feat: update NAS configuration and enhance UI components for better user experience

src/services/DatabaseService.js

@@ -384,6 +384,17 @@ const DatabaseService = {
     }
   },
 
+  deleteMediaItem: async (mediaId) => {
+    try {
+      if (!(await DatabaseService.ensureDb())) return false;
+      await db.runAsync('DELETE FROM media WHERE id = ?', [mediaId]);
+      return true;
+    } catch (error) {
+      logError('Delete Media Item', error);
+      return false;
+    }
+  },
+
   // ─── Settings ──────────────────────────────────────────────
 
   getAutoBackupServices: async (userId) => {