- Add Flask-SocketIO backend with gevent for real-time communication
- Create chat-style console UI showing only user's command responses
- WebSocket commands tracked separately from HTTP API (ws_ prefix)
- Console accessible from main menu as fullscreen modal
- Command history navigation with arrow keys
- Auto-reconnection on disconnect
- Update service worker cache for offline support
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>