- _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>
- apt dependencies (RPI.GPIO somehow needs to be installed from apt to work & re-establish uv venv with --system-site-packages
- GPIO 20 triggers mode switching (can link to a photodiode or just switch)
- parses null-terminated TSV frames per PROTOCOL.md
- periodic status log: fps, voltage, RPM, gear, roll
- roll axis inverted for motorcycle frame alignment
- removed stub mode, relies on reconnect loop
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
