fix(tv): reach app bar actions via up from tabs

close #1202

lib/mixins/tab_navigation_mixin.dart

@@ -88,12 +88,17 @@ mixin TabNavigationMixin<T extends StatefulWidget> on State<T>, TickerProviderSt
   }
 
   /// Shared tab chip builder — eliminates duplication between screens.
+  ///
+  /// [onNavigateToActions] moves focus into the app bar's right-aligned
+  /// [FocusableActionBar]. It fires both on RIGHT from the last tab and on UP
+  /// from any tab, so every screen with that layout gets a consistent remote
+  /// path to its app bar actions.
   Widget buildTabChip(
     String label,
     int index, {
     required VoidCallback onSelectWhenActive,
     required VoidCallback onNavigateDown,
-    VoidCallback? onNavigateRightFromLast,
+    VoidCallback? onNavigateToActions,
   }) {
     final isSelected = tabController.index == index;
     return FocusableTabChip(
@@ -128,8 +133,9 @@ mixin TabNavigationMixin<T extends StatefulWidget> on State<T>, TickerProviderSt
               });
               getTabChipFocusNode(newIndex).requestFocus();
             }
-          : onNavigateRightFromLast,
+          : onNavigateToActions,
       onNavigateDown: onNavigateDown,
+      onNavigateUp: onNavigateToActions,
       onBack: onTabBarBack,
     );
   }

lib/screens/downloads/downloads_screen.dart

@@ -14,7 +14,6 @@ import '../../mixins/refreshable.dart';
 import '../../utils/grid_size_calculator.dart';
 import '../../utils/platform_detector.dart';
 import '../../widgets/desktop_app_bar.dart';
-import '../../widgets/focusable_tab_chip.dart';
 import '../../widgets/focusable_media_card.dart';
 import '../../widgets/media_grid_delegate.dart';
 import '../../widgets/download_tree_view.dart';
@@ -87,45 +86,12 @@ class DownloadsScreenState extends State<DownloadsScreen>
   }
 
   Widget _buildTabChip(String label, int index) {
-    final isSelected = tabController.index == index;
-
-    return FocusableTabChip(
-      label: label,
-      isSelected: isSelected,
-      focusNode: getTabChipFocusNode(index),
-      onSelect: () {
-        if (isSelected) {
-          // Already selected - navigate to tab content
-          _focusCurrentTab();
-        } else {
-          // Switch to this tab
-          setState(() {
-            tabController.index = index;
-          });
-        }
-      },
-      onNavigateLeft: index > 0
-          ? () {
-              final newIndex = index - 1;
-              setState(() {
-                suppressAutoFocus = true;
-                tabController.index = newIndex;
-              });
-              getTabChipFocusNode(newIndex).requestFocus();
-            }
-          : onTabBarBack,
-      onNavigateRight: index < tabCount - 1
-          ? () {
-              final newIndex = index + 1;
-              setState(() {
-                suppressAutoFocus = true;
-                tabController.index = newIndex;
-              });
-              getTabChipFocusNode(newIndex).requestFocus();
-            }
-          : () => _actionBarKey.currentState?.requestFocusOnFirst(),
+    return buildTabChip(
+      label,
+      index,
+      onSelectWhenActive: _focusCurrentTab,
       onNavigateDown: _focusCurrentTab,
-      onBack: onTabBarBack,
+      onNavigateToActions: () => _actionBarKey.currentState?.requestFocusOnFirst(),
     );
   }
 

lib/screens/libraries/libraries_screen.dart

@@ -923,7 +923,7 @@ class _LibrariesScreenState extends State<LibrariesScreen>
               i,
               onSelectWhenActive: _focusCurrentTab,
               onNavigateDown: _focusCurrentTabFromTabBar,
-              onNavigateRightFromLast: () => _actionBarKey.currentState?.requestFocusOnFirst(),
+              onNavigateToActions: () => _actionBarKey.currentState?.requestFocusOnFirst(),
             ),
           ],
         ],
@@ -1181,7 +1181,7 @@ class _LibrariesScreenState extends State<LibrariesScreen>
                             i,
                             onSelectWhenActive: _focusCurrentTab,
                             onNavigateDown: _focusCurrentTabFromTabBar,
-                            onNavigateRightFromLast: () => _actionBarKey.currentState?.requestFocusOnFirst(),
+                            onNavigateToActions: () => _actionBarKey.currentState?.requestFocusOnFirst(),
                           ),
                         ],
                       ],

lib/screens/livetv/live_tv_screen.dart

@@ -535,7 +535,7 @@ class _LiveTvScreenState extends State<LiveTvScreen>
           i,
           onSelectWhenActive: _focusCurrentTab,
           onNavigateDown: _focusCurrentTab,
-          onNavigateRightFromLast: () => _actionBarKey.currentState?.requestFocusOnFirst(),
+          onNavigateToActions: () => _actionBarKey.currentState?.requestFocusOnFirst(),
         ),
       ],
     ];

lib/widgets/focusable_tab_chip.dart

@@ -31,6 +31,9 @@ class FocusableTabChip extends StatefulWidget {
   /// Called when the user presses DOWN from this chip.
   final VoidCallback? onNavigateDown;
 
+  /// Called when the user presses UP from this chip.
+  final VoidCallback? onNavigateUp;
+
   /// Called when the user presses BACK from this chip.
   final VoidCallback? onBack;
 
@@ -50,6 +53,7 @@ class FocusableTabChip extends StatefulWidget {
     this.onNavigateLeft,
     this.onNavigateRight,
     this.onNavigateDown,
+    this.onNavigateUp,
     this.onBack,
     this.onLongPress,
     this.topImage,
@@ -94,6 +98,7 @@ class _FocusableTabChipState extends State<FocusableTabChip> with FocusableChipS
         onNavigateLeft: widget.onNavigateLeft,
         onNavigateRight: widget.onNavigateRight,
         onNavigateDown: widget.onNavigateDown,
+        onNavigateUp: widget.onNavigateUp,
         onBack: widget.onBack,
       ),
     );