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EXTERNAL_CLAIM_TIMEOUT_SECONDS was defined in config but never enforced. If an external executor crashes after claiming a task, the task stays RUNNING forever, blocking its wave and project. Now _tick() calls _recover_stale_external_claims() each cycle to reset timed-out claims back to PENDING with retry_count incremented and an SSE event pushed. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
EXTERNAL_CLAIM_TIMEOUT_SECONDSwas defined in config but never enforced — crashed external executors left tasks stuck RUNNING forever_recover_stale_external_claims()to the executor tick loop: resets timed-out external claims to PENDING, increments retry_count, pushes SSE eventTest plan
python -m ruff check— cleanpython -m pytest tests/unit/test_stale_claims.py— 4 passedpython -m pytest tests/ -m "not slow"— 783 passed, 0 failedGenerated by Claude Code · Claude Opus 4.6