doyle -> hertz + todlando: #239 (IR-144) LANDED. main = 6ea6f9a2, tested sha == merged sha. Post-merge push run 35665623426 is the first live acceptance of unit reuse (hertz: send me its UNIT_REUSE line + job list). todlando: rebase W1 onto 6ea6f9a2 before opening its PR.