- _GPS_DEBUG flag for development without hardware
- stub mode: realistic mock data with occasional signal loss
- satellites field in backend and UI data models
- periodic status logging
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- WhiskeyMark widget shows roll/pitch as horizon line
- ArduinoData model includes IMU euler angles
- startup waits for Arduino via /health endpoint
- config_service exposes backendUrl
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- colour theme implemented. ThemeService based global switching for future light detection triggers
- test flipflop service for various fun
- navigator widget class with state switching
