add setting to auto clear unassigned tabs after duration

app/lib/features/geckoview/features/browser/presentation/widgets/browser_modules/browser_view.dart

@@ -47,6 +47,7 @@ import 'package:weblibre/features/geckoview/features/browser/domain/services/pro
 import 'package:weblibre/features/geckoview/features/history/domain/repositories/history.dart';
 import 'package:weblibre/features/geckoview/features/preferences/data/repositories/preference_observer.dart';
 import 'package:weblibre/features/geckoview/features/tabs/domain/repositories/container.dart';
+import 'package:weblibre/features/geckoview/features/tabs/domain/repositories/tab.dart';
 import 'package:weblibre/features/share_intent/domain/entities/shared_content.dart';
 import 'package:weblibre/features/user/data/models/general_settings.dart';
 import 'package:weblibre/features/user/domain/repositories/cache.dart';
@@ -117,6 +118,16 @@ class _BrowserViewState extends ConsumerState<BrowserView>
                     DateTime.now().subtract(settings.historyAutoCleanInterval),
                   );
             }
+
+            if (settings.unassignedTabsAutoCleanInterval > Duration.zero) {
+              await ref
+                  .read(tabDataRepositoryProvider.notifier)
+                  .deleteUnassignedTabsOlderThan(
+                    DateTime.now().subtract(
+                      settings.unassignedTabsAutoCleanInterval,
+                    ),
+                  );
+            }
           });
 
       // Clear data for containers with clearDataOnExit enabled

app/lib/features/geckoview/features/browser/presentation/widgets/tab_view/tab_preview.dart

@@ -33,7 +33,6 @@ import 'package:weblibre/features/geckoview/features/find_in_page/domain/entitie
 import 'package:weblibre/features/geckoview/features/find_in_page/presentation/controllers/find_in_page.dart';
 import 'package:weblibre/features/geckoview/features/tabs/domain/repositories/tab.dart';
 import 'package:weblibre/presentation/hooks/menu_controller.dart';
-import 'package:weblibre/presentation/widgets/non_focusable.dart';
 import 'package:weblibre/presentation/widgets/uri_breadcrumb.dart';
 import 'package:weblibre/utils/ui_helper.dart' as ui_helper;
 

app/lib/features/geckoview/features/tabs/data/database/daos/tab.dart

@@ -387,4 +387,15 @@ class TabDao extends DatabaseAccessor<TabDatabase> with $TabDaoMixin {
       );
     }
   }
+
+  Future<List<String>> getUnassignedTabsOlderThan(DateTime threshold) {
+    final query = selectOnly(db.tab)
+      ..addColumns([db.tab.id])
+      ..where(
+        db.tab.containerId.isNull() &
+            db.tab.timestamp.isSmallerThanValue(threshold),
+      );
+
+    return query.map((row) => row.read(db.tab.id)!).get();
+  }
 }

app/lib/features/geckoview/features/tabs/domain/repositories/tab.dart

@@ -210,6 +210,19 @@ class TabDataRepository extends _$TabDataRepository {
     );
   }
 
+  Future<int> deleteUnassignedTabsOlderThan(DateTime threshold) async {
+    final tabIds = await ref
+        .read(tabDatabaseProvider)
+        .tabDao
+        .getUnassignedTabsOlderThan(threshold);
+
+    if (tabIds.isNotEmpty) {
+      await ref.read(tabRepositoryProvider.notifier).closeTabs(tabIds);
+    }
+
+    return tabIds.length;
+  }
+
   @override
   void build() {}
 }

app/lib/features/geckoview/features/tabs/domain/repositories/tab.g.dart

@@ -41,7 +41,7 @@ final class TabDataRepositoryProvider
   }
 }
 
-String _$tabDataRepositoryHash() => r'a01c38e94aad2145bd26aa0b8ff0bb1bcceb22f5';
+String _$tabDataRepositoryHash() => r'c3632e0a2d91811103b329659cb0c6d778b14cea';
 
 abstract class _$TabDataRepository extends $Notifier<void> {
   void build();