Features added:
- Created SSE (Server-Sent Events) endpoint at /api/supervisor/events
- Polls supervisor every 2 seconds for state changes
- Sends process-update events when state changes detected
- Sends heartbeat events to keep connection alive
- Includes error handling with error events
- Created useEventSource hook for managing SSE connections
- Automatic reconnection with exponential backoff
- Configurable max reconnection attempts (default 10)
- Connection status tracking (connecting, connected, disconnected, error)
- Clean event listener management with proper cleanup
- Heartbeat monitoring for connection health
- Created ConnectionStatus component
- Visual status indicator with icons (Wifi, WifiOff, Loader, AlertCircle)
- Color-coded states (green=connected, yellow=connecting, red=error)
- Shows reconnection attempt count
- Manual reconnect button when disconnected/error
- Integrated real-time updates into dashboard and processes pages
- Auto-refresh process data when state changes occur
- Connection status indicator in page headers
- No manual refresh needed for live updates
- Implemented proper cleanup on unmount
- EventSource properly closed
- Reconnection timeouts cleared
- No memory leaks
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
