{
  "title": "Fix repeated runner cleanup after a submitted parent is reaped",
  "reason": "Submit-transition descendant regression fails: repeated stop_process_tree after parent reap raises EPERM at os.killpg; launch OSError handling then attempts invalid escalation from review state.",
  "reproduction": "python3 -m unittest discover -s tests/tooling -p test_automation.py -v; test_submit_transition_stops_source_writing_descendant errors. In-memory trace: first cleanup returns parent -15; repeated cleanup raises PermissionError at runner.py:340. Evidence: state/evidence/S00-012-auto-ci-cd-28868645424b.md",
  "role": "ci-cd",
  "reviewer_role": "qa",
  "scope": [
    "scripts/runner.py",
    "tests/tooling/test_automation.py"
  ],
  "outcome": "Reliable repeated lifecycle cleanup after submit with a reaped parent and SIGTERM-ignoring descendant, preserving actual process-tree termination and valid workflow state.",
  "steps": [
    "Read S00-012 evidence and preserved descendant regressions.",
    "Reproduce repeated cleanup EPERM in the supplied execution harness without launching a model.",
    "Correct only the repeated-cleanup lifecycle failure; retain fail-closed handling for inaccessible live descendants and terminal/deadline monitoring.",
    "Run descendant, delayed stdin and existing lifecycle checks plus make check; record evidence and submit."
  ],
  "acceptance": [
    "Submit-transition descendant regression completes without invalid escalation or delayed source writes.",
    "Timeout and terminal-transition paths terminate descendants, including SIGTERM-ignoring children.",
    "Repeated cleanup does not hide a failure to terminate a live process; stdin delivery and prompt budgets remain intact."
  ],
  "checks": [
    "Both preserved descendant regressions.",
    "Delayed-reader UTF-8/EOF, timeout, transition, scope and fresh-session runner checks.",
    "make check"
  ],
  "depends_on": [],
  "requires_user_input": false
}