fix: Remove LEFT-to-sidebar from hubs

lib/screens/discover_screen.dart

@@ -179,12 +179,6 @@ class _DiscoverScreenState extends State<DiscoverScreen>
     return false;
   }
 
-  /// Navigate to the sidebar (called when user presses left at leftmost item)
-  void _navigateToSidebar() {
-    final focusScope = MainScreenFocusScope.of(context);
-    focusScope?.focusSidebar();
-  }
-
   @override
   void initState() {
     super.initState();
@@ -1040,7 +1034,6 @@ class _DiscoverScreenState extends State<DiscoverScreen>
                         onRemoveFromContinueWatching: _refreshContinueWatching,
                         isInContinueWatching: true,
                         onVerticalNavigation: (isUp) => _handleVerticalNavigation(0, isUp),
-                        onNavigateLeft: _navigateToSidebar,
                         onNavigateUp: () {
                           _heroFocusNode.requestFocus();
                           _scrollController.animateTo(0, duration: const Duration(milliseconds: 200), curve: Curves.easeOut);
@@ -1059,7 +1052,6 @@ class _DiscoverScreenState extends State<DiscoverScreen>
                         onRefresh: updateItem,
                         // Hub index is i + 1 if continue watching exists, otherwise i
                         onVerticalNavigation: (isUp) => _handleVerticalNavigation(_onDeck.isNotEmpty ? i + 1 : i, isUp),
-                        onNavigateLeft: _navigateToSidebar,
                         onNavigateUp: (i == 0 && _onDeck.isEmpty) ? () {
                           _heroFocusNode.requestFocus();
                           _scrollController.animateTo(0, duration: const Duration(milliseconds: 200), curve: Curves.easeOut);

lib/screens/libraries/tabs/library_recommended_tab.dart

@@ -7,7 +7,6 @@ import '../../../mixins/item_updatable.dart';
 import '../../../models/plex_hub.dart';
 import '../../../models/plex_metadata.dart';
 import '../../../widgets/hub_section.dart';
-import '../../main_screen.dart';
 import 'base_library_tab.dart';
 
 /// Recommended tab for library screen
@@ -136,12 +135,6 @@ class _LibraryRecommendedTabState extends BaseLibraryTabState<PlexHub, LibraryRe
     return false;
   }
 
-  /// Navigate to the sidebar (called when user presses left at leftmost item)
-  void _navigateToSidebar() {
-    final focusScope = MainScreenFocusScope.of(context);
-    focusScope?.focusSidebar();
-  }
-
   /// Focus the first item in the first hub (for tab activation)
   @override
   void focusFirstItem() {
@@ -170,7 +163,6 @@ class _LibraryRecommendedTabState extends BaseLibraryTabState<PlexHub, LibraryRe
           onRemoveFromContinueWatching: isContinueWatching ? _refreshContinueWatching : null,
           onVerticalNavigation: (isUp) => _handleVerticalNavigation(index, isUp),
           onBack: widget.onBack,
-          onNavigateLeft: _navigateToSidebar,
           onNavigateUp: index == 0 ? widget.onBack : null,
         );
       },

lib/widgets/hub_section.dart

@@ -39,10 +39,6 @@ class HubSection extends StatefulWidget {
   /// Used to navigate focus back to the tab bar.
   final VoidCallback? onBack;
 
-  /// Called when the user presses LEFT while at the leftmost item.
-  /// Used to navigate focus to the side navigation rail.
-  final VoidCallback? onNavigateLeft;
-
   /// Called when the user presses UP while at the topmost item (first hub).
   /// Used to navigate focus to the tab bar.
   final VoidCallback? onNavigateUp;
@@ -57,7 +53,6 @@ class HubSection extends StatefulWidget {
     this.showServerName = false,
     this.onVerticalNavigation,
     this.onBack,
-    this.onNavigateLeft,
     this.onNavigateUp,
   });
 
@@ -182,10 +177,8 @@ class HubSectionState extends State<HubSection> {
         HubFocusMemory.setForHub(widget.hub.hubKey, _focusedIndex);
         _scrollToIndex(_focusedIndex);
         setState(() {});
-      } else if (widget.onNavigateLeft != null) {
-        // At leftmost item - navigate to sidebar
-        widget.onNavigateLeft!();
       }
+      // At leftmost item: do nothing, but consume event to prevent focus escape
       return KeyEventResult.handled;
     }