- Request POST_NOTIFICATIONS permission at runtime in MainActivity (primary fix
for notifications never appearing on Android 13+ phones including Android 16)
- Register all 4 notification channels eagerly in SyncFlowApp.onCreate() instead
of lazily inside workers
- Add FOREGROUND_SERVICE_SHORT_SERVICE permission + shortService foreground type
for Android 16 foreground service compatibility
- Add global activity Log tab (new tab 2 in main nav) showing all sync events
across all pairs, grouped by date with pair name, event icon, and file detail
- Fix FileWatchService ON_CHANGE detection: ContentObserver on SAF tree URIs only
fires for SAF-API writes, not raw filesystem writes. Now resolves primary:/*
tree URIs to /storage/emulated/0/* and uses FileObserver for reliable detection
- Bump version to 1.0.21 (build 22)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>