- Replace ObservableObject with @Observable macro
- Inject UseCaseFactory instead of individual use cases
- Use factory.makeCheckServerReachabilityUseCase() on demand
- Use factory.makeLogoutUseCase() for 401 handling
- Move server check from init to onAppResume() in AppViewModel
- Add scenePhase observer in readeckApp
- Check only when app becomes active (.active phase)
- Respects 30s cache - won't call API if recently checked
- Replace ServerConnectivity with CheckServerReachabilityUseCase
- Add InfoApiClient for /api/info endpoint
- Implement ServerInfoRepository with 30s cache TTL and 5s rate limiting
- Update ShareBookmarkViewModel to use ShareExtensionServerCheck manager
- Add server reachability check in AppViewModel on app start
- Update OfflineSyncManager to use new UseCase
- Extend SimpleAPI with checkServerReachability for Share Extension
- Add AppViewModel to manage app-level state and handle 401 responses
- Implement automatic logout when API returns 401 Unauthorized
- Add persistent logout state using existing hasFinishedSetup flag
- Move NavigationStack outside TabView to enable automatic TabBar hiding
- Update API classes to send UnauthorizedAPIResponse notifications
- TabBar now hides automatically when navigating to detail views