- Add BookmarkState enum with unread, favorite, and archived states
- Extend API layer with query parameter filtering for bookmark states
- Update Bookmark domain model to match complete API response schema
- Implement BookmarkListView with card-based UI and preview images
- Add BookmarkListViewModel with state management and error handling
- Enhance BookmarkDetailView with meta information and WebView rendering
- Create comprehensive DTO mapping for all bookmark fields
- Add TabView with state-based bookmark filtering
- Implement date formatting utilities for ISO8601 timestamps
- Add progress indicators and pull-to-refresh functionality
