Logs high-value CAN bus data every frame in update_canfd():
- car: vEgo, aEgo, steering angle, gear, brake/gas, blinkers, standstill
- cruise: enabled, speed, ACCMode, VSetDis, aReq, distance setting, lead dist
- speed_limit: all 3 CLUSTER_SPEED_LIMIT values, school zone, chimes,
calculated speed limit, metric flag
- buttons: cruise buttons, main button, LKAS, main_enabled state
Data flows through the diff-based telemetry logger (only changed values
written to CSV) when TelemetryEnabled param is set.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
