some issues fixed

lib/models/home_filter_widget.dart

@@ -94,6 +94,8 @@ class HomeFilterWidget {
     this.showAmountIn = true,
     this.showAmountOut = true,
     this.showCount = true,
+    this.updatedAt = 0,
+    this.deleted = false,
   });
 
   final String id;
@@ -129,6 +131,12 @@ class HomeFilterWidget {
   final bool showAmountOut;
   final bool showCount;
 
+  /// Epoch ms; used for last-write-wins sync across devices.
+  final int updatedAt;
+
+  /// Soft-delete so removals propagate via sync instead of being recreated.
+  final bool deleted;
+
   IconData get icon => HomeWidgetIcons.iconFor(iconId);
 
   TransactionFilterSelection get filter => TransactionFilterSelection(
@@ -161,6 +169,9 @@ class HomeFilterWidget {
     bool? showAmountIn,
     bool? showAmountOut,
     bool? showCount,
+    int? updatedAt,
+    bool? deleted,
+    bool touchUpdatedAt = false,
   }) {
     return HomeFilterWidget(
       id: id ?? this.id,
@@ -183,6 +194,10 @@ class HomeFilterWidget {
       showAmountIn: showAmountIn ?? this.showAmountIn,
       showAmountOut: showAmountOut ?? this.showAmountOut,
       showCount: showCount ?? this.showCount,
+      updatedAt: touchUpdatedAt
+          ? DateTime.now().millisecondsSinceEpoch
+          : (updatedAt ?? this.updatedAt),
+      deleted: deleted ?? this.deleted,
     );
   }
 
@@ -208,6 +223,7 @@ class HomeFilterWidget {
       showAmountIn: showIn,
       showAmountOut: showOut,
       showCount: true,
+      updatedAt: DateTime.now().millisecondsSinceEpoch,
     );
   }
 
@@ -236,6 +252,8 @@ class HomeFilterWidget {
         'showAmountIn': showAmountIn,
         'showAmountOut': showAmountOut,
         'showCount': showCount,
+        'updatedAt': updatedAt,
+        'deleted': deleted,
       };
 
   factory HomeFilterWidget.fromJson(Map<String, dynamic> json) {
@@ -302,20 +320,30 @@ class HomeFilterWidget {
       showAmountIn: json['showAmountIn'] as bool? ?? true,
       showAmountOut: json['showAmountOut'] as bool? ?? true,
       showCount: json['showCount'] as bool? ?? true,
+      updatedAt: asInt(json['updatedAt'] ?? json['updated_at'], 0),
+      deleted: json['deleted'] as bool? ?? false,
     );
   }
 }
 
-/// Union home widgets by id (local wins on conflict).
+/// Union home widgets by id with last-write-wins on [HomeFilterWidget.updatedAt].
 List<HomeFilterWidget> mergeHomeFilterWidgets(
   List<HomeFilterWidget> local,
   List<HomeFilterWidget> remote,
 ) {
-  final byId = <String, HomeFilterWidget>{
-    for (final w in remote) w.id: w,
-  };
+  final byId = <String, HomeFilterWidget>{};
+  void put(HomeFilterWidget w) {
+    final existing = byId[w.id];
+    if (existing == null || w.updatedAt >= existing.updatedAt) {
+      byId[w.id] = w;
+    }
+  }
+
+  for (final w in remote) {
+    put(w);
+  }
   for (final w in local) {
-    byId[w.id] = w;
+    put(w);
   }
   final merged = byId.values.toList()
     ..sort((a, b) => a.sortOrder.compareTo(b.sortOrder));

lib/models/overview_favourite.dart

@@ -16,6 +16,8 @@ class OverviewFavourite {
     this.flow = TxFlowFilter.expense,
     this.barStyle = LabelChartBarStyle.parallel,
     this.invertExpensePerspective = false,
+    this.updatedAt = 0,
+    this.deleted = false,
   });
 
   final String id;
@@ -34,6 +36,12 @@ class OverviewFavourite {
   final LabelChartBarStyle barStyle;
   final bool invertExpensePerspective;
 
+  /// Epoch ms; used for last-write-wins sync across devices.
+  final int updatedAt;
+
+  /// Soft-delete so removals propagate via sync instead of being recreated.
+  final bool deleted;
+
   OverviewFavourite copyWith({
     String? id,
     String? name,
@@ -44,6 +52,9 @@ class OverviewFavourite {
     TxFlowFilter? flow,
     LabelChartBarStyle? barStyle,
     bool? invertExpensePerspective,
+    int? updatedAt,
+    bool? deleted,
+    bool touchUpdatedAt = false,
   }) {
     return OverviewFavourite(
       id: id ?? this.id,
@@ -56,6 +67,10 @@ class OverviewFavourite {
       barStyle: barStyle ?? this.barStyle,
       invertExpensePerspective:
           invertExpensePerspective ?? this.invertExpensePerspective,
+      updatedAt: touchUpdatedAt
+          ? DateTime.now().millisecondsSinceEpoch
+          : (updatedAt ?? this.updatedAt),
+      deleted: deleted ?? this.deleted,
     );
   }
 
@@ -69,9 +84,18 @@ class OverviewFavourite {
         'flow': flow.name,
         'barStyle': barStyle.name,
         'invertExpensePerspective': invertExpensePerspective,
+        'updatedAt': updatedAt,
+        'deleted': deleted,
       };
 
   factory OverviewFavourite.fromJson(Map<String, dynamic> json) {
+    final rawUpdated = json['updatedAt'] ?? json['updated_at'];
+    final updatedAt = switch (rawUpdated) {
+      int n => n,
+      num n => n.round(),
+      String s => int.tryParse(s) ?? 0,
+      _ => 0,
+    };
     return OverviewFavourite(
       id: json['id'] as String? ?? 'fav_${DateTime.now().millisecondsSinceEpoch}',
       name: (json['name'] as String?)?.trim().isNotEmpty == true
@@ -100,6 +124,8 @@ class OverviewFavourite {
       ),
       invertExpensePerspective:
           json['invertExpensePerspective'] as bool? ?? false,
+      updatedAt: updatedAt,
+      deleted: json['deleted'] as bool? ?? false,
     );
   }
 }
@@ -107,3 +133,25 @@ class OverviewFavourite {
 enum OverviewMetricMode { flow, labels }
 
 enum OverviewPeriodMode { monthly, yearly }
+
+/// Union favourites by id with last-write-wins on [OverviewFavourite.updatedAt].
+List<OverviewFavourite> mergeOverviewFavourites(
+  List<OverviewFavourite> local,
+  List<OverviewFavourite> remote,
+) {
+  final byId = <String, OverviewFavourite>{};
+  void put(OverviewFavourite fav) {
+    final existing = byId[fav.id];
+    if (existing == null || fav.updatedAt >= existing.updatedAt) {
+      byId[fav.id] = fav;
+    }
+  }
+
+  for (final fav in remote) {
+    put(fav);
+  }
+  for (final fav in local) {
+    put(fav);
+  }
+  return byId.values.toList(growable: false);
+}