feat(domain): add library types, LibrarySyncAdapter, ILibraryRepository, IAppSettingsRepository; extend MediaItem with thumbnail_url and collection_id

k-tv-backend/infra/src/jellyfin/mapping.rs

@@ -31,5 +31,7 @@ pub(super) fn map_jellyfin_item(item: JellyfinItem) -> Option<MediaItem> {
         series_name: item.series_name,
         season_number: item.parent_index_number,
         episode_number: item.index_number,
+        thumbnail_url: None,
+        collection_id: None,
     })
 }

k-tv-backend/infra/src/local_files/provider.rs

@@ -51,6 +51,8 @@ fn to_media_item(id: MediaItemId, item: &LocalFileItem) -> MediaItem {
         series_name: None,
         season_number: None,
         episode_number: None,
+        thumbnail_url: None,
+        collection_id: None,
     }
 }