Master hub for building Uber/Careem-style ride-hailing & on-demand mobility super-apps AND for professional maps design + integration. Use for rider/driver apps, real-time driver-rider matching & dispatch, live GPS tracking, ETA/routing/turn-by-turn navigation, geocoding/places/addressing, surge & dynamic pricing, trip lifecycle + fares/payouts, super-app (rides+delivery+pay) architecture, and map rendering (Mapbox GL/MapLibre/Google Maps) with custom styling, markers, polylines, camera, clustering & performance. Bundles 8 specialized skills (in skills/<name>/GUIDE.md).