feat(plex): improve video content filtering and directory parsing

lib/models/plex_hub.dart

@@ -30,11 +30,18 @@ class PlexHub {
     final metadataList = <PlexMetadata>[];
 
     // Helper function to parse entries from a JSON list
-    void parseEntries(List? entries) {
+    void parseEntries(List? entries, {bool isDirectory = false}) {
       if (entries == null) return;
       for (final item in entries) {
         try {
-          metadataList.add(PlexMetadata.fromJson(item));
+          if (isDirectory && item is Map && !item.containsKey('type')) {
+            // Directory items often represent shows but might miss the type field
+            // Default to 'show' if it looks like a show (has leafCount or childCount)
+            // or 'folder' as a safe default
+            final String type = (item.containsKey('leafCount') || item.containsKey('childCount')) ? 'show' : 'folder';
+            item['type'] = type;
+          }
+          metadataList.add(PlexMetadata.fromJson(item as Map<String, dynamic>));
         } catch (e) {
           // Skip items that fail to parse
         }
@@ -43,7 +50,7 @@ class PlexHub {
 
     // Hubs can contain either Metadata or Directory entries
     parseEntries(json['Metadata'] as List?);
-    parseEntries(json['Directory'] as List?);
+    parseEntries(json['Directory'] as List?, isDirectory: true);
 
     return PlexHub(
       hubKey: json['key'] as String? ?? '',

lib/services/plex_client.dart

@@ -1213,11 +1213,9 @@ class PlexClient {
             final hub = PlexHub.fromJson(hubJson);
             // Only include hubs that have items and are movie/show content
             if (hub.items.isNotEmpty) {
-              // Filter out non-video content types and tag with server info
+              // Filter to only video content (movies, shows, seasons, episodes) and tag with server info
               final videoItems = hub.items
-                  .where((item) {
-                    return item.isMovie || item.isShow || item.isEpisode;
-                  })
+                  .where((item) => item.isVideoContent)
                   .map((item) => item.copyWith(serverId: serverId, serverName: serverName))
                   .toList();
 
@@ -1267,9 +1265,9 @@ class PlexClient {
             final hub = PlexHub.fromJson(hubJson);
             if (hub.items.isEmpty) continue;
 
-            // Filter to only video content (movies, shows, episodes) and tag with server info
+            // Filter to only video content (movies, shows, seasons, episodes) and tag with server info
             final videoItems = hub.items
-                .where((item) => item.isMovie || item.isShow || item.isEpisode)
+                .where((item) => item.isVideoContent)
                 .map((item) => item.copyWith(serverId: serverId, serverName: serverName))
                 .toList();
 
@@ -1305,9 +1303,9 @@ class PlexClient {
   Future<List<PlexMetadata>> getHubContent(String hubKey) async {
     return _wrapListApiCall<PlexMetadata>(() => _dio.get(hubKey), (response) {
       final allItems = _extractMetadataList(response);
-      // Filter out non-video content types
+      // Filter to only video content (movies, shows, seasons, episodes)
       return allItems.where((item) {
-        return item.isMovie || item.isShow;
+        return item.isVideoContent;
       }).toList();
     }, 'Failed to get hub content');
   }