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Test 927835cb0e feat(T1.3): implement activity timeout tuning automation
- Add internal/tuning package with intelligent timeout analysis
- Implement TimeoutAnalyzer for tracking activity execution metrics
- Calculate percentile-based timeout recommendations (P95, P99)
- Generate confidence scores based on sample size and failure rate
- Implement TimeoutLessonsStore for persistent lesson tracking
- Store lessons in per-task JSONL files with effectiveness tracking
- Generate TimeoutTuningSignal objects for planner integration
- Generate human-readable lesson format for planner context
- Support three-tier priority signaling (high/medium/low)
- Analyze multiple activities concurrently

Analysis Features:
- Track duration, success/failure, timestamps for each execution
- Identify undertuned activities (P99 exceeds timeout)
- Detect overtuned activities (timeout > 2x P99)
- Calculate confidence scores (40% sample data + 60% reliability)
- Generate recommendations with reasoning

Lesson Management:
- Persist lessons per task in JSONL format
- Support lesson effectiveness tracking
- Format lessons for planner input
- Enable feedback loop for timeout optimization

Test Coverage:
- 14 analyzer tests (metrics, analysis, persistence)
- 22 lessons tests (storage, signals, formatting)
- 36 total tuning tests, all passing
- Edge cases: empty metrics, all failures, multiple activities

Key Design:
- P99 + 20% buffer for safe timeout values
- Weighted confidence scoring for reliable recommendations
- Separation: Analyzer (metrics), Lessons (storage), Signals (integration)
- Thread-safe analyzer with RWMutex
- No external dependencies added

Closes T1.3
2026-08-23 16:47:31 -07:00

1.8 KiB
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Task Board — Milestone T1: Production Hardening

Submilestone: T1 (Error recovery, observability, metrics, reliability)

ID Scope Status Branch Verification
T1.1 Workflow error recovery: retry policies, deadletter handling, graceful shutdown [x] task/T1.1 Simulate orchestrator crash mid-cycle, resume without data loss
T1.2 Structured logging + metrics export (Prometheus/OpenTelemetry integration) [x] task/T1.2 Metrics visible in homelab Grafana, logs queryable in Loki
T1.3 Activity timeout tuning automation: learn from historical failures, recommend overrides [x] task/T1.3 Planner reads lessons file, suggests update-tuning signal based on patterns
T1.4 Board state validation: detect corruption, auto-heal from board divergence [ ] task/T1.4 Corrupt board file recovered without manual intervention
T1.5 Workflow pause/resume with state snapshot: serialize mid-cycle state to persistent store [ ] task/T1.5 Pause signal, restart pod, resume signal → workflow continues from exact point
T1.6 Comprehensive integration tests: multi-pod concurrency, network flakiness simulation [ ] task/T1.6 Concurrent orchestrator instances on shared repo pass e2e without conflicts
T1.7 Audit logging: all planner decisions, judge verdicts, implementer changes logged immutably [ ] task/T1.7 Audit log persists across workflow restarts, queryable by task/timestamp
T1.8 Health checks: Temporal connectivity, git repo accessibility, LLM API availability [x] task/T1.8 Periodic health probes, liveness/readiness endpoints for K8s

Submission Criteria

All T1.1T1.8 marked [x] → submilestone complete → squash-merge task/T1.* to main.