feat: 通知推送/免打扰偏好 + 饮食记录侧滑删除修复 + 聊天交互优化

- 通知: 新增推送开关/免打扰时段偏好持久化 + EF 迁移; 通知管线支持免打扰过滤
- 饮食: 侧滑删除 confirmDismiss 按方向放行(修复删不掉); 新增 diet_nutrition_widgets; 饮食录入页重构
- 聊天: 智能体胶囊点击锁防误触; 流式状态 select 优化; 卡片入场动画
- 主页: 消息列表提取 _HomeMessages + 侧滑手势打开抽屉
- 其他: api_client IP 适配; 通知/用药/饮食端点微调; 测试更新

health_app/lib/pages/settings/notification_prefs_page.dart

@@ -10,11 +10,11 @@ import '../../providers/auth_provider.dart';
 // 持久化到后端 /api/notification-prefs，启动时自动拉取一次。
 
 final notificationPrefsProvider =
-    NotifierProvider<NotificationPrefsNotifier, Map<String, bool>>(
+    NotifierProvider<NotificationPrefsNotifier, Map<String, dynamic>>(
       NotificationPrefsNotifier.new,
     );
 
-class NotificationPrefsNotifier extends Notifier<Map<String, bool>> {
+class NotificationPrefsNotifier extends Notifier<Map<String, dynamic>> {
   static const _defaults = {
     'pushEnabled': true,
     'medication': true,
@@ -22,8 +22,8 @@ class NotificationPrefsNotifier extends Notifier<Map<String, bool>> {
     'followUp': true,
     'aiReply': false,
     'dndEnabled': false,
-    'dndStart': false,
-    'dndEnd': false,
+    'dndStartMinutes': 22 * 60,
+    'dndEndMinutes': 8 * 60,
     // 健康录入提醒——总开关 + 5 子项
     'healthRecord': true,
     'healthRecord.bp': true,
@@ -34,7 +34,7 @@ class NotificationPrefsNotifier extends Notifier<Map<String, bool>> {
   };
 
   @override
-  Map<String, bool> build() {
+  Map<String, dynamic> build() {
     Future.microtask(_loadFromBackend);
     return {..._defaults};
   }
@@ -47,6 +47,11 @@ class NotificationPrefsNotifier extends Notifier<Map<String, bool>> {
       if (data == null) return;
       state = {
         ...state,
+        'pushEnabled': (data['pushEnabled'] as bool?) ?? true,
+        'dndEnabled': (data['dndEnabled'] as bool?) ?? false,
+        'dndStartMinutes':
+            (data['dndStartMinutes'] as num?)?.toInt() ?? 22 * 60,
+        'dndEndMinutes': (data['dndEndMinutes'] as num?)?.toInt() ?? 8 * 60,
         'medication': (data['medicationReminder'] as bool?) ?? true,
         'healthAlert': (data['abnormalAlert'] as bool?) ?? true,
         'followUp': (data['followUpReminder'] as bool?) ?? true,
@@ -87,6 +92,8 @@ class NotificationPrefsNotifier extends Notifier<Map<String, bool>> {
       'healthRecord.glucose' => 'healthRecordReminderGlucose',
       'healthRecord.spo2' => 'healthRecordReminderSpO2',
       'healthRecord.weight' => 'healthRecordReminderWeight',
+      'pushEnabled' => 'pushEnabled',
+      'dndEnabled' => 'dndEnabled',
       _ => null,
     };
     if (backendField == null) return;
@@ -99,12 +106,24 @@ class NotificationPrefsNotifier extends Notifier<Map<String, bool>> {
     }
   }
 
-  void setDndStart(TimeOfDay time) {
-    state = {...state, 'dndStart': true};
+  Future<void> setDndStart(TimeOfDay time) async {
+    await _setTime('dndStartMinutes', time.hour * 60 + time.minute);
   }
 
-  void setDndEnd(TimeOfDay time) {
-    state = {...state, 'dndEnd': true};
+  Future<void> setDndEnd(TimeOfDay time) async {
+    await _setTime('dndEndMinutes', time.hour * 60 + time.minute);
+  }
+
+  Future<void> _setTime(String key, int minutes) async {
+    final previous = state[key];
+    state = {...state, key: minutes};
+    try {
+      await ref
+          .read(apiClientProvider)
+          .put('/api/notification-prefs', data: {key: minutes});
+    } catch (_) {
+      state = {...state, key: previous};
+    }
   }
 }
 
@@ -116,7 +135,11 @@ class NotificationPrefsPage extends ConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final prefs = ref.watch(notificationPrefsProvider);
-    final dndOn = prefs['dndEnabled'] ?? false;
+    final dndOn = prefs['dndEnabled'] as bool? ?? false;
+    final dndStart = prefs['dndStartMinutes'] as int? ?? 22 * 60;
+    final dndEnd = prefs['dndEndMinutes'] as int? ?? 8 * 60;
+    String formatMinutes(int value) =>
+        '${(value ~/ 60).toString().padLeft(2, '0')}:${(value % 60).toString().padLeft(2, '0')}';
 
     return GradientScaffold(
       appBar: AppBar(
@@ -278,7 +301,9 @@ class NotificationPrefsPage extends ConsumerWidget {
               children: [
                 _SwitchTile(
                   title: '开启免打扰模式',
-                  subtitle: dndOn ? '22:00 - 08:00 期间静音' : '关闭后全天接收通知',
+                  subtitle: dndOn
+                      ? '${formatMinutes(dndStart)} - ${formatMinutes(dndEnd)} 期间静音'
+                      : '关闭后全天接收通知',
                   value: dndOn,
                   showDivider: dndOn,
                   onChanged: (v) => ref
@@ -298,13 +323,13 @@ class NotificationPrefsPage extends ConsumerWidget {
                         Expanded(
                           child: _TimeButton(
                             label: '开始',
-                            time: '22:00',
+                            time: formatMinutes(dndStart),
                             onTap: () async {
                               final picked = await showAppTimePicker(
                                 context,
-                                initialTime: const TimeOfDay(
-                                  hour: 22,
-                                  minute: 0,
+                                initialTime: TimeOfDay(
+                                  hour: dndStart ~/ 60,
+                                  minute: dndStart % 60,
                                 ),
                               );
                               if (picked != null && context.mounted) {
@@ -328,13 +353,13 @@ class NotificationPrefsPage extends ConsumerWidget {
                         Expanded(
                           child: _TimeButton(
                             label: '结束',
-                            time: '08:00',
+                            time: formatMinutes(dndEnd),
                             onTap: () async {
                               final picked = await showAppTimePicker(
                                 context,
-                                initialTime: const TimeOfDay(
-                                  hour: 8,
-                                  minute: 0,
+                                initialTime: TimeOfDay(
+                                  hour: dndEnd ~/ 60,
+                                  minute: dndEnd % 60,
                                 ),
                               );
                               if (picked != null && context.mounted) {