- 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
- BookmarkDetail: All user-facing texts and error messages in BookmarkDetailView, BookmarkDetailViewModel, BookmarkLabelsView, and BookmarkLabelsViewModel translated to English.
- Bookmarks: All UI strings, swipe actions, and error messages in BookmarkCardView, BookmarksView, BookmarksViewModel, and related enums translated to English.
- Labels: All UI and error messages in LabelsView and LabelsViewModel translated to English.
- Menu: All sidebar/tab names, navigation titles, and queue texts in BookmarkState, PhoneTabView, PlayerQueueResumeButton, SidebarTab updated to English.
- Settings: All section headers, toggle labels, button texts, and error/success messages in FontSettingsView, FontSettingsViewModel, SettingsContainerView, SettingsGeneralView, SettingsGeneralViewModel, SettingsServerView, SettingsServerViewModel translated to English.
- SpeechPlayer: All player UI texts, progress, and queue messages in SpeechPlayerView translated to English.
This commit unifies the app language to English for all user-facing areas.
