- Replace Traccar summary API dependency with local Haversine distance calculation - Calculate mileage from GpsLocationHistory table (sum consecutive positions) - Filter out GPS jitter (<0.01mi), gaps (>10min), and unrealistic speeds (>100mph) - Calculate trips, driving time, average/top speed from position history - Add detailed stats logging for debugging Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>