- Add protocols for all UseCases and implement them in their respective classes
- Add DefaultUseCaseFactory and MockUseCaseFactory for dependency injection
- Implement all mock UseCases with dummy data
- Start migration of view models and views to protocol-based UseCase injection (not all migrated yet)
- Refactor previews and some initializers for easier testing
- Move SectionHeader to Components, update server settings UI text
- Add sample article.html for mock content
- 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
