- Migration 003; windowed host+type+rule correlation on ingest - GET /problems filters; GET /problems/{id} with event timeline; ack/resolve 409 guard - Tests and SAC_PROBLEM_CORRELATION_WINDOW_MINUTES config Co-authored-by: Cursor <cursoragent@cursor.com>
Track agent.heartbeat and report.daily.ssh per host; show online/stale on Hosts UI; dashboard counters and SAC_HEARTBEAT_STALE_MINUTES config.
Send Telegram alerts for high/critical events and new Problems. Configurable via TELEGRAM_* env vars; ingest never fails on send errors.
- FastAPI: POST /api/v1/events, GET /health, JSON Schema validation - PostgreSQL models, Alembic migration, bootstrap API key - deploy/docker-compose.yml, .env.example - docs/install-ubuntu-24.04.md, updated work-plan (agents first)