Add timmy_healthcheck that produces a fast status summary:
- CI pipeline status (pass/fail/unknown) via Gitea API
- P0/P1 critical issues count and details
- Test flakiness rate from cycle retrospective data
- Token economy temperature indicator
Usage:
python3 timmy_automations/daily_run/health_snapshot.py
timmy healthcheck
API:
GET /health/snapshot - JSON health snapshot
Features:
- Runs in < 5 seconds for quick pre-work checks
- Can be invoked standalone or as part of Daily Run
- Graceful degradation when services unavailable
- JSON and verbose output modes
Fixes#710