- Set CONTROL_SERVER_URI to ws://10.42.0.1:8765 (wlan0 IP)
- Better default for remote connections from desktop
- Add comments for localhost and custom IP options
- Update test_control_server.py to use python-dotenv
- Read CONTROL_SERVER_URI from environment variable
- Create .env.example with configuration examples
- Test scripts now respect .env configuration for WebSocket URI