improved tab & topic handling

app/lib/features/topics/domain/repositories/tab.dart

@@ -1,5 +1,7 @@
+import 'package:drift/drift.dart';
 import 'package:lensai/features/topics/data/database/database.dart';
 import 'package:lensai/features/topics/data/providers.dart';
+import 'package:lensai/features/web_view/domain/entities/abstract/tab.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 
 part 'tab.g.dart';
@@ -9,7 +11,49 @@ class TabRepository extends _$TabRepository {
   late TabDatabase _db;
 
   @override
-  void build() {
+  Stream<List<TabData>> build() {
     _db = ref.watch(tabDatabaseProvider);
+    return _db.tabDao.watchTabs();
+  }
+
+  Future<void> updateTab(
+    String id, {
+    Value<Uri> url = const Value.absent(),
+    Value<String?> title = const Value.absent(),
+    Value<String?> topicId = const Value.absent(),
+    Value<Uint8List?> screenshot = const Value.absent(),
+  }) {
+    return _db.tabDao.updateTab(
+      id,
+      timestamp: DateTime.now(),
+      url: url,
+      title: title,
+      topicId: topicId,
+      screenshot: screenshot,
+    );
+  }
+
+  Future<void> deleteTab(String id) {
+    return _db.tabDao.deleteTab(id);
+  }
+}
+
+@Riverpod()
+class TopicTabRepository extends _$TopicTabRepository {
+  late TabDatabase _db;
+
+  @override
+  Stream<List<String>> build(String? topicId) {
+    _db = ref.watch(tabDatabaseProvider);
+    return _db.tabDao.watchTopicTabs(topicId);
+  }
+
+  Future<void> addTab(ITab tab) {
+    assert(tab.topicId == topicId);
+    return _db.tabDao.upsertTab(tab, DateTime.now());
+  }
+
+  Future<void> closeAllTabs() {
+    return _db.tabDao.deleteTopicTabs(topicId);
   }
 }