id} pid={pid}: reaped stranded pre-W3 resident psyche \\\n1142:         + cleared its stale `{psyche_id}` ready registration\"\n1143:    );\n1144:}\n1145:\n1146:/// F-030 W5 ONE-SHOT brain-start GC of stranded `.live-bin` own-copy dirs (design\n1147:/// §W5, [`REQ-PSYCHE-LEGACY-RESIDENT-SWEEP`]). The retired resident spawn kept a\n1148:/// per-endpoint `<perch>/.live-bin/<prog>` PRIVATE COPY of the psyche binary; the\n1149:/// ephemeral per-event turn needs none (it runs from the install-dir/PATH snapshot,\n1150:/// image-lock exposure now turn-bounded), so a cross-version upgrade leaves a multi-MB\n1151:/// `.live-bin` per pre-W5 endpoint forever. Runs ONCE at brain start AFTER\n1152:/// [`sweep_legacy_resident_psyches`] (which kills any wrapper running FROM the image →\n1153:/// the dir then unlocks). A still-image-locked dir → F-028 C1 DISPLACE (a locked exe\n1154:/// can be MOVED even when it can't be unlinked): rename the dir aside to a fresh\n1155:/// `.live-bin.old-N` sibling + best-effort remove; a still-locked displaced dir stays\n1156:/// uniquely-named for a later boot's GC. NEVER delete-fail-abort. Also sweeps stale\n1157:/// `.live-bin.old*` litter a prior locked displace left behind.\n1158:// [impl->REQ-PSYCHE-LEGACY-RESIDENT-SWEEP]\n\n[Showing lines 1104-1158 of 2827. Use :1159 to continue]\n\n[.worktrees/285-zombie/docs/adr/0047-daemon-lifecycle-custody-authority.md#1FFD]\n9:## Context\n…\n15:1. **False-ONLINE after core restart.** A live agent read as online while its\n…\n32:3. **`spt update` freezes every attached rc PTY.** Pinned by the v0.40.0 OBS\n…\n34:   presumed gen+1 mechanism): during post-cycle dispatcher replay the broker\n35:   processed the SAME conn / SAME identity / SAME generation subscribe twice\n36:   15 ms apart. The equal-generation rung of the ADR-0044 ladder classifies that\n37:   as \"same lease, silent re-take\" — correct — but re-take is implemented as\n38:   `become_controller`, which unconditionally drops the prior seat (its writer\n39:   exits channel-closed). Designed for a dead seat after a dispatcher restart, it\n40:   also fires against the same LIVE conn: the lease kills its own writer and the\n41:   viewer freezes until a manual detach + re-attach.\n42:\n43:A fourth field bug (spt-hosted PTY corruption at fixed geometry) is still being\n44:RCA'd (hertz, on enlyzeam, isolated-rig non-repro already banked as the\n45:isolation-sensitivity discriminator). **Its fix rolls into this milestone as a\n46:later wave when the RCA lands** (operator ruling 2026-07-22); nothing is minted\n47:for it yet.\n48:\n49:## Decisions\n50:\n51:### 1. Process custody is an identity, never a bare PID\n52:\n53:<!-- [doc->REQ-RESUME-CUSTODY-IDENTITY] -->\n54:\n55:A custody record that can gate lifecycle decisions (`resume.pid` first; the shape\n56:generalizes) stores an **identity pair — pid + process creation time** — written\n57:atomically when the spawn is minted. Every consumer that today asks\n58:`is_process_alive(pid)` asks instead \"does a process with THIS pid AND THIS\n59:creation time exist\": a recycled pid fails the pair test and reads **NOT OURS**.\n60:\n61:- **Mismatch is self-healing, not an error:** a custody record whose pair no\n62:  longer matches a live process is DELETED by the reader that discovers it, and\n63:  the gated decision proceeds as if no custody existed (the spawn is dead; saying\n64:  so is the repair). No operator step.\n65:- **Atomic clear on the happy paths:** successful bind and spawn-reap both clear\n66:  the custody record in the same mutation that records their own outcome — the\n67:  record never outlives the question it answers.\n68:- Windows: creation time comes from the process snapshot, not from a retained\n69:  handle (KNOWN-HAZARDS 7.50 — the asker owning a handle is exactly the unsound\n70:  case). A platform with no snapshot yields \"unproven\", which defers ONE tick —\n71:  it never manufactures either verdict (7.49/7.50 precedent).\n72:\n73:**Rejected:** a spawn-generation counter file next to the pid (a second file can\n74:skew against the first; the pair travels in one record); process-name matching\n75:(names collide by design — every spawn is `spt`).\n76:\n…\n155:\n\n[Showing lines 34-76 of 421. Use :77 to continue]"}],"details":{"notes":["Note: interpreted as 3 paths: .worktrees/285-zombie/crates/spt-daemon/src/servicehost.rs:635-689, .worktrees/285-zombie/crates/spt-daemon/src/livehost.rs:1105-1155, .worktrees/285-zombie/docs/adr/0047-daemon-lifecycle-custody-authority.md:35-73"],"displayReadTargets":[".worktrees/285-zombie/crates/spt-daemon/src/servicehost.rs:635-689",".worktrees/285-zombie/crates/spt-daemon/src/livehost.rs:1105-1155",".worktrees/285-zombie/docs/adr/0047-daemon-lifecycle-custody-authority.md:35-73"]},"isError":false,"timestamp":1788998142306}}
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unknown or changed identity declines without teardown, while a provably dead root still permits stale-session cleanup without signaling its remembered PID\"\n+required_stages = [\"doc\", \"impl\", \"unit\"] # releases#285: deterministic injected identity/kill boundary; existing cycle tests cover dead-root convergence.\nPUT >4477:\n+  \"REQ-BROKER-ZOMBIE-IDENTITY\",\n*** End Patch\n","internal_chat_message_metadata_passthrough":{"create_time":1788998157.625101,"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"},"name":"edit","metadata":{"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"}}]},"duration":14128.40949999995,"ttft":4828.727599999984,"completedAt":1788998170477,"contextSnapshot":{"promptTokens":91945,"nonMessageTokens":16711,"compactionEpoch":0}}}
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{"type":"message","id":"c7aa7a61","parentId":"ee15bc4a","timestamp":"2026-09-09T23:56:22.471Z","message":{"role":"toolResult","toolCallId":"call_LixAkRcmqPuXHpNGpVzpg2a5|fc_0ea187522e3f208f016aa1f22611f487d2a9f0ab7c8d7636bf","toolName":"read","content":[{"type":"text","text":"Note: interpreted as 3 paths: .worktrees/285-zombie/crates/spt-daemon/src/broker.rs:10045-10080, .worktrees/285-zombie/docs/KNOWN-HAZARDS.md:833-852, .worktrees/285-zombie/crates/spt-store/src/proc.rs:302-345\n\n[.worktrees/285-zombie/crates/spt-daemon/src/broker.rs#0038]\n10010:    fn only_the_supervised_generation_can_claim_the_coordinator_image() {\n…\n10040:        assert_eq!(\n…\n10044:        );\n10045:    }\n10046:\n10047:    // [unit->REQ-ENDPOINT-CYCLE-HONEST] the ONE cycle-verb liveness verdict\n10048:    // (ADR-0041 decision 6): dead-tree claims probe as zombies (reap + respawn\n10049:    // honestly), live claims still refuse — the full table.\n10050:    #[test]\n10051:    fn zombie_verdict_table() {\n10052:        // Dead root + surviving record → always a zombie (wedged/missed exit-wait).\n10053:        assert!(zombie_verdict(Some(false), true, false, true));\n10054:        assert!(zombie_verdict(Some(false), false, false, false));\n10055:        // The deployah wedge shape: adapter wrapper alive, harness clients dead,\n10056:        // past boot grace → zombie.\n10057:        assert!(zombie_verdict(Some(true), true, false, true));\n10058:        // Same shape INSIDE the boot grace → NOT a zombie (clients not forked yet).\n10059:        assert!(!zombie_verdict(Some(true), true, false, false));\n10060:        // Adapter wrapper with live clients → genuinely live, refuse stands.\n10061:        assert!(!zombie_verdict(Some(true), true, true, true));\n10062:        // Direct/ad-hoc spawn (empty adapter) is its own client: wrapper-alive\n10063:        // means live, descendants never consulted (test/shell spawns).\n10064:        assert!(!zombie_verdict(Some(true), false, false, true));\n10065:        // Unknown pid → never guess.\n10066:        assert!(!zombie_verdict(None, true, false, true));\n10067:        // NO SNAPSHOT reaches here as `None` too (the oracle's third state) —\n10068:        // and must land on the same \"never guess\" arm, NOT on dead-root. An\n10069:        // empty process table answering `Some(false)` would make every live\n10070:        // session a zombie: the W1 stale-row blocker inverted at broker scope.\n10071:        assert!(!zombie_verdict(None, false, false, true));\n10072:    }\n10073:\n10074:    /// [unit->REQ-LIVENESS-ORACLE-SOUND] the NO-SNAPSHOT arm, pinned WITHOUT a\n10075:    /// platform that lacks a process table — the one claim neither the\n10076:    /// manufactured corpse nor the int can make, since both run where a table\n10077:    /// exists. Probe injected exactly as W1 injected `gone` into\n10078:    /// `unconfirmed_verdict`.\n10079:    ///\n10080:    /// The load-bearing case is the last one: where the table has NOTHING to\n10081:    /// say, the verdict must still be DEFINITE, because resolving to `None`\n10082:    /// there would silently disable zombie detection on non-Linux unix.\n10083:    #[test]\n\n[Showing lines 10044-10083 of 16233. Use :10084 to continue]\n\n[.worktrees/285-zombie/docs/KNOWN-HAZARDS.md#ABE6]\n825:### 7.49 A teardown verb never stamps a terminal or resting state it has not caused — and two individually-correct verbs must not compose into a lifecycle dead end  `[REQ-HAZARD-TEARDOWN-DEADEND]`\n…\n828:- **Failure (paid-for, two hertz field RCAs 2026-07-19, both doyle code-verified the same day; the second hit doyle's OWN live production endpoint):** `endpoint shutdown` reported `Active -> Suspended` and `endpoint stop` reported `STOPPED` while the broker session, its harness child, and a descendant `spt api listen` all kept running — the verbs only removed the ready marker, ran the Suspend rest edge / unregistered the address, and stamped the record. Three consequences, all observed: (a) the whole subtree was orphaned, and because the survivor was a GRANDCHILD of the PTY child, even a direct-child kill would have missed it; (b) the stamp was not durable — post-stop `info.json` read `status=offline` beside `rest_state=active` + `controlled=true`, because t…\n…\n831:- **Source:** TEARDOWN-AUTHORITY W1 (ADR-0045; hertz RCAs 2026-07-19).\n832:\n833:### 7.50 The liveness oracle answers from the process table, never from a handle a caller still holds  `[REQ-LIVENESS-ORACLE-SOUND]`\n834:\n835:<!-- [doc->REQ-LIVENESS-ORACLE-SOUND] -->\n836:- **Failure (paid-for, found by todlando during TEARDOWN-AUTHORITY W1 gate round 0, 2026-07-19; latent in `session_is_zombie` since the cycle verbs were built):** `spt_store::proc::is_process_alive` probes `OpenProcess` on Windows, which keeps SUCCEEDING for a TERMINATED process while any parent still holds an open handle to it — and the broker holds `Arc<PtySession>`, hence such a handle, for every PTY child it spawned. So a correctly-reaped harness reads ALIVE. `broker.rs::session_is_zombie` feeds exactly that call into `zombie_verdict`'s `wrapper_alive`, which flips the verdict off its PRIMARY class (`Some(false)` — \"dead root, surviving record — always a zombie\") onto the conditional arm, where classification then additionally requires `adapter_labeled &…\n837:- **Invariant:** **`is_process_alive` is unsound exactly when the ASKER — or a live ancestor of it — still holds an open HANDLE to the target.** That is the only condition under which `OpenProcess` outlives termination; dropping a `Child` closes the handle, so a spawner that DROPS is honest and a spawner that RETAINS is not. Therefore the dangerous shape is asking **\"is it GONE\" about a process you OWN**, and **the same call is sound in the CLI and unsound in the daemon for the very same pid** — soundness is a property of the ASKER, not of the call. \"Does this pid still exist\" is answered from the OS process table, which lists only processes that still exist, so absence from a NON-EMPTY snapshot is proof of death. An EMPTY table is **NO KNOWLEDGE, never proo…\n838:- **Second instance — the table's OTHER half (paid-for, found by doyle at the RESIDENT-SERVICE W1 PR gate, Linux leg, 2026-07-26):** absence from a non-empty snapshot is proof of death, but **PRESENCE in it is proof of LIFE on Windows only.** On unix a killed-but-unreaped child of a still-running spawner (in-process daemon hosting, tests) stays in `/proc` in `Z` state with a readable `stat`, so `process_table` keeps it and `process_exists` answers `Some(true)` for a process that runs nothing. `provably_gone`'s present arm returned `!exists` unconditionally, so table-presence beat the `Z`-state demotion `is_process_alive` already performs: a completed force-kill polled `awaits_death` to its full deadline and reported `OrphanSweep::KillFailed`, and a tree-tear…\n839:- **spt-core mapping:** `spt-store/src/proc.rs` (`is_process_alive` caveat + `process_exists` sibling over `process_table` + `provably_gone`'s per-platform present arm); `spt-daemon/src/servicehost.rs` `awaits_death` / `kill_orphan_service_at`; `spt-daemon/src/broker.rs` `session_is_zombie` (`wrapper_alive`) with `zombie_verdict` unchanged; consumers `spt/src/rc.rs` `has_live_session_honest`, `spt/src/cli.rs` `endpoint run` dup-guard + `cmd_rest` Suspend `alive_hint`; `spt/src/teardown.rs` `root_provably_gone` (handle-half correct since W1, zombie-half fixed 2026-07-26 — the mapping vouches only for what was audited). Precedent one scope down: `REQ-HAZARD-TEARDOWN-DEADEND` (row-presence-as-proxy).\n840:- **Source:** TEARDOWN-AUTHORITY W2 (ADR-0045 Amendment 1; todlando W1 gate finding 2026-07-19). Knowledge note: this Windows behavior was documented VERBATIM in `spt-daemon/tests/legacy_resident_sweep_e2e.rs` (which drops handles deliberately to get an honest probe) and never reached `proc.rs` or `zombie_verdict` — written where DISCOVERED, not where CONSUMED.\n841:\n842:### 7.51 Process custody is an identity, never a bare PID — a recycled pid must read NOT OURS  `[REQ-HAZARD-RESUME-CUSTODY-ABA]`\n843:\n844:<!-- [doc->REQ-HAZARD-RESUME-CUSTODY-ABA] -->\n845:- **Failure (paid-for, hertz v0.39.4 field RCA 2026-07-22, doyle code-verified same day):** `resume.pid` custody is a bare PID consumed as `read_resume_pid(..).is_some_and(is_process_alive)` at BOTH the livehost restart gate and the liveness-reconcile DEFER. A dead wake-resume spawn's pid, recycled by the OS onto an unrelated process (field proof: `resume.pid=29456` resolved to a random `cmd.exe`), reads as \"a resume is in flight\" indefinitely: reconcile defers every tick, the row stays online-authoritative, and the endpoint is FALSE-ONLINE with no self-repair — every reader faithfully resurrects the lie. The ABA problem, in process custody.\n846:- **Invariant:** a custody record that gates lifecycle decisions stores an **identity pair (pid + process creation time)**, written atomically at spawn-mint; consumers test the PAIR, and a mismatch means NOT OURS — the discovering reader DELETES the record and proceeds as if no custody existed (self-heal, not error). Bind and reap clear custody atomically with their own outcome. Creation time comes from the process snapshot, never a retained handle (7.50); no snapshot ⇒ \"unproven\" ⇒ defer ONE tick, never a manufactured verdict.\n847:- **spt-core mapping:** `spt-daemon/src/livehost.rs` (restart gate + reconcile DEFER custody reads); `spt-store` resume-custody record + `proc.rs` snapshot identity; regression = the recycled-pid rig (custody pair mismatching a live impostor pid → record deleted, reconcile proceeds, row goes honest).\n848:- **Source:** DAEMON-LIFECYCLE W1 (ADR-0047 decision 1; hertz field RCA bug 1).\n849:\n850:### 7.52 An operator stop outranks every implicit ensure — no convenience path resurrects what the operator just killed  `[REQ-HAZARD-STOP-RESPAWN-CONVOY]`\n851:\n852:<!-- [doc->REQ-HAZARD-STOP-RESPAWN-CONVOY] -->\n853:- **Failure (paid-for, hertz v0.39.4 field RCA 2026-07-22, doyle code-verified same day):** `spt daemon stop --force` is non-terminal on a box hosting live adapter sessions: every `spt api` invocation runs an unconditional `ensure_daemon()` (REQ-DAEMON-3's anchor), hook-driven api calls arrive continuously, so the stop is a race the operator loses — 5–10 ephemeral spawner windows flash and the daemon is back; several force-stops to stay down. The rc-side twins were fixed earlier (rc.rs); the api anchor stayed armed. Two defects compose: resurrect-after-stop, and N racing spawners with no serialization.\n854:- **Invariant:** `daemon stop` records a durable machine-scoped **stop inhibit** BEFORE teardown begins; every implicit autostart path consults it and DECLINES with one honest line naming the remedy (`spt daemon start`). Cleared by intent verbs only (explicit start; update paths that restart by design) — **no TTL** (a timeout is the surprise respawn again, later). Implicit autostart additionally takes a machine-wide lock around probe-and-spawn so concurrent callers can never launch competing daemons. Regression must assert the COMPOSITION: stop under a live api-call storm → daemon stays down, zero respawns, callers print the refusal; explicit start clears; concurrent-ensure race spawns exactly one daemon post-clear.\n855:- **spt-core mapping:** `spt/src/api/mod.rs` `ensure_daemon` + `spt-daemon` `ensure_running` (the two implicit anchors); `spt/src/cli.rs` `cmd_stop` (inhibit mint) + `daemon start` (clear); machine-lock alongside the existing daemon single-instance machinery. Kin: `REQ-HAZARD-DAEMON-STOP-REAP` (stop reaps its tree — this hazard keeps the tree DOWN afterwards).\n…\n857:\n\n[Showing lines 832-855 of 1091. Use :856 to continue. Some lines truncated to 768 chars]\n\n[.worktrees/285-zombie/crates/spt-store/src/proc.rs#0F4B]\n301:///   `/proc` answers `kill(pid, 0)`, which no handle can corrupt.\n302:///\n303:/// The unix present-arm delegation does NOT reopen 7.50's handle hazard: that\n304:/// hazard is `OpenProcess`, i.e. Windows-only, and this arm consults\n305:/// [`is_process_alive`] only on unix, where the probe is `kill(pid, 0)` plus the\n306:/// `/proc` state read — both handle-independent. On Windows the arm answers\n307:/// `false` from the table alone and never asks a handle anything.\n308:///\n309:/// Not a replacement for [`is_process_alive`], which remains the better probe\n310:/// where no handle is retained (see its doc, and 7.50's audit-don't-mass-migrate\n311:/// rule). This is the probe for the OWNED-process case, named after its question.\n312:// [impl->REQ-LIVENESS-ORACLE-SOUND]\n313:pub fn provably_gone(pid: u32) -> bool {\n314:    match process_exists(pid) {\n315:        // Absent from a real snapshot: proof of death on every platform.\n316:        Some(false) => true,\n317:        // PRESENT — which is not the same as alive. On unix the entry may be a\n318:        // zombie (see the doc comment), so the verdict comes from the probe that\n319:        // already demotes `Z` to dead; on Windows a terminated process is not in\n320:        // the snapshot at all, so presence is life and nothing more is asked.\n321:        Some(true) => {\n322:            #[cfg(unix)]\n323:            {\n324:                !is_process_alive(pid)\n325:            }\n326:            #[cfg(windows)]\n327:            {\n328:                false\n329:            }\n330:        }\n331:        None => !is_process_alive(pid),\n332:    }\n333:}\n334:\n335:\n336:/// When this machine last booted, as wall-clock epoch-ms — `None` when the\n337:/// platform will not say (never a guessed value).\n338:///\n339:/// This exists because a process START TIME cannot answer \"did this predate the\n340:/// current boot?\" portably: [`process_started_at`] returns an absolute FILETIME\n341:/// on Windows but JIFFIES SINCE BOOT on Linux, and the latter resets every boot,\n342:/// so a pre-restart value is indistinguishable from a fresh one. The boot instant\n343:/// is an absolute quantity on both platforms, so comparing an absolute LAUNCH\n344:/// stamp against it works the same way everywhere.\n345:///\n346:/// - Linux: `btime` from `/proc/stat`, the kernel's own boot epoch-seconds.\n347:/// - Windows: now minus `GetTickCount64` (milliseconds since boot).\n348:// [impl->REQ-SHELL-PERSISTENT-BOOT-RESTORE]\n\n[Showing lines 301-348 of 976. Use :349 to continue]"}],"details":{"notes":["Note: interpreted as 3 paths: .worktrees/285-zombie/crates/spt-daemon/src/broker.rs:10045-10080, .worktrees/285-zombie/docs/KNOWN-HAZARDS.md:833-852, .worktrees/285-zombie/crates/spt-store/src/proc.rs:302-345"],"displayReadTargets":[".worktrees/285-zombie/crates/spt-daemon/src/broker.rs:10045-10080",".worktrees/285-zombie/docs/KNOWN-HAZARDS.md:833-852",".worktrees/285-zombie/crates/spt-store/src/proc.rs:302-345"]},"isError":false,"timestamp":1788998182470}}
{"type":"custom","customType":"tool_execution_start","data":{"toolCallId":"call_mV4VlL5nxVv2ocFLmx9QFFlL|ctc_0ea187522e3f208f016aa1f230ed5c87d2af4904ea8be502c7","toolName":"edit","startedAt":"2026-09-09T23:56:46.712Z"},"id":"a49b435b","parentId":"c7aa7a61","timestamp":"2026-09-09T23:56:46.712Z"}
{"type":"message","id":"9b9f2e47","parentId":"a49b435b","timestamp":"2026-09-09T23:56:46.712Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Adding guarded cleanup helper**\n\n**Defining cleanup helper**"},{"type":"toolCall","id":"call_mV4VlL5nxVv2ocFLmx9QFFlL|ctc_0ea187522e3f208f016aa1f230ed5c87d2af4904ea8be502c7","name":"edit","arguments":{"input":"*** Begin Patch\n[.worktrees/285-zombie/crates/spt-daemon/src/broker.rs#0038]\nPUT >10072:\n+\n+    // [unit->REQ-BROKER-ZOMBIE-IDENTITY]\n+    #[test]\n+    fn zombie_reap_declines_recycled_pid() {\n+        use spt_store::proc::ProcIdentity;\n+        // A record still remembers the old wrapper's birth, but the same pid\n+        // now denotes a different process. It passes the old zombie predicate.\n+        let pid = 42;\n+        let born = 100;\n+        assert!(zombie_verdict(Some(true), true, false, true));\n+        let mut killed = None;\n+        let result = reap_zombie_root(\n+            Some(pid),\n+            Some(born),\n+            |_| ProcIdentity::Present(born + 1),\n+            |target| killed = Some(target),\n+        );\n+        assert_eq!(result, Err(\"identity-mismatch\"));\n+        assert_eq!(killed, None, \"the replacement and its descendants must survive\");\n+    }\n+\n+    // [unit->REQ-BROKER-ZOMBIE-IDENTITY]\n+    #[test]\n+    fn zombie_reap_requires_positive_identity_but_dead_root_needs_no_kill() {\n+        use spt_store::proc::ProcIdentity;\n+        for (pid, born, observed, expected, killed_pid) in [\n+            (Some(42), Some(100), ProcIdentity::Present(100), Ok(()), Some(42)),\n+            (Some(42), None, ProcIdentity::Present(100), Err(\"identity-unproven\"), None),\n+            (Some(42), Some(100), ProcIdentity::Unproven, Err(\"identity-unproven\"), None),\n+            (None, Some(100), ProcIdentity::Present(100), Err(\"pid-unknown\"), None),\n+            (Some(42), None, ProcIdentity::Absent, Ok(()), None),\n+        ] {\n+            let mut killed = None;\n+            let result = reap_zombie_root(pid, born, |_| observed, |target| killed = Some(target));\n+            assert_eq!(result, expected, \"{pid:?} / {born:?} / {observed:?}\");\n+            assert_eq!(killed, killed_pid, \"{pid:?} / {born:?} / {observed:?}\");\n+        }\n+    }\n*** End Patch\n"},"customWireName":"edit"}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-6-astra","usage":{"input":4134,"output":757,"cacheRead":92672,"cacheWrite":0,"totalTokens":97563,"reasoningTokens":221,"cost":{"input":0,"output":0,"cacheRead":0,"cacheWrite":0,"total":0}},"stopReason":"toolUse","timestamp":1788998182525,"responseId":"resp_0ea187522e3f208f016aa1f226b99087d29c7a19e681fc1e5b","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"rs_0ea187522e3f208f016aa1f227f11087d29ddba0e0b666c9b5","type":"reasoning","content":[],"encrypted_content":"gAAAAABqofIwjZJ-8r7S7gb0eXm0ClrPDv2tEekC7YyAYEPYQpuJwQBK7nUPTZEd0gMoDaS_mAWhQGolPh7-nEJ_DqxQJUZpNObdS29z9hfN_qRNLU3lxO7JXu8CixClAu3dN5asT52oYRMgiALQJMY93oYriwKhgPlpdT4r1aJopqGNYVPCkH5xI92xvoWrYbepyQbkdY7MuxsT2t0XSLwuakHJfdnta4Q6M67SQqCv7ud5h4uGbOgQUBf2ej9CM-1Ma_hY3H3JVWKww78ogDhFYCT7xqle7botYFx9f2BQbm4f5udr89EgYq1H1vgNa9vpUG8kHxbyIndQNMA_owl64Fe-4cIJTwZbHoefsh9Fntbu2HMqEMDWxZVicaiY_3x0pkzQ_seZqUwfteN0lqKwHIrl711tlXcpn67sko8Q3Jbiy5AVC5HDcqXeno87sbC8iNffX9-5bUKYQRCG8tvh2UjK5A2a8yIEgm1xkJZqHAKoWQrtbINbQDG5VST4WiCADFYvNrbkaypy7m80uEI15Bandq18X27DNakgWkoFrHkAFaAzdlrVVkKIYkN2--ZPVVYwreACtZf1i6hKtX5jY7g17W4vw_5jr6E8JNmD_1tBKFkOf6eohoXsExd9WNWWSx4oDl5O2TclmvSrCCmNw3OrtNNT6QeMSrsyiWrDw_tcqxVfpcrLXgVbKijk9N3SCK9UVFa9MM90i_BmuyYtDGkbhRRBhtQ1ZYeCSQ-2oJGOzmzX0gsdz7cNo-j-k27XgUCsqF6yszWbLVs_3xBji8CqB3P97FYI3VM_YLXqDElIkE9hAKD7TXOqY3WKmOwu8zqfEea2YKdeumx8OXtvHEjyM91Toasuo4tVwBudiOInDiMeemtvY-szKSMzvHeC9FfG-17r4zm-_aq8Xqc414PASfWE2UW43g0wOJhNF7Y2Q6Tud9CEW7QQOmnIW9jOctUpCsaZeKk7-LFc7C6dFiy80aRegwF6778gdSLtCsX2C6TKKER8XC5amhLi990IV7ilQKQjqnpT0inRUFwC-OlqkVV9pVU-my_Rf5LK_3j4wghXFjsPZCiA4kg08svAnoULrg5ekmxz_uyT3a_V7j7VlhkT2qAQKKYdqQUmFWXHf3K4F_04e9zRq_5zMqgl2lPpb3ch5xVfELQ3AdLsOhaljeDPcPKG7lSK92SqdWyqsHDIj5lNQyMsTYrIA_mh-70yaMtmoY0G4zgmSY135oWaDIiCrB2_2wndMJuK9jSv87tvAss6_NNmCXpb1as5x4f8bAUDdqRRCF9mw2pMIeAnq_kIvpDeO8rHeklx6ENLX81IrljE04l2oJUlaW9En8Are2RSnEHxSThO3_jIVBcuNpdKdBuAzTN7d7Sjiaj_psd2XgVB1RwaTRSJ_Mfw8oovjCtbQt39dt1vqOuzJ5dPZ8DSXBzuAuZzqWqHaZtctQZUNNDnrn17-1Gmms5nECitkUY7bHBBx0a3P9gG602j1cL2fJGSuMq65S5X1tCs8-y5PsLHYolU5odyFNse6PCjMUWRaC999TzkaHdq0o1ilR1YKjOTmbdZCebIjjQNKqxvqMKdXEG_J-gUFpdpKEeM2-u_3NgRXcp5_xzn3jUM6kKsRnzIokLROj8-PgZtHhFfmo6n3bMo26vRG36wf6Y8HbrR-4u3YRsNmBvexbZLQDQZdaCT-T3EOiEjjqN94wkbDvMItjejVd9097uWnb9VEvi1w5Om868Cot6l51Y_upo0OgLH3lBf5UIHBBET7QCLtbOdcW_5EA6uOd0ZYUW0oMzFCFoE15VWiYr-i0TKqPZ9qnulnRTcCiwQFfq290fWvSaEjoc1g9Hr4UzFj4eP79W-JPygSn3Su7Aml7rkF4L3vl9iI-bJ4WjO7OorC-cDc-gyn3pBiDLdwO6qWphUjd4TQWuy9voDLMZA1NPD6YTisr4qKz3gB1qfMpw3btuy-m_InBZ1H0u_sdhxCajRvY277J4sn_0RVFze5T6nw0zmXUfg_B6Sr2oZGGzEJfEpdmycb980AEkh2IXvs_taPTlhVQg8KvgvIeQyIOqfKE8P-oYP6ZbvsoMzfBQfVlZwH85wnKS-ilebOsY6IrnqMPDsYFmWmMEbTSvJnxid8S0izcysUb3AknsBgk8pcVHT2zvbm9814upTD2e7ICz0NkKgNPxrOHPlpSD3Jua3XulsZvuZn9MILjvSRqdpnTtyIxJF2-IyIutHS6aSCZC3xYfYi7Ci4P0k9YjtXRprVNajXs3eCm7K5wOuYJNgSUs2YXHQALYoPuLIDpnyd4XW_-d-6nuTvI5rkL-IJ_kugeUdo9Vfd3D2vidMFO4g7Qhr2utdV6jCwuhFoIPFerkUlS7u46nr5VrxPYjw0vbvIDQU6ZHukuFcYtXAXZ1U9OKN9jvRFpV7fxFzyEPSK9wVw-YVpnUhtvmsHpzU0Y16gpjIlopGRMyLMLMiM3CtenYVThj2dlRy7HnuIF9YdrXVdu-_HIuen65gAWht4Zg7zAkPd1mZJo-0Bi32bWYF8KiyhMNCcQ-EuRXC6IX9Ca3bs97MuBNNadjU0wd5XbyrIeMSGOnH4PGyVdWbY2g2khNpqsadM6pN6eDddjDxK5PTmCskXMNutf1W_IAo4kcZoxMVURROff5chQSSGgv2f7gC0o_JnoHNTDXblcQ5k28qwkPXkCPdX0yt7Do_7DTaBxtpv06LF-DoicIfR7m4ar0j9PB5FpOIKedmTEM74jlurFsZTv4pQgktE_drkcbP5jQSFEWi21g2ODpxa4NXeeIoi_ltJ1EBAVocDjDTlxeWs-Dy","internal_chat_message_metadata_passthrough":{"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"},"summary":[{"type":"summary_text","text":"**Adding guarded cleanup helper**"},{"type":"summary_text","text":"**Defining cleanup helper**"}],"metadata":{"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"}},{"id":"ctc_0ea187522e3f208f016aa1f230ed5c87d2af4904ea8be502c7","type":"custom_tool_call","status":"completed","call_id":"call_mV4VlL5nxVv2ocFLmx9QFFlL","input":"*** Begin Patch\n[.worktrees/285-zombie/crates/spt-daemon/src/broker.rs#0038]\nPUT >10072:\n+\n+    // [unit->REQ-BROKER-ZOMBIE-IDENTITY]\n+    #[test]\n+    fn zombie_reap_declines_recycled_pid() {\n+        use spt_store::proc::ProcIdentity;\n+        // A record still remembers the old wrapper's birth, but the same pid\n+        // now denotes a different process. It passes the old zombie predicate.\n+        let pid = 42;\n+        let born = 100;\n+        assert!(zombie_verdict(Some(true), true, false, true));\n+        let mut killed = None;\n+        let result = reap_zombie_root(\n+            Some(pid),\n+            Some(born),\n+            |_| ProcIdentity::Present(born + 1),\n+            |target| killed = Some(target),\n+        );\n+        assert_eq!(result, Err(\"identity-mismatch\"));\n+        assert_eq!(killed, None, \"the replacement and its descendants must survive\");\n+    }\n+\n+    // [unit->REQ-BROKER-ZOMBIE-IDENTITY]\n+    #[test]\n+    fn zombie_reap_requires_positive_identity_but_dead_root_needs_no_kill() {\n+        use spt_store::proc::ProcIdentity;\n+        for (pid, born, observed, expected, killed_pid) in [\n+            (Some(42), Some(100), ProcIdentity::Present(100), Ok(()), Some(42)),\n+            (Some(42), None, ProcIdentity::Present(100), Err(\"identity-unproven\"), None),\n+            (Some(42), Some(100), ProcIdentity::Unproven, Err(\"identity-unproven\"), None),\n+            (None, Some(100), ProcIdentity::Present(100), Err(\"pid-unknown\"), None),\n+            (Some(42), None, ProcIdentity::Absent, Ok(()), None),\n+        ] {\n+            let mut killed = None;\n+            let result = reap_zombie_root(pid, born, |_| observed, |target| killed = Some(target));\n+            assert_eq!(result, expected, \"{pid:?} / {born:?} / {observed:?}\");\n+            assert_eq!(killed, killed_pid, \"{pid:?} / {born:?} / {observed:?}\");\n+        }\n+    }\n*** End Patch\n","internal_chat_message_metadata_passthrough":{"create_time":1788998182.993466,"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"},"name":"edit","metadata":{"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"}}]},"duration":24185.15769999998,"ttft":1444.7064000000246,"completedAt":1788998206711,"contextSnapshot":{"promptTokens":96806,"nonMessageTokens":16711,"compactionEpoch":0}}}
{"type":"message","id":"6a4a066f","parentId":"9b9f2e47","timestamp":"2026-09-09T23:56:46.953Z","message":{"role":"toolResult","toolCallId":"call_mV4VlL5nxVv2ocFLmx9QFFlL|ctc_0ea187522e3f208f016aa1f230ed5c87d2af4904ea8be502c7","toolName":"edit","content":[{"type":"text","text":"[.worktrees/285-zombie/crates/spt-daemon/src/broker.rs#7AE8]\n10051:    fn zombie_verdict_table() {\n\n10072:    }\n10073:\n10074:    // [unit->REQ-BROKER-ZOMBIE-IDENTITY]\n10075:    #[test]\n…\n10110:    }\n10111:\n10112:    /// [unit->REQ-LIVENESS-ORACLE-SOUND] the NO-SNAPSHOT arm, pinned WITHOUT a\n10113:    /// platform that lacks a process table — the one claim neither the"}],"details":{"diff":" 10051|    fn zombie_verdict_table() {\n\n 10072|    }\n 10073|\n+10074|    // [unit->REQ-BROKER-ZOMBIE-IDENTITY]\n+10075|    #[test]\n+10076|    fn zombie_reap_declines_recycled_pid() {\n+10077|        use spt_store::proc::ProcIdentity;\n+10078|        // A record still remembers the old wrapper's birth, but the same pid\n+10079|        // now denotes a different process. It passes the old zombie predicate.\n+10080|        let pid = 42;\n+10081|        let born = 100;\n+10082|        assert!(zombie_verdict(Some(true), true, false, true));\n+10083|        let mut killed = None;\n+10084|        let result = reap_zombie_root(\n+10085|            Some(pid),\n+10086|            Some(born),\n+10087|            |_| ProcIdentity::Present(born + 1),\n+10088|            |target| killed = Some(target),\n+10089|        );\n+10090|        assert_eq!(result, Err(\"identity-mismatch\"));\n+10091|        assert_eq!(killed, None, \"the replacement and its descendants must survive\");\n+10092|    }\n+10093|\n+10094|    // [unit->REQ-BROKER-ZOMBIE-IDENTITY]\n+10095|    #[test]\n+10096|    fn zombie_reap_requires_positive_identity_but_dead_root_needs_no_kill() {\n+10097|        use spt_store::proc::ProcIdentity;\n+10098|        for (pid, born, observed, expected, killed_pid) in [\n+10099|            (Some(42), Some(100), ProcIdentity::Present(100), Ok(()), Some(42)),\n+10100|            (Some(42), None, ProcIdentity::Present(100), Err(\"identity-unproven\"), None),\n+10101|            (Some(42), Some(100), ProcIdentity::Unproven, Err(\"identity-unproven\"), None),\n+10102|            (None, Some(100), ProcIdentity::Present(100), Err(\"pid-unknown\"), None),\n+10103|            (Some(42), None, ProcIdentity::Absent, Ok(()), None),\n+10104|        ] {\n+10105|            let mut killed = None;\n+10106|            let result = reap_zombie_root(pid, born, |_| observed, |target| killed = Some(target));\n+10107|            assert_eq!(result, expected, \"{pid:?} / {born:?} / {observed:?}\");\n+10108|            assert_eq!(killed, killed_pid, \"{pid:?} / {born:?} / {observed:?}\");\n+10109|        }\n+10110|    }\n+10111|\n 10074|    /// [unit->REQ-LIVENESS-ORACLE-SOUND] the NO-SNAPSHOT arm, pinned WITHOUT a\n 10075|    /// platform that lacks a process table — the one claim neither the","firstChangedLine":10072,"op":"update","path":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates\\spt-daemon\\src\\broker.rs","snapshotsPruned":true},"isError":false,"timestamp":1788998206953}}
{"type":"custom","customType":"tool_execution_start","data":{"toolCallId":"call_17i9CBrLl7vXU29awSlAleNn|ctc_0ea187522e3f208f016aa1f243c88c87d28367c98250fc3bbd","toolName":"edit","startedAt":"2026-09-09T23:57:20.414Z"},"id":"ee86e57d","parentId":"6a4a066f","timestamp":"2026-09-09T23:57:20.414Z"}
{"type":"message","id":"10507620","parentId":"ee86e57d","timestamp":"2026-09-09T23:57:20.415Z","message":{"role":"assistant","content":[{"type":"toolCall","id":"call_17i9CBrLl7vXU29awSlAleNn|ctc_0ea187522e3f208f016aa1f243c88c87d28367c98250fc3bbd","name":"edit","arguments":{"input":"*** Begin Patch\n[.worktrees/285-zombie/crates/spt-daemon/src/broker.rs#7AE8]\nPUT >425:\n+\n+/// Kill only the root whose birth was captured before its exit waiter started.\n+/// A dead root permits record cleanup WITHOUT signaling its remembered number.\n+/// An error forbids both kill and forced de-tabling: dropping session resources\n+/// is teardown too, not a safe fallback for an identity we could not establish.\n+// [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+fn reap_zombie_root(\n+    pid: Option<u32>,\n+    born: Option<u64>,\n+    observe: impl FnOnce(u32) -> spt_store::proc::ProcIdentity,\n+    kill_tree: impl FnOnce(u32),\n+) -> Result<(), &'static str> {\n+    use spt_store::proc::ProcIdentity;\n+    let pid = pid.filter(|p| *p != 0).ok_or(\"pid-unknown\")?;\n+    match observe(pid) {\n+        ProcIdentity::Absent => Ok(()),\n+        ProcIdentity::Present(now) => match born {\n+            Some(expected) if expected == now => {\n+                kill_tree(pid);\n+                Ok(())\n+            }\n+            Some(_) => Err(\"identity-mismatch\"),\n+            None => Err(\"identity-unproven\"),\n+        },\n+        ProcIdentity::Unproven => Err(\"identity-unproven\"),\n+    }\n+}\nPUT >4118:\n+    /// OS birth stamp captured while the newly spawned child is still owned\n+    /// and BEFORE any waiter can reap it. Never refreshed from a remembered pid.\n+    // [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+    process_started_at: Option<u64>,\nPUT >8009:\n+                        process_started_at: Option<u64>,\nPUT >8022:\n+                                h.process_started_at,\nPUT 8037.=8037:\n+                            let (sid, spid, process_started_at, adapter_labeled, spawned_ms_ago) =\nPUT 8039.=8039:\n+                            Gate::AlreadyLive {\n+                                sid, spid, process_started_at, adapter_labeled, spawned_ms_ago,\n+                            }\nPUT 8084.=8084:\n+                    Gate::AlreadyLive {\n+                        sid, spid, process_started_at, adapter_labeled, spawned_ms_ago,\n+                    } => {\nPUT >8095:\n+                            // Re-observe immediately before any kill, off-lock.\n+                            // The existing owned-process death oracle preserves\n+                            // snapshot-less Unix cleanup and Linux zombie demotion.\n+                            // [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+                            if let Err(reason) = reap_zombie_root(\n+                                spid,\n+                                process_started_at,\n+                                |pid| {\n+                                    use spt_store::proc::{self, ProcIdentity};\n+                                    if proc::provably_gone(pid) {\n+                                        ProcIdentity::Absent\n+                                    } else {\n+                                        proc::process_started_at(pid)\n+                                            .map(ProcIdentity::Present)\n+                                            .unwrap_or(ProcIdentity::Unproven)\n+                                    }\n+                                },\n+                                spt_store::proc::kill_pid_tree,\n+                            ) {\n+                                spt_proto::emit_line_err!(\n+                                    \"SPAWN_ZOMBIE_REAP_DECLINE:{}: session {sid} pid={spid:?} \\\n+                                     reason={reason} — no kill or forced de-table\",\n+                                    req.endpoint\n+                                );\n+                                // Return BEFORE the cleanup loop. In particular,\n+                                // do not drop HostedSession/PTY resources or call\n+                                // dispatch_teardown as a fallback after refusal.\n+                                return Err(format!(\n+                                    \"SPAWN_ZOMBIE_REAP_DECLINE:{}: session {sid}: {reason}\",\n+                                    req.endpoint\n+                                ));\n+                            }\nCUT 8101.=8103\nPUT >8214:\n+        // Birth identity is trustworthy here: Windows retains the child handle;\n+        // Unix cannot recycle our child's pid until it is reaped, and no waiter\n+        // has been started yet. Exec may change its image, not its birth stamp.\n+        // [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+        let process_started_at = pid.and_then(spt_store::proc::process_started_at);\nPUT >8516:\n+                process_started_at,\n*** End Patch\n"},"customWireName":"edit"}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-6-astra","usage":{"input":1055,"output":959,"cacheRead":96640,"cacheWrite":0,"totalTokens":98654,"cost":{"input":0,"output":0,"cacheRead":0,"cacheWrite":0,"total":0}},"stopReason":"toolUse","timestamp":1788998207003,"responseId":"resp_0ea187522e3f208f016aa1f23f350887d2a5004932a94ce2a1","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"ctc_0ea187522e3f208f016aa1f243c88c87d28367c98250fc3bbd","type":"custom_tool_call","status":"completed","call_id":"call_17i9CBrLl7vXU29awSlAleNn","input":"*** Begin Patch\n[.worktrees/285-zombie/crates/spt-daemon/src/broker.rs#7AE8]\nPUT >425:\n+\n+/// Kill only the root whose birth was captured before its exit waiter started.\n+/// A dead root permits record cleanup WITHOUT signaling its remembered number.\n+/// An error forbids both kill and forced de-tabling: dropping session resources\n+/// is teardown too, not a safe fallback for an identity we could not establish.\n+// [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+fn reap_zombie_root(\n+    pid: Option<u32>,\n+    born: Option<u64>,\n+    observe: impl FnOnce(u32) -> spt_store::proc::ProcIdentity,\n+    kill_tree: impl FnOnce(u32),\n+) -> Result<(), &'static str> {\n+    use spt_store::proc::ProcIdentity;\n+    let pid = pid.filter(|p| *p != 0).ok_or(\"pid-unknown\")?;\n+    match observe(pid) {\n+        ProcIdentity::Absent => Ok(()),\n+        ProcIdentity::Present(now) => match born {\n+            Some(expected) if expected == now => {\n+                kill_tree(pid);\n+                Ok(())\n+            }\n+            Some(_) => Err(\"identity-mismatch\"),\n+            None => Err(\"identity-unproven\"),\n+        },\n+        ProcIdentity::Unproven => Err(\"identity-unproven\"),\n+    }\n+}\nPUT >4118:\n+    /// OS birth stamp captured while the newly spawned child is still owned\n+    /// and BEFORE any waiter can reap it. Never refreshed from a remembered pid.\n+    // [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+    process_started_at: Option<u64>,\nPUT >8009:\n+                        process_started_at: Option<u64>,\nPUT >8022:\n+                                h.process_started_at,\nPUT 8037.=8037:\n+                            let (sid, spid, process_started_at, adapter_labeled, spawned_ms_ago) =\nPUT 8039.=8039:\n+                            Gate::AlreadyLive {\n+                                sid, spid, process_started_at, adapter_labeled, spawned_ms_ago,\n+                            }\nPUT 8084.=8084:\n+                    Gate::AlreadyLive {\n+                        sid, spid, process_started_at, adapter_labeled, spawned_ms_ago,\n+                    } => {\nPUT >8095:\n+                            // Re-observe immediately before any kill, off-lock.\n+                            // The existing owned-process death oracle preserves\n+                            // snapshot-less Unix cleanup and Linux zombie demotion.\n+                            // [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+                            if let Err(reason) = reap_zombie_root(\n+                                spid,\n+                                process_started_at,\n+                                |pid| {\n+                                    use spt_store::proc::{self, ProcIdentity};\n+                                    if proc::provably_gone(pid) {\n+                                        ProcIdentity::Absent\n+                                    } else {\n+                                        proc::process_started_at(pid)\n+                                            .map(ProcIdentity::Present)\n+                                            .unwrap_or(ProcIdentity::Unproven)\n+                                    }\n+                                },\n+                                spt_store::proc::kill_pid_tree,\n+                            ) {\n+                                spt_proto::emit_line_err!(\n+                                    \"SPAWN_ZOMBIE_REAP_DECLINE:{}: session {sid} pid={spid:?} \\\n+                                     reason={reason} — no kill or forced de-table\",\n+                                    req.endpoint\n+                                );\n+                                // Return BEFORE the cleanup loop. In particular,\n+                                // do not drop HostedSession/PTY resources or call\n+                                // dispatch_teardown as a fallback after refusal.\n+                                return Err(format!(\n+                                    \"SPAWN_ZOMBIE_REAP_DECLINE:{}: session {sid}: {reason}\",\n+                                    req.endpoint\n+                                ));\n+                            }\nCUT 8101.=8103\nPUT >8214:\n+        // Birth identity is trustworthy here: Windows retains the child handle;\n+        // Unix cannot recycle our child's pid until it is reaped, and no waiter\n+        // has been started yet. Exec may change its image, not its birth stamp.\n+        // [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+        let process_started_at = pid.and_then(spt_store::proc::process_started_at);\nPUT >8516:\n+                process_started_at,\n*** End Patch\n","internal_chat_message_metadata_passthrough":{"create_time":1788998207.478543,"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"},"name":"edit","metadata":{"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"}}]},"duration":33408.41800000006,"ttft":4820.04150000005,"completedAt":1788998240412,"contextSnapshot":{"promptTokens":97695,"nonMessageTokens":16711,"compactionEpoch":0}}}
{"type":"message","id":"b9eb3911","parentId":"10507620","timestamp":"2026-09-09T23:57:20.933Z","message":{"role":"toolResult","toolCallId":"call_17i9CBrLl7vXU29awSlAleNn|ctc_0ea187522e3f208f016aa1f243c88c87d28367c98250fc3bbd","toolName":"edit","content":[{"type":"text","text":"[.worktrees/285-zombie/crates/spt-daemon/src/broker.rs#91D3]\n414:fn zombie_verdict(\n\n419:) -> bool {\n\n425:}\n426:\n427:/// Kill only the root whose birth was captured before its exit waiter started.\n428:/// A dead root permits record cleanup WITHOUT signaling its remembered number.\n…\n452:}\n453:\n454:/// The impure probe feeding [`zombie_verdict`] for a claimed live session —\n455:/// runs OFF every broker lock (a process-table walk is real work; KH 7.12).\n\n4100:struct HostedSession {\n\n4144:    // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n4145:    spawned_at: Instant,\n4146:    /// OS birth stamp captured while the newly spawned child is still owned\n4147:    /// and BEFORE any waiter can reap it. Never refreshed from a remembered pid.\n4148:    // [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n4149:    process_started_at: Option<u64>,\n4150:}\n4151:\n8039:                        sid: u64,\n8040:                        spid: Option<u32>,\n8041:                        process_started_at: Option<u64>,\n8042:                        adapter_labeled: bool,\n8043:                        spawned_ms_ago: u64,\n8053:                                *sid,\n8054:                                h.session.process_id(),\n8055:                                h.process_started_at,\n8056:                                !h.adapter.is_empty(),\n8057:                                h.spawned_at.elapsed().as_millis() as u64,\n8068:                    match wake_gate_decision(live.is_some(), held.is_some(), holder_stalled) {\n8069:                        WakeGate::AlreadyLive => {\n8070:                            let (sid, spid, process_started_at, adapter_labeled, spawned_ms_ago) =\n8071:                                live.expect(\"live is Some on AlreadyLive\");\n8072:                            Gate::AlreadyLive {\n8073:                                sid, spid, process_started_at, adapter_labeled, spawned_ms_ago,\n8074:                            }\n8075:                        }\n8076:                        WakeGate::Racing => Gate::Racing,\n\n8112:                    }\n\n8115:                    Gate::Claimed(guard) => {\n\n8117:                        break Some(guard);\n8118:                    }\n8119:                    Gate::AlreadyLive {\n8120:                        sid, spid, process_started_at, adapter_labeled, spawned_ms_ago,\n8121:                    } => {\n8122:                        // ONE liveness authority (ADR-0041 decision 6,\n8123:                        // REQ-ENDPOINT-CYCLE-HONEST): before refusing/deduping by\n8131:                        // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n8132:                        if session_is_zombie(spid, adapter_labeled, spawned_ms_ago) {\n8133:                            // Re-observe immediately before any kill, off-lock.\n8134:                            // The existing owned-process death oracle preserves\n…\n8163:                                ));\n8164:                            }\n8165:                            spt_proto::emit_line_err!(\n8166:                                \"SPAWN_ZOMBIE_REAP:{}: claimed session {sid} has a dead client \\\n8167:                                 tree — reaping before honest respawn [REQ-ENDPOINT-CYCLE-HONEST]\",\n8168:                                req.endpoint\n8169:                            );\n8170:                            // Bounded wait for the exit-waiter to reap the table row;\n8171:                            // belt: a wedged/missed waiter (root already dead) gets a\n\n8193:                        }\n\n8228:                    }\n\n8279:        let id = self.next_id.fetch_add(1, Ordering::Relaxed);\n8280:        let pid = session.process_id();\n8281:        // Birth identity is trustworthy here: Windows retains the child handle;\n8282:        // Unix cannot recycle our child's pid until it is reaped, and no waiter\n8283:        // has been started yet. Exec may change its image, not its birth stamp.\n8284:        // [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n8285:        let process_started_at = pid.and_then(spt_store::proc::process_started_at);\n8286:        // The ConPTY-create span releases#199 candidate C names, closed.\n8287:        spawn_phase(\"pty_created\", &format!(\"pid={pid:?}\"));\n\n8574:        recover(&self.sessions).insert(\n\n8576:            HostedSession {\n\n8586:                install_dir: req.install_dir.clone().map(std::path::PathBuf::from),\n8587:                spawned_at: Instant::now(),\n8588:                process_started_at,\n8589:            },\n8590:        );"}],"details":{"diff":" 414|fn zombie_verdict(\n\n 419|) -> bool {\n\n 425|}\n 426|\n+427|/// Kill only the root whose birth was captured before its exit waiter started.\n+428|/// A dead root permits record cleanup WITHOUT signaling its remembered number.\n+429|/// An error forbids both kill and forced de-tabling: dropping session resources\n+430|/// is teardown too, not a safe fallback for an identity we could not establish.\n+431|// [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+432|fn reap_zombie_root(\n+433|    pid: Option<u32>,\n+434|    born: Option<u64>,\n+435|    observe: impl FnOnce(u32) -> spt_store::proc::ProcIdentity,\n+436|    kill_tree: impl FnOnce(u32),\n+437|) -> Result<(), &'static str> {\n+438|    use spt_store::proc::ProcIdentity;\n+439|    let pid = pid.filter(|p| *p != 0).ok_or(\"pid-unknown\")?;\n+440|    match observe(pid) {\n+441|        ProcIdentity::Absent => Ok(()),\n+442|        ProcIdentity::Present(now) => match born {\n+443|            Some(expected) if expected == now => {\n+444|                kill_tree(pid);\n+445|                Ok(())\n+446|            }\n+447|            Some(_) => Err(\"identity-mismatch\"),\n+448|            None => Err(\"identity-unproven\"),\n+449|        },\n+450|        ProcIdentity::Unproven => Err(\"identity-unproven\"),\n+451|    }\n+452|}\n+453|\n 427|/// The impure probe feeding [`zombie_verdict`] for a claimed live session —\n 428|/// runs OFF every broker lock (a process-table walk is real work; KH 7.12).\n\n 4073|struct HostedSession {\n\n 4117|    // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n 4118|    spawned_at: Instant,\n+4146|    /// OS birth stamp captured while the newly spawned child is still owned\n+4147|    /// and BEFORE any waiter can reap it. Never refreshed from a remembered pid.\n+4148|    // [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+4149|    process_started_at: Option<u64>,\n 4119|}\n 4120|\n 8008|                        sid: u64,\n 8009|                        spid: Option<u32>,\n+8041|                        process_started_at: Option<u64>,\n 8010|                        adapter_labeled: bool,\n 8011|                        spawned_ms_ago: u64,\n 8021|                                *sid,\n 8022|                                h.session.process_id(),\n+8055|                                h.process_started_at,\n 8023|                                !h.adapter.is_empty(),\n 8024|                                h.spawned_at.elapsed().as_millis() as u64,\n 8035|                    match wake_gate_decision(live.is_some(), held.is_some(), holder_stalled) {\n 8036|                        WakeGate::AlreadyLive => {\n-8037|                            let (sid, spid, adapter_labeled, spawned_ms_ago) =\n+8070|                            let (sid, spid, process_started_at, adapter_labeled, spawned_ms_ago) =\n 8038|                                live.expect(\"live is Some on AlreadyLive\");\n-8039|                            Gate::AlreadyLive { sid, spid, adapter_labeled, spawned_ms_ago }\n+8072|                            Gate::AlreadyLive {\n+8073|                                sid, spid, process_started_at, adapter_labeled, spawned_ms_ago,\n+8074|                            }\n 8040|                        }\n 8041|                        WakeGate::Racing => Gate::Racing,\n\n 8077|                    }\n\n 8080|                    Gate::Claimed(guard) => {\n\n 8082|                        break Some(guard);\n 8083|                    }\n-8084|                    Gate::AlreadyLive { sid, spid, adapter_labeled, spawned_ms_ago } => {\n+8119|                    Gate::AlreadyLive {\n+8120|                        sid, spid, process_started_at, adapter_labeled, spawned_ms_ago,\n+8121|                    } => {\n 8085|                        // ONE liveness authority (ADR-0041 decision 6,\n 8086|                        // REQ-ENDPOINT-CYCLE-HONEST): before refusing/deduping by\n 8094|                        // [impl->REQ-ENDPOINT-CYCLE-HONEST]\n 8095|                        if session_is_zombie(spid, adapter_labeled, spawned_ms_ago) {\n+8133|                            // Re-observe immediately before any kill, off-lock.\n+8134|                            // The existing owned-process death oracle preserves\n+8135|                            // snapshot-less Unix cleanup and Linux zombie demotion.\n+8136|                            // [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+8137|                            if let Err(reason) = reap_zombie_root(\n+8138|                                spid,\n+8139|                                process_started_at,\n+8140|                                |pid| {\n+8141|                                    use spt_store::proc::{self, ProcIdentity};\n+8142|                                    if proc::provably_gone(pid) {\n+8143|                                        ProcIdentity::Absent\n+8144|                                    } else {\n+8145|                                        proc::process_started_at(pid)\n+8146|                                            .map(ProcIdentity::Present)\n+8147|                                            .unwrap_or(ProcIdentity::Unproven)\n+8148|                                    }\n+8149|                                },\n+8150|                                spt_store::proc::kill_pid_tree,\n+8151|                            ) {\n+8152|                                spt_proto::emit_line_err!(\n+8153|                                    \"SPAWN_ZOMBIE_REAP_DECLINE:{}: session {sid} pid={spid:?} \\\n+8154|                                     reason={reason} — no kill or forced de-table\",\n+8155|                                    req.endpoint\n+8156|                                );\n+8157|                                // Return BEFORE the cleanup loop. In particular,\n+8158|                                // do not drop HostedSession/PTY resources or call\n+8159|                                // dispatch_teardown as a fallback after refusal.\n+8160|                                return Err(format!(\n+8161|                                    \"SPAWN_ZOMBIE_REAP_DECLINE:{}: session {sid}: {reason}\",\n+8162|                                    req.endpoint\n+8163|                                ));\n+8164|                            }\n 8096|                            spt_proto::emit_line_err!(\n 8097|                                \"SPAWN_ZOMBIE_REAP:{}: claimed session {sid} has a dead client \\\n 8098|                                 tree — reaping before honest respawn [REQ-ENDPOINT-CYCLE-HONEST]\",\n 8099|                                req.endpoint\n 8100|                            );\n-8101|                            if let Some(pid) = spid {\n-8102|                                spt_store::proc::kill_pid_tree(pid);\n-8103|                            }\n 8104|                            // Bounded wait for the exit-waiter to reap the table row;\n 8105|                            // belt: a wedged/missed waiter (root already dead) gets a\n\n 8127|                        }\n\n 8162|                    }\n\n 8213|        let id = self.next_id.fetch_add(1, Ordering::Relaxed);\n 8214|        let pid = session.process_id();\n+8281|        // Birth identity is trustworthy here: Windows retains the child handle;\n+8282|        // Unix cannot recycle our child's pid until it is reaped, and no waiter\n+8283|        // has been started yet. Exec may change its image, not its birth stamp.\n+8284|        // [impl->REQ-BROKER-ZOMBIE-IDENTITY]\n+8285|        let process_started_at = pid.and_then(spt_store::proc::process_started_at);\n 8215|        // The ConPTY-create span releases#199 candidate C names, closed.\n 8216|        spawn_phase(\"pty_created\", &format!(\"pid={pid:?}\"));\n\n 8503|        recover(&self.sessions).insert(\n\n 8505|            HostedSession {\n\n 8515|                install_dir: req.install_dir.clone().map(std::path::PathBuf::from),\n 8516|                spawned_at: Instant::now(),\n+8588|                process_started_at,\n 8517|            },\n 8518|        );","firstChangedLine":425,"op":"update","path":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates\\spt-daemon\\src\\broker.rs","snapshotsPruned":true},"isError":false,"timestamp":1788998240932}}
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{"type":"message","id":"e507ed44","parentId":"ba9aed6d","timestamp":"2026-09-09T23:57:43.076Z","message":{"role":"assistant","content":[{"type":"thinking","thinking":"**Recording verification exception**\n\n**Updating release notes**"},{"type":"toolCall","id":"call_sd9YBOgPTCUJAQZWH514Vew8|ctc_0ea187522e3f208f016aa1f26d661487d2bf2e03525a040b10","name":"edit","arguments":{"input":"*** Begin Patch\n[.worktrees/285-zombie/docs/adr/0041-endpoint-lifecycle-truth.md#45D1]\nPUT >81:\n+\n+<!-- [doc->REQ-BROKER-ZOMBIE-IDENTITY] -->\n+   **Zombie-kill identity guard (releases#285).** Liveness is not permission to\n+   kill a remembered PID. The broker records the root's OS creation time just\n+   after PTY spawn, before starting its exit waiter. The child is still owned:\n+   on Windows its handle is retained; on Unix it has not been reaped, so its\n+   number cannot yet be recycled. The expected identity is never refreshed at\n+   reap time. Start time is preferred over image because a launcher can `exec`\n+   another image without becoming a different process.\n+\n+   At the zombie kill boundary, a fresh owned-process death probe permits\n+   stale-row cleanup for a dead root **without any PID/tree kill**. Otherwise a\n+   fresh start-time query must match the captured stamp before tree-kill.\n+   Unknown PID, missing/unreadable identity, or a changed stamp emits\n+   `SPAWN_ZOMBIE_REAP_DECLINE` and fails the spawn request **before** the forced\n+   de-table loop. There is no fallback `session.kill`, teardown dispatch, or\n+   session-resource drop on refusal; the old row remains for its normal exit\n+   waiter. This deliberately trades automatic recovery of an unverifiable\n+   live-number row for safety, rather than using cleanup as an indirect kill.\n+   Fresh-dead cleanup retains the existing snapshot-less Unix liveness fallback.\n+\n+   **Limits:** this is a checked numeric tree-kill, not an atomic handle/pidfd\n+   tree termination. A process can exit and its PID can be reused after the\n+   identity query and before a signal; descendant enumeration/kill retains the\n+   same race. Linux start times have clock-tick resolution, so same-tick reuse\n+   is indistinguishable; Windows uses creation FILETIME. This scoped guard does\n+   not change generic `kill_pid_tree` or other kill sites.\n*** End Patch\n"},"customWireName":"edit"}],"api":"openai-codex-responses","provider":"openai-codex","model":"gpt-6-astra","usage":{"input":2140,"output":689,"cacheRead":97536,"cacheWrite":0,"totalTokens":100365,"reasoningTokens":209,"cost":{"input":0,"output":0,"cacheRead":0,"cacheWrite":0,"total":0}},"stopReason":"toolUse","timestamp":1788998240983,"responseId":"resp_0ea187522e3f208f016aa1f26139a487d2915ade8eea45d011","providerPayload":{"type":"openaiResponsesHistory","provider":"openai-codex","dt":true,"items":[{"id":"rs_0ea187522e3f208f016aa1f26254d887d2960bf21496d281b3","type":"reasoning","content":[],"encrypted_content":"gAAAAABqofJtGnGyW4HX5tW3DnKKedH6auue5EJZozSVFvHKALzTMEZhFmUU29MCySsgnYbiY3gGJMPx4jAtHu1Y-FHhzvtYUEtREbOLZHGMLjU-nhFCRcv4LVhmHkqEsS3s5HuNl7aTtVKn6wZkjLZ-ukTMmpZ_EC-bJINV6acVwWBQ9COQcQO8PXliUCWkI8rMePzSU3eZzEouPHz9uBfeQtF-AG5LQYqfVIgf04xeGtGOtyMKR4n6uEJ9sVqUoLWYSX0V_KS4PdxSdGXGKWDT5jaZxUku6lNbgBRGwNs5U2zgDSg-SmChqT-3N8mpRGDEpsrzaidbYa9aEKKAK8xu9vZ3aHXDjRKVb73blIeAST2Ipwz0XbvL02xWyDCdv-_TJ3Ge5gtmQQWFI_GfGUaKw2LpWRURZidn6V0ScSGxv1C4QjQ6CqH0AKnFeRqXHTuM4hgmK6hgEY5cBsmHnAQyL6Ax_Ig0a9rWC8IflGps5SXKaFozpYnLgJ2cdZy_SnOj2S7GHDlwoo_jZjdAMCTCQh951-bc6bJ0KTEv_0OeBoAjQfjzNY9h7eoyemlh9d_oZsTnMCIHUFnJ8oEy0bErZlohdpjCLhJTzvKlNldSSA4BfQrDG5uZ8sfu4Er9rhG_hRmYd9ml6zaRj1fOP-FEK6Gpz54S0MrTYlwOGymcA_oe2QgM8efVLTo_M6egycdvCEeDEo-nzX89SYA_YVhbN4MggsAIYRtMgpmwdCNURqWVgoOWdGutTdR0YeQiL_dDY-5UtPRsjBV9x3qBOAJLJr_-JttUUGRnjkF_gZqZVlullQndUZ4Z2qWQnyOu868-06U3d-s_64XZZOMe7b3jE_I-IfhhHmqNfiOtts8GEQkBh6AqvCq4qWwO5GPhlgcoIGqG0OXutefLZlJKTKwPZHQj1D7GX_CEdUX5hUCmQH-9PW2fHVkw80w38icgLjhZVWozbewzGLBd0AeR_Q5zgxsaE6oXTSz58wiBZZ330R-WUf9EG7G0I9ug40gWhYnjo2NeraimVEZEbgsDioV0hxN1OCEF4ee75SkfovtitDx6div_LOwZmrrco3GHEXP6h4jrd2_HjwizLHoJ6UpuP40qTvu3yPDPh7diDhEE3LH-kDZk3ItdwzCeany2HrX3esZwvli0VmbCQIF-CffAupSWvAoz47S-st_HKKrm7mI9oifm7WJN2koQKsh9ANtdmW9P-7s1QIB_IEv23g7QcILydDAfjLP999y-ME7WBqoUle8etrVqjRH4VvzUSO-RGF8UwG05JXdDLv58WQxp3DYOkJIMwZ6fsoCNLc99k63CtQygnDgy_rmXZG0V4vUgeUu7H01spSTsTU5_-4UbPLxLkZccI-_2PrtaY2MXTL9343MOUwaAgJDTMnyW1-LBFFyvZMCDhyWAwH9TFImehXWWMt8CDW26Sm01Lk4X7pNMXOsRmbXq_-Z-sP10TBXg9a5OdzgK81I1CQmCnTOJbgeUEQVbA6Mu_r5AKlncDZj1Z1hCFAO60_kwyBBJrfFl8y-2gbYO8yoP0roYvy3f03VeZwTnFZ2gjpDa8gyGUBbGmfqwU4wzgsRi1ceaIkzwEYHBSlpxQVLKubWHvp0sWFrdVTAJCm2o7OWF2LXnQby6W-TRYBH3hKhPCTXW-4YmvXb2Ha5d8Wb3oz4mm7kxLcKFkJT1s69_CDIIgqju1cu_LcrOdrZJ2PJbdPcKF54CPyAEjGEkc6SwGC-aEzFEUEXb925f8qxGPC-Yh2q7jJ4sB60gTSDVIwTgfH1pp6GEgPMPqDnhEJ2g8VGDHyWe2WPQPEO0fBXyMxduvFvunRABtx2zS-hB40zLc71uLJZTQN5hLWX1dT1siZeh5EYyYS3uwSRjMDaunRBUINMVxigRnH7ZA8qJAOs0y1TfErA-w1UOgBQzhSW6jgbBD34u7fe-OmPQaR1R-a-_9mbCZVY_3rXN2be2XN2u6cCNDZbEeCZlap_B711P5I5k5UzyYQKfgS-209uKxOytgVpjBPCrnkvwPjU5NlRPKtlly3Oqf80vCYSyUA6c0rlke1fl70nEJwlHmUekOAqVb11-LQNhG-ad3WATtalXdDN9Vp4pzQebF5e185BtRzadof-Csn36JxrzrHfII4hGOF0PiNS8-NPuIY6XfyTV2tyIcnpELIwrYlVl_5WawazYAVddkVN_ZYSZToZofe04ZqpBuKV4zV1OQbuoDZSQM4Cv66h9rxglXniBuP7MpYOyPxnrt4z6fAStHRI7Ht4abMCJCrraYEOvE-tzIp9WSSwn6dQFCUk6koXPA2JSew3bSlx87Cp_l4TyBUHrGoLHmtxDY3OY3ijOGtnZIBgmVLccWvXORV3jNSsgdYoRjHANLhfDz6_PbGeAx0BkgjnzMwjxDszgxryIy_PlQ24CAfZhMb4AIT5aOoayprlLpYcKcEJOWVsEf-7w59BWqlYsJnVe0r_elO5AM9mtW1BZrz1q6JZBVaAo9FVnceG_xwCG9wHODsSdcQhW7EI3_dZ_A8bs84oPMW_8jpLuY-CwIb1ZK9Gg_Cblrub-ung2DrmxjEJfhph689a7ENmHujjVAUbvV-6a62WjHTB_6XfuE5eJAIklQQHog85cM0iGrFxUfoZuRZ2NeO7Ck-2Eyomm56fxmtUqvPweLpHK6EAV4B1WflEjWAh6BiW-e3eqNhpCOscFfa-2T_qCm88r33cCnvDEafJSw9zEu1PAA_vnjkOJu3FwOCXw3oKmmjADBCfCcMA2aRehpLLtfg==","internal_chat_message_metadata_passthrough":{"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"},"summary":[{"type":"summary_text","text":"**Recording verification exception**"},{"type":"summary_text","text":"**Updating release notes**"}],"metadata":{"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"}},{"id":"ctc_0ea187522e3f208f016aa1f26d661487d2bf2e03525a040b10","type":"custom_tool_call","status":"completed","call_id":"call_sd9YBOgPTCUJAQZWH514Vew8","input":"*** Begin Patch\n[.worktrees/285-zombie/docs/adr/0041-endpoint-lifecycle-truth.md#45D1]\nPUT >81:\n+\n+<!-- [doc->REQ-BROKER-ZOMBIE-IDENTITY] -->\n+   **Zombie-kill identity guard (releases#285).** Liveness is not permission to\n+   kill a remembered PID. The broker records the root's OS creation time just\n+   after PTY spawn, before starting its exit waiter. The child is still owned:\n+   on Windows its handle is retained; on Unix it has not been reaped, so its\n+   number cannot yet be recycled. The expected identity is never refreshed at\n+   reap time. Start time is preferred over image because a launcher can `exec`\n+   another image without becoming a different process.\n+\n+   At the zombie kill boundary, a fresh owned-process death probe permits\n+   stale-row cleanup for a dead root **without any PID/tree kill**. Otherwise a\n+   fresh start-time query must match the captured stamp before tree-kill.\n+   Unknown PID, missing/unreadable identity, or a changed stamp emits\n+   `SPAWN_ZOMBIE_REAP_DECLINE` and fails the spawn request **before** the forced\n+   de-table loop. There is no fallback `session.kill`, teardown dispatch, or\n+   session-resource drop on refusal; the old row remains for its normal exit\n+   waiter. This deliberately trades automatic recovery of an unverifiable\n+   live-number row for safety, rather than using cleanup as an indirect kill.\n+   Fresh-dead cleanup retains the existing snapshot-less Unix liveness fallback.\n+\n+   **Limits:** this is a checked numeric tree-kill, not an atomic handle/pidfd\n+   tree termination. A process can exit and its PID can be reused after the\n+   identity query and before a signal; descendant enumeration/kill retains the\n+   same race. Linux start times have clock-tick resolution, so same-tick reuse\n+   is indistinguishable; Windows uses creation FILETIME. This scoped guard does\n+   not change generic `kill_pid_tree` or other kill sites.\n*** End Patch\n","internal_chat_message_metadata_passthrough":{"create_time":1788998241.48941,"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"},"name":"edit","metadata":{"turn_id":"4ad58ebe-2205-4d6c-80c0-d3c359d9bd78"}}]},"duration":22091.059899999993,"ttft":1375.6461000000127,"completedAt":1788998263075,"contextSnapshot":{"promptTokens":99676,"nonMessageTokens":16711,"compactionEpoch":0}}}
{"type":"message","id":"ebc5ef6a","parentId":"e507ed44","timestamp":"2026-09-09T23:57:43.095Z","message":{"role":"toolResult","toolCallId":"call_sd9YBOgPTCUJAQZWH514Vew8|ctc_0ea187522e3f208f016aa1f26d661487d2bf2e03525a040b10","toolName":"edit","content":[{"type":"text","text":"[.worktrees/285-zombie/docs/adr/0041-endpoint-lifecycle-truth.md#A7B4]\n39:## Decision\n\n78:6. **One liveness authority for cycle verbs.** The ALREADY_LIVE dup-guard liveness-probes\n\n81:   answer (no ALREADY_LIVE/OFFLINE/NO_EDGE three-way contradiction).\n82:\n83:<!-- [doc->REQ-BROKER-ZOMBIE-IDENTITY] -->\n84:   **Zombie-kill identity guard (releases#285).** Liveness is not permission to\n…\n108:   not change generic `kill_pid_tree` or other kill sites.\n109:\n110:## Consequences\n111:\n\n122:"}],"details":{"diff":" 39|## Decision\n\n 78|6. **One liveness authority for cycle verbs.** The ALREADY_LIVE dup-guard liveness-probes\n\n 81|   answer (no ALREADY_LIVE/OFFLINE/NO_EDGE three-way contradiction).\n 82|\n+83|<!-- [doc->REQ-BROKER-ZOMBIE-IDENTITY] -->\n+84|   **Zombie-kill identity guard (releases#285).** Liveness is not permission to\n+85|   kill a remembered PID. The broker records the root's OS creation time just\n+86|   after PTY spawn, before starting its exit waiter. The child is still owned:\n+87|   on Windows its handle is retained; on Unix it has not been reaped, so its\n+88|   number cannot yet be recycled. The expected identity is never refreshed at\n+89|   reap time. Start time is preferred over image because a launcher can `exec`\n+90|   another image without becoming a different process.\n+91|\n+92|   At the zombie kill boundary, a fresh owned-process death probe permits\n+93|   stale-row cleanup for a dead root **without any PID/tree kill**. Otherwise a\n+94|   fresh start-time query must match the captured stamp before tree-kill.\n+95|   Unknown PID, missing/unreadable identity, or a changed stamp emits\n+96|   `SPAWN_ZOMBIE_REAP_DECLINE` and fails the spawn request **before** the forced\n+97|   de-table loop. There is no fallback `session.kill`, teardown dispatch, or\n+98|   session-resource drop on refusal; the old row remains for its normal exit\n+99|   waiter. This deliberately trades automatic recovery of an unverifiable\n+100|   live-number row for safety, rather than using cleanup as an indirect kill.\n+101|   Fresh-dead cleanup retains the existing snapshot-less Unix liveness fallback.\n+102|\n+103|   **Limits:** this is a checked numeric tree-kill, not an atomic handle/pidfd\n+104|   tree termination. A process can exit and its PID can be reused after the\n+105|   identity query and before a signal; descendant enumeration/kill retains the\n+106|   same race. Linux start times have clock-tick resolution, so same-tick reuse\n+107|   is indistinguishable; Windows uses creation FILETIME. This scoped guard does\n+108|   not change generic `kill_pid_tree` or other kill sites.\n+109|\n 83|## Consequences\n 84|\n\n 95|","firstChangedLine":81,"op":"update","path":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\docs\\adr\\0041-endpoint-lifecycle-truth.md","oldText":"# ADR-0041: Endpoint lifecycle truth — online classification, terminal normalization, stamp convergence, truthful create\r\n\r\n- Status: accepted (doyle triage 2026-07-17, REGISTRY-LIFECYCLE milestone)\r\n- Source: three hertz reports (2026-07-16, doyle seam-verified same day — emphasys triple,\r\n  rest-normalize, spawn-fresh) + the operator-field deployah stop/run wedge. KNOWN-HAZARDS\r\n  7.45. Kin: ADR-0027 (unbound endpoint state), ADR-0033 (wake-resume via reconcile\r\n  intent), KH 7.27/7.29.\r\n\r\n## Context\r\n\r\nFour proven defect families share one root shape: **endpoint lifecycle state is written by\r\nmultiple non-converging paths, and several of them stamp optimistic state that no\r\nauthority ever verifies or normalizes.**\r\n\r\n1. **Hybrid false-ONLINE (emphasys C1).** `cmd_listen` stamps `status=online` from manifest\r\n   `psyche_init` alone (live_capable) — no persisted-state or hosting-authority check —\r\n   minting `ready_agent`/`controllable=false` hybrid rows born online-authoritative. The\r\n   livehost reconcile skips `state != live_agent` rows AND gates cleanup on\r\n   `controllable=true`, so a dead-PID hybrid survives every restart; `is_perch_alive`\r\n   trusts `status=online` and skips dead-PID rejection — every reader faithfully\r\n   resurrects the lie.\r\n2. **Zombie WAKE_RESUME (rest-normalize).** `rest_state` is intent, distinct from liveness.\r\n   Definitive session death (broker session loss, liveness reap, `cmd_stop`) stamps\r\n   `status=offline` ONLY — never touches `rest_state`/`dormant_since_ms`. A dead session\r\n   with preserved `Active` intent = an outstanding wake order: reconcile offlines it, a\r\n   later pass RESUMES it from the ledger, repeatedly, across generations (perri field:\r\n   repeated `WAKE_RESUME` loops).\r\n3. **Poll-vs-reap relatch (emphasys C3).** `KIND_SESSIONS` snapshots controller truth under\r\n   lock but writes stamps after unlock; an exit-waiter reap in between lets the stale poll\r\n   relatch `controlled=true` on a session that just died.\r\n4. **Untruthful create + contradictory liveness (spawn-fresh + cycle wedge).**\r\n   `endpoint run --create` promises a fresh session but dispatch discards `create`; the\r\n   broker dedups every labeled SpawnReq into `Spawned(existing)` with no disposition — the\r\n   CLI prints success for a spawn that never happened. Meanwhile the ALREADY_LIVE dup-guard\r\n   and the shutdown state machine consult DIFFERENT liveness sources and contradict each\r\n   other on the same zombie (deployah wedge: run says ALREADY_LIVE, list says OFFLINE,\r\n   shutdown says NO_EDGE).\r\n\r\n## Decision\r\n\r\n<!-- [doc->REQ-ENDPOINT-ONLINE-TRUTH] -->\r\n1. **Online is earned, not declared.** A creator may stamp `status=online` only from actual\r\n   persisted state + hosting authority — never from manifest capability alone. Legacy\r\n   hybrid rows self-heal at reconcile, but only after a SUCCESSFUL broker query: a broker\r\n   failure is never interpreted as an empty session set (no mass-offline on a hiccup).\r\n2. **Control cleanup splits from offline classification.** Reconcile clears\r\n   `controlled`/`driven_by`/`viewer_count` for EVERY endpoint absent from session truth —\r\n   regardless of state or controllability — while offline classification keeps its narrow\r\n   gate (live_agent + controllable). A row's classification quirk can never shield stale\r\n   control stamps.\r\n<!-- [doc->REQ-REST-TERMINAL-NORMALIZE] -->\r\n3. **Definitive death normalizes terminally and atomically.** One store-level mutation —\r\n   `status=offline` + `rest_state=suspended` + clear `dormant_since_ms` in the SAME\r\n   info.json write — invoked at every definitive hosted-session-loss point (authoritative\r\n   broker session loss, liveness reap, `cmd_stop`). Explicitly NOT\r\n   `daemon_rest_event(Suspend)` (no edge when effective state is already Suspended — the\r\n   raw Active intent survives), and NOT a reader-side blanket offline⇒suspended (that\r\n   destroys explicit-Wake semantics: wake writes intent first, reconcile consumes it).\r\n   Graceful shutdown keeps its echo-before-teardown; this is terminal normalization for\r\n   non-graceful death.\r\n<!-- [doc->REQ-CONTROL-STAMP-CONVERGENCE] -->\r\n4. **Control stamps converge, validated.** Stamp writes carry session/generation validation\r\n   (or serialize per-endpoint stamp transitions) so a pre-reap snapshot can never overwrite\r\n   a post-reap truth. No fs I/O under global locks (KH 7.12). Every no-session path clears\r\n   all three control fields.\r\n<!-- [doc->REQ-SPAWN-FRESH-TRUTHFUL] -->\r\n5. **Create is truthful at the broker, atomically.** Spawn policies split:\r\n   Fresh/RejectExisting vs ResumeOrReuse. New `KIND_SPAWN_FRESH` wire verb with a TYPED\r\n   conflict outcome (a distinct kind fails loud on an N-1 broker; a serde-defaulted field\r\n   would be silently ignored — wire discipline), sharing the single-flight/PTY spawn body.\r\n   Fresh at AlreadyLive/lost-race returns the conflict, never `Spawned(existing)`. CLI:\r\n   exit 1 + stable `ENDPOINT_CREATE_CONFLICT:<id>:…no session was created`, no attach, no\r\n   state mutation, never kills the live session. Omitted `--resume` keeps the documented\r\n   create-default (fresh-and-conflict, same as explicit `--create`); ensure/attach would be\r\n   a NEW documented mode, never a silent overload. Preflight stays UX-only (cannot close\r\n   TOCTOU).\r\n<!-- [doc->REQ-ENDPOINT-CYCLE-HONEST] -->\r\n6. **One liveness authority for cycle verbs.** The ALREADY_LIVE dup-guard liveness-probes\r\n   the claimed session's client tree before refusing (dead tree ⇒ reap + respawn\r\n   honestly); the shutdown state machine consults the same source, so \"is it live\" has one\r\n   answer (no ALREADY_LIVE/OFFLINE/NO_EDGE three-way contradiction).\r\n\r\n## Consequences\r\n\r\n- A dead endpoint converges to offline+suspended+uncontrolled within one reconcile, from\r\n  every death path, and stays there until an explicit wake or run — no resurrection loops,\r\n  no zombie control latches, no immortal hybrid rows.\r\n- `--create` becomes a contract: success ⇒ a fresh session exists; conflict ⇒ typed, loud,\r\n  side-effect-free. Existing no-dup safety tests remain valid (they codify the dedup body\r\n  this shares).\r\n- New wire surface: `KIND_SPAWN_FRESH` (additive verb). N-1 broker answers unknown-kind ⇒\r\n  CLI reports the loud IPC failure, never a fake Created.\r\n- Explicit-Wake semantics are preserved by construction (intent normalization happens only\r\n  on definitive death observations, never speculatively in readers).\r\n\r\n## Requirements\r\n\r\n`REQ-ENDPOINT-ONLINE-TRUTH`, `REQ-REST-TERMINAL-NORMALIZE`, `REQ-CONTROL-STAMP-CONVERGENCE`,\r\n`REQ-STREAM-LEASE-CLASSES` (mechanism in ADR-0040 decision 6),\r\n`REQ-HAZARD-ENDPOINT-LIFECYCLE` (KH 7.45); W3: `REQ-SPAWN-FRESH-TRUTHFUL`,\r\n`REQ-ENDPOINT-CYCLE-HONEST`.\r\n\r\n<!-- [doc->REQ-HOSTING-AUTHORITY-CONTROLLABLE] -->\r\n## Amendment (RC-RENDER-TRUTH v0.38.1 leg 3, doyle ruling 2026-07-19): one hosting authority — the online-earn authority splits by hosting topology\r\n\r\nPersisted `state` is the durable endpoint TYPE (REQ-EP-6 open type system;\r\n`establish_perch`'s prior-type preserve is INTENTIONAL and stays). The source-definitive\r\nBROKER-PTY hosting authority is `controllable == Some(true)`, NOT `state`.\r\n\r\n**Field root (a coverage gap, not a new hazard family).** An spt-hosted bind OVER a prior\r\n`ready_agent` perch preserves `state = ready_agent` while stamping `controllable = true` +\r\n`online`. Pre-amendment this row was IMMORTAL: `restart_resume_gate` skipped\r\n`state != live_agent` so the orphan never resumed, and the reconcile dead-pid hybrid heal\r\nwas scoped `controllable == Some(false)` so `controllable == true` escaped terminal-offline\r\n— a dead-PID `ready_agent` hybrid projected Active forever (rc's no-session refusal was\r\ntruthful). The online-ness was never the bug; the UNHEALED-ness was.\r\n\r\n**Resolution.** Hosting authority = `controllable`, applied consistently at every seam so\r\nthe three seams agree on what \"hosted\" means:\r\n\r\n1. **`restart_resume_gate` keys on `online + controllable + belts`, no `state` arg.**\r\n   endpoint_survival tables BOTH `live_agent` and `ready_agent` broker-owned rows — both\r\n   RESUME their PTY at daemon start.\r\n2. **The reconcile routes only `non-live_agent && controllable != Some(true)` through the\r\n   PID-model hybrid heal.** A `controllable == Some(true)` row (any state) falls through to\r\n   BROKER-SESSION truth: orphan with ledger/adapter material ⇒ Resume; no session + dead\r\n   custody ⇒ terminal-offline via the atomic normalize. The immortal hybrid is now fully\r\n   managed.\r\n3. **`cmd_bind` earns `online` from the PERSISTED record it just wrote, on\r\n   `controllable == Some(true)` — never the requested arg.** This makes the online signal\r\n   `==` `restart_resume_gate`'s resume predicate (online+controllable) by construction, so\r\n   there is never an online-but-unresumable perch.\r\n\r\n**The online-earn AUTHORITY SPLITS by hosting topology** (both obey the SAME discipline —\r\nearn from persisted truth, never the requested arg — differing only in which persisted\r\ndatum is the authority):\r\n\r\n- **Messaging / `listen`** (no broker PTY) earns `online` on persisted `state == live_agent`\r\n  (ADR-0041 decision 1, `listen_online_gate`, UNCHANGED). This still refuses the\r\n  capability-only phantom it closed — a `controllable == false` row born online off manifest\r\n  capability alone.\r\n- **Broker-PTY / `bind`** earns `online` on persisted `controllable == Some(true)`. This is\r\n  REAL hosted state (the daemon spawned a live session into a broker-owned PTY), so it does\r\n  NOT reopen the capability-only-phantom hole — that hole was `controllable == false`.\r\n\r\n**Psyche hosting stays separately state-gated** (`live_agent` only, at the reconcile\r\npulse-host): a `ready_agent`-preserved bind is online + controllable + PTY-resumable + NO\r\nPsyche — all consistent. `psyche_init` is NOT part of the online predicate; a `live_agent`\r\nbroker PTY with no psyche is still a live resumable session (online is truthful).\r\n\r\nRequirement: `REQ-HOSTING-AUTHORITY-CONTROLLABLE`.\r\n","newText":"# ADR-0041: Endpoint lifecycle truth — online classification, terminal normalization, stamp convergence, truthful create\r\n\r\n- Status: accepted (doyle triage 2026-07-17, REGISTRY-LIFECYCLE milestone)\r\n- Source: three hertz reports (2026-07-16, doyle seam-verified same day — emphasys triple,\r\n  rest-normalize, spawn-fresh) + the operator-field deployah stop/run wedge. KNOWN-HAZARDS\r\n  7.45. Kin: ADR-0027 (unbound endpoint state), ADR-0033 (wake-resume via reconcile\r\n  intent), KH 7.27/7.29.\r\n\r\n## Context\r\n\r\nFour proven defect families share one root shape: **endpoint lifecycle state is written by\r\nmultiple non-converging paths, and several of them stamp optimistic state that no\r\nauthority ever verifies or normalizes.**\r\n\r\n1. **Hybrid false-ONLINE (emphasys C1).** `cmd_listen` stamps `status=online` from manifest\r\n   `psyche_init` alone (live_capable) — no persisted-state or hosting-authority check —\r\n   minting `ready_agent`/`controllable=false` hybrid rows born online-authoritative. The\r\n   livehost reconcile skips `state != live_agent` rows AND gates cleanup on\r\n   `controllable=true`, so a dead-PID hybrid survives every restart; `is_perch_alive`\r\n   trusts `status=online` and skips dead-PID rejection — every reader faithfully\r\n   resurrects the lie.\r\n2. **Zombie WAKE_RESUME (rest-normalize).** `rest_state` is intent, distinct from liveness.\r\n   Definitive session death (broker session loss, liveness reap, `cmd_stop`) stamps\r\n   `status=offline` ONLY — never touches `rest_state`/`dormant_since_ms`. A dead session\r\n   with preserved `Active` intent = an outstanding wake order: reconcile offlines it, a\r\n   later pass RESUMES it from the ledger, repeatedly, across generations (perri field:\r\n   repeated `WAKE_RESUME` loops).\r\n3. **Poll-vs-reap relatch (emphasys C3).** `KIND_SESSIONS` snapshots controller truth under\r\n   lock but writes stamps after unlock; an exit-waiter reap in between lets the stale poll\r\n   relatch `controlled=true` on a session that just died.\r\n4. **Untruthful create + contradictory liveness (spawn-fresh + cycle wedge).**\r\n   `endpoint run --create` promises a fresh session but dispatch discards `create`; the\r\n   broker dedups every labeled SpawnReq into `Spawned(existing)` with no disposition — the\r\n   CLI prints success for a spawn that never happened. Meanwhile the ALREADY_LIVE dup-guard\r\n   and the shutdown state machine consult DIFFERENT liveness sources and contradict each\r\n   other on the same zombie (deployah wedge: run says ALREADY_LIVE, list says OFFLINE,\r\n   shutdown says NO_EDGE).\r\n\r\n## Decision\r\n\r\n<!-- [doc->REQ-ENDPOINT-ONLINE-TRUTH] -->\r\n1. **Online is earned, not declared.** A creator may stamp `status=online` only from actual\r\n   persisted state + hosting authority — never from manifest capability alone. Legacy\r\n   hybrid rows self-heal at reconcile, but only after a SUCCESSFUL broker query: a broker\r\n   failure is never interpreted as an empty session set (no mass-offline on a hiccup).\r\n2. **Control cleanup splits from offline classification.** Reconcile clears\r\n   `controlled`/`driven_by`/`viewer_count` for EVERY endpoint absent from session truth —\r\n   regardless of state or controllability — while offline classification keeps its narrow\r\n   gate (live_agent + controllable). A row's classification quirk can never shield stale\r\n   control stamps.\r\n<!-- [doc->REQ-REST-TERMINAL-NORMALIZE] -->\r\n3. **Definitive death normalizes terminally and atomically.** One store-level mutation —\r\n   `status=offline` + `rest_state=suspended` + clear `dormant_since_ms` in the SAME\r\n   info.json write — invoked at every definitive hosted-session-loss point (authoritative\r\n   broker session loss, liveness reap, `cmd_stop`). Explicitly NOT\r\n   `daemon_rest_event(Suspend)` (no edge when effective state is already Suspended — the\r\n   raw Active intent survives), and NOT a reader-side blanket offline⇒suspended (that\r\n   destroys explicit-Wake semantics: wake writes intent first, reconcile consumes it).\r\n   Graceful shutdown keeps its echo-before-teardown; this is terminal normalization for\r\n   non-graceful death.\r\n<!-- [doc->REQ-CONTROL-STAMP-CONVERGENCE] -->\r\n4. **Control stamps converge, validated.** Stamp writes carry session/generation validation\r\n   (or serialize per-endpoint stamp transitions) so a pre-reap snapshot can never overwrite\r\n   a post-reap truth. No fs I/O under global locks (KH 7.12). Every no-session path clears\r\n   all three control fields.\r\n<!-- [doc->REQ-SPAWN-FRESH-TRUTHFUL] -->\r\n5. **Create is truthful at the broker, atomically.** Spawn policies split:\r\n   Fresh/RejectExisting vs ResumeOrReuse. New `KIND_SPAWN_FRESH` wire verb with a TYPED\r\n   conflict outcome (a distinct kind fails loud on an N-1 broker; a serde-defaulted field\r\n   would be silently ignored — wire discipline), sharing the single-flight/PTY spawn body.\r\n   Fresh at AlreadyLive/lost-race returns the conflict, never `Spawned(existing)`. CLI:\r\n   exit 1 + stable `ENDPOINT_CREATE_CONFLICT:<id>:…no session was created`, no attach, no\r\n   state mutation, never kills the live session. Omitted `--resume` keeps the documented\r\n   create-default (fresh-and-conflict, same as explicit `--create`); ensure/attach would be\r\n   a NEW documented mode, never a silent overload. Preflight stays UX-only (cannot close\r\n   TOCTOU).\r\n<!-- [doc->REQ-ENDPOINT-CYCLE-HONEST] -->\r\n6. **One liveness authority for cycle verbs.** The ALREADY_LIVE dup-guard liveness-probes\r\n   the claimed session's client tree before refusing (dead tree ⇒ reap + respawn\r\n   honestly); the shutdown state machine consults the same source, so \"is it live\" has one\r\n   answer (no ALREADY_LIVE/OFFLINE/NO_EDGE three-way contradiction).\r\n\r\n<!-- [doc->REQ-BROKER-ZOMBIE-IDENTITY] -->\r\n   **Zombie-kill identity guard (releases#285).** Liveness is not permission to\r\n   kill a remembered PID. The broker records the root's OS creation time just\r\n   after PTY spawn, before starting its exit waiter. The child is still owned:\r\n   on Windows its handle is retained; on Unix it has not been reaped, so its\r\n   number cannot yet be recycled. The expected identity is never refreshed at\r\n   reap time. Start time is preferred over image because a launcher can `exec`\r\n   another image without becoming a different process.\r\n\r\n   At the zombie kill boundary, a fresh owned-process death probe permits\r\n   stale-row cleanup for a dead root **without any PID/tree kill**. Otherwise a\r\n   fresh start-time query must match the captured stamp before tree-kill.\r\n   Unknown PID, missing/unreadable identity, or a changed stamp emits\r\n   `SPAWN_ZOMBIE_REAP_DECLINE` and fails the spawn request **before** the forced\r\n   de-table loop. There is no fallback `session.kill`, teardown dispatch, or\r\n   session-resource drop on refusal; the old row remains for its normal exit\r\n   waiter. This deliberately trades automatic recovery of an unverifiable\r\n   live-number row for safety, rather than using cleanup as an indirect kill.\r\n   Fresh-dead cleanup retains the existing snapshot-less Unix liveness fallback.\r\n\r\n   **Limits:** this is a checked numeric tree-kill, not an atomic handle/pidfd\r\n   tree termination. A process can exit and its PID can be reused after the\r\n   identity query and before a signal; descendant enumeration/kill retains the\r\n   same race. Linux start times have clock-tick resolution, so same-tick reuse\r\n   is indistinguishable; Windows uses creation FILETIME. This scoped guard does\r\n   not change generic `kill_pid_tree` or other kill sites.\r\n\r\n## Consequences\r\n\r\n- A dead endpoint converges to offline+suspended+uncontrolled within one reconcile, from\r\n  every death path, and stays there until an explicit wake or run — no resurrection loops,\r\n  no zombie control latches, no immortal hybrid rows.\r\n- `--create` becomes a contract: success ⇒ a fresh session exists; conflict ⇒ typed, loud,\r\n  side-effect-free. Existing no-dup safety tests remain valid (they codify the dedup body\r\n  this shares).\r\n- New wire surface: `KIND_SPAWN_FRESH` (additive verb). N-1 broker answers unknown-kind ⇒\r\n  CLI reports the loud IPC failure, never a fake Created.\r\n- Explicit-Wake semantics are preserved by construction (intent normalization happens only\r\n  on definitive death observations, never speculatively in readers).\r\n\r\n## Requirements\r\n\r\n`REQ-ENDPOINT-ONLINE-TRUTH`, `REQ-REST-TERMINAL-NORMALIZE`, `REQ-CONTROL-STAMP-CONVERGENCE`,\r\n`REQ-STREAM-LEASE-CLASSES` (mechanism in ADR-0040 decision 6),\r\n`REQ-HAZARD-ENDPOINT-LIFECYCLE` (KH 7.45); W3: `REQ-SPAWN-FRESH-TRUTHFUL`,\r\n`REQ-ENDPOINT-CYCLE-HONEST`.\r\n\r\n<!-- [doc->REQ-HOSTING-AUTHORITY-CONTROLLABLE] -->\r\n## Amendment (RC-RENDER-TRUTH v0.38.1 leg 3, doyle ruling 2026-07-19): one hosting authority — the online-earn authority splits by hosting topology\r\n\r\nPersisted `state` is the durable endpoint TYPE (REQ-EP-6 open type system;\r\n`establish_perch`'s prior-type preserve is INTENTIONAL and stays). The source-definitive\r\nBROKER-PTY hosting authority is `controllable == Some(true)`, NOT `state`.\r\n\r\n**Field root (a coverage gap, not a new hazard family).** An spt-hosted bind OVER a prior\r\n`ready_agent` perch preserves `state = ready_agent` while stamping `controllable = true` +\r\n`online`. Pre-amendment this row was IMMORTAL: `restart_resume_gate` skipped\r\n`state != live_agent` so the orphan never resumed, and the reconcile dead-pid hybrid heal\r\nwas scoped `controllable == Some(false)` so `controllable == true` escaped terminal-offline\r\n— a dead-PID `ready_agent` hybrid projected Active forever (rc's no-session refusal was\r\ntruthful). The online-ness was never the bug; the UNHEALED-ness was.\r\n\r\n**Resolution.** Hosting authority = `controllable`, applied consistently at every seam so\r\nthe three seams agree on what \"hosted\" means:\r\n\r\n1. **`restart_resume_gate` keys on `online + controllable + belts`, no `state` arg.**\r\n   endpoint_survival tables BOTH `live_agent` and `ready_agent` broker-owned rows — both\r\n   RESUME their PTY at daemon start.\r\n2. **The reconcile routes only `non-live_agent && controllable != Some(true)` through the\r\n   PID-model hybrid heal.** A `controllable == Some(true)` row (any state) falls through to\r\n   BROKER-SESSION truth: orphan with ledger/adapter material ⇒ Resume; no session + dead\r\n   custody ⇒ terminal-offline via the atomic normalize. The immortal hybrid is now fully\r\n   managed.\r\n3. **`cmd_bind` earns `online` from the PERSISTED record it just wrote, on\r\n   `controllable == Some(true)` — never the requested arg.** This makes the online signal\r\n   `==` `restart_resume_gate`'s resume predicate (online+controllable) by construction, so\r\n   there is never an online-but-unresumable perch.\r\n\r\n**The online-earn AUTHORITY SPLITS by hosting topology** (both obey the SAME discipline —\r\nearn from persisted truth, never the requested arg — differing only in which persisted\r\ndatum is the authority):\r\n\r\n- **Messaging / `listen`** (no broker PTY) earns `online` on persisted `state == live_agent`\r\n  (ADR-0041 decision 1, `listen_online_gate`, UNCHANGED). This still refuses the\r\n  capability-only phantom it closed — a `controllable == false` row born online off manifest\r\n  capability alone.\r\n- **Broker-PTY / `bind`** earns `online` on persisted `controllable == Some(true)`. This is\r\n  REAL hosted state (the daemon spawned a live session into a broker-owned PTY), so it does\r\n  NOT reopen the capability-only-phantom hole — that hole was `controllable == false`.\r\n\r\n**Psyche hosting stays separately state-gated** (`live_agent` only, at the reconcile\r\npulse-host): a `ready_agent`-preserved bind is online + controllable + PTY-resumable + NO\r\nPsyche — all consistent. `psyche_init` is NOT part of the online predicate; a `live_agent`\r\nbroker PTY with no psyche is still a live resumable session (online is truthful).\r\n\r\nRequirement: `REQ-HOSTING-AUTHORITY-CONTROLLABLE`.\r\n"},"isError":false,"timestamp":1788998263094}}
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{"type":"message","id":"448cc9b2","parentId":"e372cbce","timestamp":"2026-09-09T23:57:53.388Z","message":{"role":"toolResult","toolCallId":"call_gVhNvvTLAKg3LrW2dpYTWXld|ctc_0ea187522e3f208f016aa1f278a90887d2901830b61da75e93","toolName":"edit","content":[{"type":"text","text":"[.worktrees/285-zombie/docs/KNOWN-HAZARDS.md#2F19]\n842:### 7.51 Process custody is an identity, never a bare PID — a recycled pid must read NOT OURS  `[REQ-HAZARD-RESUME-CUSTODY-ABA]`\n\n845:- **Failure (paid-for, hertz v0.39.4 field RCA 2026-07-22, doyle code-verified same day):** `resume.pid` custody is a bare PID consumed as `read_resume_pid(..).is_some_and(is_process_alive)` at BOTH the livehost restart gate and the liveness-reconcile DEFER. A dead wake-resume spawn's pid, recycled by the OS onto an unrelated process (field proof: `resume.pid=29456` resolved to a random `cmd.exe`), reads as \"a resume is in flight\" indefinitely: reconcile defers every tick, the row stays online-authoritative, and the endpoint is FALSE-ONLINE with no self-repair — every reader faithfully resurrects the lie. The ABA problem, in process custody.\n846:- **Invariant:** a custody record that gates lifecycle decisions stores an **identity pair (pid + process creation time)**, written atomically at spawn-mint; consumers test the PAIR, and a mismatch means NOT OURS — the discovering reader DELETES the record and proceeds as if no custody existed (self-heal, not error). Bind and reap clear custody atomically with their own outcome. Creation time comes from the process snapshot, never a retained handle (7.50); no snapshot ⇒ \"unproven\" ⇒ defer ONE tick, never a manufactured verdict.\n847:- **spt-core mapping:** `spt-daemon/src/livehost.rs` (restart gate + reconcile DEFER custody reads); `spt-store` resume-custody record + `proc.rs` snapshot identity; regression = the recycled-pid rig (custody pair mismatching a live impostor pid → record deleted, reconcile proceeds, row goes honest).\n848:<!-- [doc->REQ-BROKER-ZOMBIE-IDENTITY] -->\n849:- **Zombie-reap kill boundary (releases#285):** `broker.rs` captures the PTY root's creation time before starting its exit waiter; a later zombie verdict alone never licenses killing that remembered number. Fresh death permits cleanup without a signal; otherwise the live start time must match. `SPAWN_ZOMBIE_REAP_DECLINE` means neither tree-kill nor forced de-table runs, including any resource-drop fallback. The regression injects a different birth at the same PID and observes refusal with no kill. This is not atomic with the numeric tree-kill; the check-to-signal race and Linux same-tick identity collision remain (ADR-0041 decision 6).\n850:- **Source:** DAEMON-LIFECYCLE W1 (ADR-0047 decision 1; hertz field RCA bug 1).\n851:\n\n[.worktrees/285-zombie/CHANGELOG.md#9724]\n3:All notable **user-facing** changes to `spt` — what a person running the CLI\n\n11:flag, or page that no existing user can encounter without opting into it.\n12:\n13:## [Unreleased]\n14:\n…\n19:  be verified, the run request reports the refusal and leaves the process alone.\n20:\n21:## [0.68.0] - 2026-09-08\n22:\n\n115:"}],"details":{"diff":" 842|### 7.51 Process custody is an identity, never a bare PID — a recycled pid must read NOT OURS  `[REQ-HAZARD-RESUME-CUSTODY-ABA]`\n\n 845|- **Failure (paid-for, hertz v0.39.4 field RCA 2026-07-22, doyle code-verified same day):** `resume.pid` custody is a bare PID consumed as `read_resume_pid(..).is_some_and(is_process_alive)` at BOTH the livehost restart gate and the liveness-reconcile DEFER. A dead wake-resume spawn's pid, recycled by the OS onto an unrelated process (field proof: `resume.pid=29456` resolved to a random `cmd.exe`), reads as \"a resume is in flight\" indefinitely: reconcile defers every tick, the row stays online-authoritative, and the endpoint is FALSE-ONLINE with no self-repair — every reader faithfully resurrects the lie. The ABA problem, in process custody.\n 846|- **Invariant:** a custody record that gates lifecycle decisions stores an **identity pair (pid + process creation time)**, written atomically at spawn-mint; consumers test the PAIR, and a mismatch means NOT OURS — the discovering reader DELETES the record and proceeds as if no custody existed (self-heal, not error). Bind and reap clear custody atomically with their own outcome. Creation time comes from the process snapshot, never a retained handle (7.50); no snapshot ⇒ \"unproven\" ⇒ defer ONE tick, never a manufactured verdict.\n 847|- **spt-core mapping:** `spt-daemon/src/livehost.rs` (restart gate + reconcile DEFER custody reads); `spt-store` resume-custody record + `proc.rs` snapshot identity; regression = the recycled-pid rig (custody pair mismatching a live impostor pid → record deleted, reconcile proceeds, row goes honest).\n+848|<!-- [doc->REQ-BROKER-ZOMBIE-IDENTITY] -->\n+849|- **Zombie-reap kill boundary (releases#285):** `broker.rs` captures the PTY root's creation time before starting its exit waiter; a later zombie verdict alone never licenses killing that remembered number. Fresh death permits cleanup without a signal; otherwise the live start time must match. `SPAWN_ZOMBIE_REAP_DECLINE` means neither tree-kill nor forced de-table runs, including any resource-drop fallback. The regression injects a different birth at the same PID and observes refusal with no kill. This is not atomic with the numeric tree-kill; the check-to-signal race and Linux same-tick identity collision remain (ADR-0041 decision 6).\n 848|- **Source:** DAEMON-LIFECYCLE W1 (ADR-0047 decision 1; hertz field RCA bug 1).\n 849|\n 3|All notable **user-facing** changes to `spt` — what a person running the CLI\n\n 11|flag, or page that no existing user can encounter without opting into it.\n 12|\n+13|## [Unreleased]\n+14|\n+15|### Fixed\n+16|\n+17|- Recovering a stale hosted session no longer kills a remembered process ID\n+18|  without checking the process's identity. If that identity changed or cannot\n+19|  be verified, the run request reports the refusal and leaves the process alone.\n+20|\n 13|## [0.68.0] - 2026-09-08\n 14|\n\n 107|","firstChangedLine":847,"perFileResults":[{"path":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\docs\\KNOWN-HAZARDS.md","diff":" 842|### 7.51 Process custody is an identity, never a bare PID — a recycled pid must read NOT OURS  `[REQ-HAZARD-RESUME-CUSTODY-ABA]`\n\n 845|- **Failure (paid-for, hertz v0.39.4 field RCA 2026-07-22, doyle code-verified same day):** `resume.pid` custody is a bare PID consumed as `read_resume_pid(..).is_some_and(is_process_alive)` at BOTH the livehost restart gate and the liveness-reconcile DEFER. A dead wake-resume spawn's pid, recycled by the OS onto an unrelated process (field proof: `resume.pid=29456` resolved to a random `cmd.exe`), reads as \"a resume is in flight\" indefinitely: reconcile defers every tick, the row stays online-authoritative, and the endpoint is FALSE-ONLINE with no self-repair — every reader faithfully resurrects the lie. The ABA problem, in process custody.\n 846|- **Invariant:** a custody record that gates lifecycle decisions stores an **identity pair (pid + process creation time)**, written atomically at spawn-mint; consumers test the PAIR, and a mismatch means NOT OURS — the discovering reader DELETES the record and proceeds as if no custody existed (self-heal, not error). Bind and reap clear custody atomically with their own outcome. Creation time comes from the process snapshot, never a retained handle (7.50); no snapshot ⇒ \"unproven\" ⇒ defer ONE tick, never a manufactured verdict.\n 847|- **spt-core mapping:** `spt-daemon/src/livehost.rs` (restart gate + reconcile DEFER custody reads); `spt-store` resume-custody record + `proc.rs` snapshot identity; regression = the recycled-pid rig (custody pair mismatching a live impostor pid → record deleted, reconcile proceeds, row goes honest).\n+848|<!-- [doc->REQ-BROKER-ZOMBIE-IDENTITY] -->\n+849|- **Zombie-reap kill boundary (releases#285):** `broker.rs` captures the PTY root's creation time before starting its exit waiter; a later zombie verdict alone never licenses killing that remembered number. Fresh death permits cleanup without a signal; otherwise the live start time must match. `SPAWN_ZOMBIE_REAP_DECLINE` means neither tree-kill nor forced de-table runs, including any resource-drop fallback. The regression injects a different birth at the same PID and observes refusal with no kill. This is not atomic with the numeric tree-kill; the check-to-signal race and Linux same-tick identity collision remain (ADR-0041 decision 6).\n 848|- **Source:** DAEMON-LIFECYCLE W1 (ADR-0047 decision 1; hertz field RCA bug 1).\n 849|","firstChangedLine":847,"op":"update","snapshotsPruned":true},{"path":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\CHANGELOG.md","diff":" 3|All notable **user-facing** changes to `spt` — what a person running the CLI\n\n 11|flag, or page that no existing user can encounter without opting into it.\n 12|\n+13|## [Unreleased]\n+14|\n+15|### Fixed\n+16|\n+17|- Recovering a stale hosted session no longer kills a remembered process ID\n+18|  without checking the process's identity. If that identity changed or cannot\n+19|  be verified, the run request reports the refusal and leaves the process alone.\n+20|\n 13|## [0.68.0] - 2026-09-08\n 14|\n\n 107|","firstChangedLine":13,"op":"update","snapshotsPruned":true}]},"isError":false,"timestamp":1788998273387}}
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The valve\n*429:/// (`SPT_TEST_EXIT_WAITER_SUPPRESSED`) SUPPRESSES the waiter — it fabricates no\n 430:/// row and fakes no verdict, so what follows is the genuine state or nothing.\n 431:///\n 432:/// The session is deliberately NOT adapter-labeled (empty adapter), so\n...\n 440:#[test]\n*441:fn windows_run_never_refuses_over_a_dead_root_the_broker_holds_a_handle_to() {\n 442:    let _home = init_home();\n 443:    std::env::set_var(\"SPT_SPAWN_CLIENT_GRACE_MS\", \"0\");\n 444:    // FAULT INJECTION: no exit waiter for sessions spawned under this rig, so a\n 445:    // killed root leaves the record standing — the field zombie shape.\n*446:    std::env::set_var(\"SPT_TEST_EXIT_WAITER_SUPPRESSED\", \"1\");\n 447:    let id = format!(\"handlecorpse-{}\", std::process::id());\n 448:    let _perch = perch_for(&id);\n 449:    let name = unique_name();\n...\n 506:    spt_store::proc::kill_pid_tree(root);\n*507:    std::env::remove_var(\"SPT_TEST_EXIT_WAITER_SUPPRESSED\");\n 508:    std::env::remove_var(\"SPT_SPAWN_CLIENT_GRACE_MS\");\n 509:}\n\n## spt/tests/\n### rc_attach_truth.rs#F877\n 387:#[test]\n*388:fn zombie_claim_refuses_never_attaches() {\n 389:    let _serial = E2E_LOCK.lock().unwrap_or_else(|e| e.into_inner());\n 390:    let home = tempfile::tempdir().unwrap();\n 391:    std::env::set_var(\"SPT_HOME\", home.path());"}],"details":{"scopePath":".worktrees/285-zombie/crates/spt-daemon/tests, .worktrees/285-zombie/crates/spt/tests/rc_attach_truth.rs","searchPath":"C:\\Users\\decid\\Documents\\projects\\spt-core\\.worktrees\\285-zombie\\crates","cwd":"C:\\Users\\decid\\Documents\\projects\\spt-core","matchCount":7,"fileCount":3,"files":[".worktrees/285-zombie/crates/spt-daemon/tests/inject_control_wedge.rs",".worktrees/285-zombie/crates/spt-daemon/tests/spawn_truth.rs",".worktrees/285-zombie/crates/spt/tests/rc_attach_truth.rs"],"fileMatches":[{"path":".worktrees/285-zombie/crates/spt-daemon/tests/inject_control_wedge.rs","count":1},{"path":".worktrees/285-zombie/crates/spt-daemon/tests/spawn_truth.rs","count":5},{"path":".worktrees/285-zombie/crates/spt/tests/rc_attach_truth.rs","count":1}],"truncated":false,"displayContent":"# .worktrees/285-zombie/crates/\n\n## spt-daemon/tests/\n### inject_control_wedge.rs#9247\n 1659│#[test]\n*1660│fn g4_translation_child_is_reaped_no_zombie_after_session_down() {\n 1661│    let _home = init_wedge_home();\n 1662│    let dir = tempfile::tempdir().expect(\"tempdir\");\n 1663│    std::env::set_var(\"XLATE_FIXTURE_MODE\", \"choreo\");\n### spawn_truth.rs#DED9\n 338│#[test]\n*339│fn zombie_client_tree_is_reaped_and_run_succeeds_honestly() {\n 340│    let _home = init_home();\n 341│    // Deterministic verdict: no boot grace in the rig.\n 342│    std::env::set_var(\"SPT_SPAWN_CLIENT_GRACE_MS\", \"0\");\n    │...\n 428│/// the arm survived this long being fed an unsound oracle. The valve\n*429│/// (`SPT_TEST_EXIT_WAITER_SUPPRESSED`) SUPPRESSES the waiter — it fabricates no\n 430│/// row and fakes no verdict, so what follows is the genuine state or nothing.\n 431│///\n 432│/// The session is deliberately NOT adapter-labeled (empty adapter), so\n    │...\n 440│#[test]\n*441│fn windows_run_never_refuses_over_a_dead_root_the_broker_holds_a_handle_to() {\n 442│    let _home = init_home();\n 443│    std::env::set_var(\"SPT_SPAWN_CLIENT_GRACE_MS\", \"0\");\n 444│    // FAULT INJECTION: no exit waiter for sessions spawned under this rig, so a\n 445│    // killed root leaves the record standing — the field zombie shape.\n*446│    std::env::set_var(\"SPT_TEST_EXIT_WAITER_SUPPRESSED\", \"1\");\n 447│    let id = format!(\"handlecorpse-{}\", std::process::id());\n 448│    let _perch = perch_for(&id);\n 449│    let name = unique_name();\n    │...\n 506│    spt_store::proc::kill_pid_tree(root);\n*507│    std::env::remove_var(\"SPT_TEST_EXIT_WAITER_SUPPRESSED\");\n 508│    std::env::remove_var(\"SPT_SPAWN_CLIENT_GRACE_MS\");\n 509│}\n\n## spt/tests/\n### rc_attach_truth.rs#F877\n 387│#[test]\n*388│fn zombie_claim_refuses_never_attaches() {\n 389│    let _serial = E2E_LOCK.lock().unwrap_or_else(|e| e.into_inner());\n 390│    let home = tempfile::tempdir().unwrap();\n 391│    std::env::set_var(\"SPT_HOME\", home.path());"},"isError":false,"timestamp":1788998280578}}
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