- Introduced a new PreviewWorkerManager to handle both anime and episode preview caching.
- Implemented PreviewCacheWorker and EpisodeCacheWorker for specialized background tasks.
- Added context management for preview operations to ensure proper cleanup.
- Enhanced error handling and logging during image downloads and info text generation.
- Removed redundant caching logic and consolidated functionality into worker classes.
- Updated session management to clean up preview workers on session end.
- Removed unused utility functions and streamlined the codebase.
