feat: implement multi-provider support in media library

- Introduced IProviderRegistry to manage multiple media providers.
- Updated AppState to use provider_registry instead of a single media_provider.
- Refactored library routes to support provider-specific queries for collections, series, genres, and items.
- Enhanced ProgrammingBlock to include provider_id for algorithmic and manual content types.
- Modified frontend components to allow selection of providers and updated API calls to include provider parameters.
- Adjusted hooks and types to accommodate provider-specific functionality.

k-tv-backend/infra/src/lib.rs

@@ -17,6 +17,7 @@ pub mod auth;
 pub mod db;
 pub mod factory;
 pub mod jellyfin;
+pub mod provider_registry;
 mod channel_repository;
 mod schedule_repository;
 mod user_repository;
@@ -26,6 +27,7 @@ pub mod local_files;
 
 // Re-export for convenience
 pub use db::run_migrations;
+pub use provider_registry::ProviderRegistry;
 
 #[cfg(feature = "sqlite")]
 pub use user_repository::SqliteUserRepository;