feat: 实现日历提醒 in-app fallback 机制及通知服务重构

apps/lib/features/calendar/reminders/models/reminder_payload.dart

@@ -9,6 +9,7 @@ class ReminderPayload {
   final String? color;
   final ReminderPayloadMode mode;
   final List<String> aggregateIds;
+  final int? fireTimeBucket;
   final int version;
 
   const ReminderPayload({
@@ -22,6 +23,7 @@ class ReminderPayload {
     this.color,
     this.mode = ReminderPayloadMode.single,
     this.aggregateIds = const [],
+    this.fireTimeBucket,
     this.version = 1,
   });
 
@@ -36,6 +38,7 @@ class ReminderPayload {
     String? color,
     ReminderPayloadMode? mode,
     List<String>? aggregateIds,
+    int? fireTimeBucket,
     int? version,
   }) {
     return ReminderPayload(
@@ -49,6 +52,7 @@ class ReminderPayload {
       color: color ?? this.color,
       mode: mode ?? this.mode,
       aggregateIds: aggregateIds ?? this.aggregateIds,
+      fireTimeBucket: fireTimeBucket ?? this.fireTimeBucket,
       version: version ?? this.version,
     );
   }
@@ -65,6 +69,7 @@ class ReminderPayload {
       'color': color,
       'mode': mode.value,
       'aggregateIds': aggregateIds,
+      'fireTimeBucket': fireTimeBucket,
       'version': version,
     };
   }
@@ -104,6 +109,7 @@ class ReminderPayload {
       color: json['color'] as String?,
       mode: mode,
       aggregateIds: aggregateIds,
+      fireTimeBucket: json['fireTimeBucket'] as int?,
       version: (json['version'] as int?) ?? 1,
     );
   }
@@ -124,6 +130,7 @@ class ReminderPayload {
         other.color == color &&
         other.mode == mode &&
         _listEquals(other.aggregateIds, aggregateIds) &&
+        other.fireTimeBucket == fireTimeBucket &&
         other.version == version;
   }
 
@@ -140,6 +147,7 @@ class ReminderPayload {
       color,
       mode,
       Object.hashAll(aggregateIds),
+      fireTimeBucket,
       version,
     );
   }