- Expand health endpoint to check DB, Docker, and NPM connectivity (FUNC-M4)
- Add project_id, stage_id, offset query params to deploys endpoint (FUNC-M5, FUNC-M6)
- Add notification_url field to Stage model for per-project overrides (FUNC-M2)
- Add NPM Ping method for health checking
- Sanitize all internal error messages in API handlers (SEC-M4)
- Add audit trail events for admin actions (FUNC-M3)
- Add EventLog event type to event bus
- Classify Docker errors into categories (socket_not_found, connection_refused,
permission_denied, timeout, tls_error) with platform-specific hints
- Enrich GET /api/health with structured diagnostics (category, hints, platform)
- Expandable hints panel in sidebar when Docker is disconnected
- "Retry now" button for immediate re-check
- Collapsible raw error details for advanced users
- GET /api/health endpoint returning Docker connectivity status
- Sidebar shows Docker connection dot (green=connected, red=disconnected)
- Stale scanner returns store-only results when Docker is unavailable
- Polls health every 30s