In Hermes release builds, useEffect captures closure values from the first
render. If instanceUrl or token were empty at that moment (before SQLite reads
complete), no fetch ran and map/graphs never loaded. Adding them to the
dependency array ensures the effect re-runs once the values are available;
guards on existing geojson/timeseries state prevent double-fetching.
Also add @maplibre/maplibre-react-native to the Expo plugins array so that
expo prebuild applies the library's required Gradle property configuration to
the Android project.
- Add /api/activity/{id}/geojson and /api/activity/{id}/timeseries endpoints
(bearer-token-gated, falls back from _merged to raw activities dir)
- Rewrite activity detail screen with MapLibreGL v11 API (Map, Camera,
GeoJSONSource, Layer) and react-native-svg area chart with gradient fill
- On-demand fetch for remote activities that have no local geojson/timeseries
- Add react-native-svg dependency; requires dev build (npx expo run:android)