Ilyas Hallak fdc6b3a6b6 Add offline reading UI and app integration (Phase 4 & 5)
Phase 4 - Settings UI:
- Add OfflineSettingsViewModel with reactive bindings
- Add OfflineSettingsView with toggle, slider, sync button
- Integrate into SettingsContainerView
- Extend factories with offline dependencies
- Add debug button to simulate offline mode (DEBUG only)

Phase 5 - App Integration:
- AppViewModel: Auto-sync on app start with 4h check
- BookmarksViewModel: Offline fallback loading cached articles
- BookmarksView: Offline banner when network unavailable
- BookmarkDetailViewModel: Cache-first article loading
- Fix concurrency issues with CurrentValueSubject

Features:
- Background sync on app start (non-blocking)
- Cached bookmarks shown when offline
- Instant article loading from cache
- Visual offline indicator banner
- Full offline reading experience

All features compile and build successfully.
2025-11-18 17:44:43 +01:00
..
2025-11-08 23:15:17 +01:00