Voice announcements run entirely in the Android foreground service
(works with screen locked). Configurable via web UI before starting
GPS: time-based or distance-based intervals, selectable metrics
(total time, distance, avg/split/current pace), language (en/de).
Also syncs workout pause/resume state to the native service — pausing
the workout timer now freezes the Android-side elapsed time, distance
accumulation, and TTS triggers.
Includes TTS engine detection with install prompt if none found, and
Android 11+ package visibility query for TTS service discovery.
The Gradle wrapper (gradlew, gradlew.bat, gradle/wrapper/) was
gitignored, causing the Docker APK build to fail with
"`gradlew` not found" since COPY doesn't include ignored files.
- Notification title: "Bocken — Tracking GPS for active Workout"
- Live updates with elapsed time, distance, and pace (min/km)
- Request POST_NOTIFICATIONS permission at runtime (Android 13+)
- Page titles: "- Fitness" → "- Bocken" (missed in prior commit)
Wraps the web app in a Tauri Android shell that provides native GPS
via the geolocation plugin. Includes foreground service for background
tracking, live map display, GPS data storage in workout sessions,
and route visualization in workout history.
