some issues fixed

test/overview_favourite_test.dart

@@ -1,7 +1,6 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:myapp/models/overview_favourite.dart';
 import 'package:myapp/models/transaction_meta.dart';
-import 'package:myapp/services/pb_sync_service.dart';
 import 'package:myapp/widgets/label_filter_dialog.dart';
 
 void main() {
@@ -16,6 +15,8 @@ void main() {
       flow: TxFlowFilter.expense,
       barStyle: LabelChartBarStyle.stacked,
       invertExpensePerspective: false,
+      updatedAt: 100,
+      deleted: false,
     );
 
     final restored = OverviewFavourite.fromJson(fav.toJson());
@@ -27,35 +28,53 @@ void main() {
     expect(restored.labelIds, ['groceries', 'custom_ah']);
     expect(restored.flow, TxFlowFilter.expense);
     expect(restored.barStyle, LabelChartBarStyle.stacked);
+    expect(restored.updatedAt, 100);
+    expect(restored.deleted, isFalse);
   });
 
-  test('mergeOverviewFavourites unions by id with local wins', () {
+  test('mergeOverviewFavourites unions by id with last-write-wins', () {
     const local = OverviewFavourite(
       id: 'fav_1',
       name: 'Local name',
       display: true,
+      updatedAt: 200,
     );
     const remoteOnly = OverviewFavourite(
       id: 'fav_2',
       name: 'Remote only',
       display: false,
       metric: OverviewMetricMode.labels,
+      updatedAt: 50,
     );
-    const remoteConflict = OverviewFavourite(
+    const remoteConflictOlder = OverviewFavourite(
       id: 'fav_1',
       name: 'Remote name',
       display: false,
+      updatedAt: 100,
+    );
+    const remoteConflictNewer = OverviewFavourite(
+      id: 'fav_3',
+      name: 'Remote newer',
+      display: true,
+      updatedAt: 300,
+    );
+    const localOlder = OverviewFavourite(
+      id: 'fav_3',
+      name: 'Local older',
+      display: false,
+      updatedAt: 10,
     );
 
     final merged = mergeOverviewFavourites(
-      [local],
-      [remoteConflict, remoteOnly],
+      [local, localOlder],
+      [remoteConflictOlder, remoteOnly, remoteConflictNewer],
     );
 
-    expect(merged.length, 2);
+    expect(merged.length, 3);
     final byId = {for (final f in merged) f.id: f};
     expect(byId['fav_1']!.name, 'Local name');
     expect(byId['fav_1']!.display, isTrue);
     expect(byId['fav_2']!.name, 'Remote only');
+    expect(byId['fav_3']!.name, 'Remote newer');
   });
 }