refactor(apps): 主题系统迁移至 ColorScheme + 扩展架构并支持 Dark Mode

apps/lib/data/services/ios_notification_payload_bridge.dart

@@ -0,0 +1,20 @@
+import '../../core/storage/app_preferences.dart';
+import '../models/reminder_payload.dart';
+
+class IOSNotificationPayloadBridge {
+  final AppPreferences _prefs;
+
+  IOSNotificationPayloadBridge(this._prefs);
+
+  ReminderPayload? getPendingPayload() {
+    return _prefs.pendingNotificationPayload;
+  }
+
+  Future<void> setPendingPayload(ReminderPayload payload) {
+    return _prefs.setPendingNotificationPayload(payload);
+  }
+
+  Future<void> clearPendingPayload() {
+    return _prefs.clearPendingNotificationPayload();
+  }
+}