{"status":"RoadAware MVP backend running","version":"0.6","features":["moving/moving closest-point-of-approach","stationary-driver conflict detection","derived low-speed GPS motion","GPS + accelerometer + gyroscope + compass sensor fusion","compass-assisted relative direction","adaptive time-or-distance transmission profiles","GPS and fused confidence","two-hit confirmation","escalating warning stages","same-stage repeat cooldown","CSV test logging","anonymous encounter lifecycle telemetry","post-warning trajectory-change analysis","administrator utilisation summary","precise UTC encounter timestamps and geolocation","15-second pre/post-warning encounter trace","external crash-record validation status"]}