- Add FeedParser.kt with automatic feed type detection
- Add RSSParser.kt for RSS 2.0 feeds
- Add AtomParser.kt for Atom 1.0 feeds
- Add comprehensive unit tests for both parsers
- Support iTunes namespace and enclosures
- Fix pre-existing compilation issues in the codebase
- Update build.gradle.kts with proper dependencies and AGP 8.5.0
- Add FeedItem, Feed, FeedSubscription models with Moshi JSON support
- Add SearchResult, SearchFilters models with sealed classes for enums
- Add NotificationPreferences, ReadingPreferences models
- Add Room Entity annotations for database readiness
- Add TypeConverters for Date and List<String> serialization
- Add Parcelize for passing models between Activities/Fragments
- Write comprehensive unit tests for serialization/deserialization
- Write tests for copy(), equals/hashCode, and toString functionality
