Walk the main driveline graph at race start and populate
TrackGeometry with center, left/right edge, width, and
distance_from_start for each DriveNode quad. Includes bounding
box and start position/heading for 2D minimap rendering.
- telemetry.pb.h include: use bare filename (build dir already in include path)
- getMinorRaceMode() -> getMinorMode()
- getDistanceFromStart() -> getDistanceFromStart(true)