fix(cleanup): preserve original error context when recovering stale executions (#286) - #324
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…xecutions (#286) The cleanup service now queries the agent's log buffer for original error context before marking executions as failed. This preserves diagnostic info like expired tokens, OOM errors, and crash details instead of replacing them with generic "Stale execution" messages. Changes: - Add /api/executions/{id}/last-error endpoint to agent server - Add ProcessRegistry.get_last_error() to scan log buffer for errors - Update _recover_execution() to fetch and combine error context - Sanitize error messages to prevent credential leakage - Truncate combined messages to 2000 chars to prevent DB bloat Closes #286 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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PR #324 landed — cleanup service now preserves original error context by fetching from agent log buffer before marking executions failed. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
/api/executions/{id}/last-errorendpoint to agent server that extracts error context from log bufferChanges
docker/base-image/agent_server/routers/chat.py- New endpointdocker/base-image/agent_server/services/process_registry.py-get_last_error()methodsrc/backend/services/cleanup_service.py-_get_execution_error()and updated_recover_execution()tests/test_watchdog_unit.py- 9 new unit testsdocs/memory/feature-flows/cleanup-service.md- Updated documentationTest Plan
pytest tests/test_watchdog_unit.py -v(27 tests)Closes #286
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