feat(library and playback): Support for serverside channel plugins and hls streaming

src-tauri/src/storage/schema.rs

@@ -22,6 +22,7 @@ pub const MIGRATIONS: &[(&str, &str)] = &[
     ("015_device_id", MIGRATION_015),
     ("016_autoplay_max_episodes", MIGRATION_016),
     ("017_downloads_resume_url", MIGRATION_017),
+    ("018_items_is_folder", MIGRATION_018),
 ];
 
 /// Initial schema migration
@@ -680,3 +681,15 @@ const MIGRATION_017: &str = r#"
 ALTER TABLE downloads ADD COLUMN stream_url TEXT;
 ALTER TABLE downloads ADD COLUMN target_dir TEXT;
 "#;
+
+/// Migration to record whether a cached item is a folder/container vs a playable
+/// leaf. Needed so channel items (which can be either) route to the player or to
+/// a browse list correctly. Existing cached rows predate the column and have an
+/// unknown folder flag, so we force a refresh by clearing their `synced_at`,
+/// causing the hybrid repository to re-fetch them from the server on next browse.
+const MIGRATION_018: &str = r#"
+ALTER TABLE items ADD COLUMN is_folder INTEGER DEFAULT 0;
+
+-- Force re-fetch of all cached items so is_folder is populated from the server.
+UPDATE items SET synced_at = NULL;
+"#;