{
  "status": "DONE",
  "root_cause": "Windows exposes crash/NTSTATUS termination values through ExitStatus::code() as negative i32 values; clamp(0, 255) converted every negative crash into exit 0 success.",
  "changes": [
    "tools/omp-spt/src/launch_omp.rs: preserve ordinary 0..=255 child exits; map unavailable, negative, and >255 termination values to stable failure code 1.",
    "tools/omp-spt/src/launch_omp.rs: add Windows boundary coverage for 0, 1, 254, 255, 256, i32::MAX, None, -1, and access-violation NTSTATUS 0xC0000005.",
    "tools/omp-spt/tests/launch_omp.rs: add Windows integration test whose validated fake OMP abruptly self-terminates; launch-omp now returns exit 1 rather than success."
  ],
  "verification": [
    "cargo test --manifest-path tools/omp-spt/Cargo.toml --bin omp-spt launch_omp::tests: 11 passed, 0 failed.",
    "cargo test --manifest-path tools/omp-spt/Cargo.toml --test launch_omp: 8 passed, 0 failed, including normal exit propagation and real abrupt child termination.",
    "rustfmt --edition 2021 --check tools/omp-spt/src/launch_omp.rs tools/omp-spt/tests/launch_omp.rs: passed."
  ],
  "note": "Whole-crate cargo fmt --check remains red on unrelated pre-existing formatting in other Rust modules; the two touched files pass rustfmt."
}