feat: 二级页面色彩刷新 + 用药/通知/设备重构 + 后端健康档案/通知管线增强 + 大量测试

## 后端
- 健康档案: 新增手术状态字段 + EF 迁移; HealthArchiveService 新增查询方法
- 健康记录: HealthRecordService 新增批量/统计方法; 契约扩展
- 用药: 新增 MedicationScheduleStatus 枚举; MedicationService 排班逻辑调整
- 通知: EfUserNotificationPipeline 重构; 新增 EfReminderCatchUpService; 通知管线支持更多场景
- 用户: UserService 账号删除逻辑; 新增 local_account_file_cleanup; EfUserRepository 扩展
- AI: medication_agent_handler 微调; prompt_manager 优化; AiConversationService 上下文处理
- Endpoint: doctor/medication/exercise/health/notification/user 等多接口调整
- BackgroundService: health_record_reminder_service 重构, 提醒补漏逻辑
- 测试: 新增 account_deletion/doctor_endpoint/medication_schedule/medication_update/prompt_manager 测试

## 前端
- UI 系统: app_theme 大幅重构; app_colors/app_design_tokens/app_module_visuals 调整; 二级页面色彩刷新
- 主页: home_page 背景渐变 + 消息列表提取 _HomeMessages + 通知检查逻辑; chat_messages_view 全面重构
- 用药: medication_list/edit/checkin 三页重构, 新增 medication_ui_logic 抽取
- 通知: notification_prefs_page 重构, 新增 notification_prefs_logic; notification_center 优化
- 设备: device_management 重构, 新增 device_sync_ui_logic; device_scan 优化
- 趋势图: trend_page 大幅重构
- 登录: login_page 重构
- 个人资料: 新增 profile_edit_page; profile_page 优化
- 运动: 新增 exercise/ 目录 + care_plan_ui_logic
- 其他: remaining_pages/report_pages/health_drawer/admin/doctor 等多页面调整
- 组件: common_widgets/app_empty_state/app_error_state/app_future_view/app_toast/ai_content 优化
- Provider: chat_provider/consultation_provider/data_providers/auth_provider 调整
- AndroidManifest: 移除多余权限
- 测试: 新增 ai_content/care_plan/home_message/login_flow/medication_checkin/medication_ui/notification_prefs/profile_device/secondary_page/swipe_delete 等大量测试

## 文档
- 新增 ui-design-system.md 设计系统文档
- 新增 secondary-page-color-refresh 计划 + specs 目录

health_app/lib/providers/consultation_provider.dart

@@ -63,26 +63,26 @@ class ConsultationChatState {
     bool? isConnected,
     int? quotaRemaining,
     int? quotaTotal,
-  }) =>
-      ConsultationChatState(
-        consultationId: consultationId ?? this.consultationId,
-        doctorId: doctorId ?? this.doctorId,
-        doctorName: doctorName ?? this.doctorName,
-        doctorTitle: doctorTitle ?? this.doctorTitle,
-        doctorDepartment: doctorDepartment ?? this.doctorDepartment,
-        status: status ?? this.status,
-        messages: messages ?? this.messages,
-        isLoading: isLoading ?? this.isLoading,
-        isSending: isSending ?? this.isSending,
-        isConnected: isConnected ?? this.isConnected,
-        quotaRemaining: quotaRemaining ?? this.quotaRemaining,
-        quotaTotal: quotaTotal ?? this.quotaTotal,
-      );
+  }) => ConsultationChatState(
+    consultationId: consultationId ?? this.consultationId,
+    doctorId: doctorId ?? this.doctorId,
+    doctorName: doctorName ?? this.doctorName,
+    doctorTitle: doctorTitle ?? this.doctorTitle,
+    doctorDepartment: doctorDepartment ?? this.doctorDepartment,
+    status: status ?? this.status,
+    messages: messages ?? this.messages,
+    isLoading: isLoading ?? this.isLoading,
+    isSending: isSending ?? this.isSending,
+    isConnected: isConnected ?? this.isConnected,
+    quotaRemaining: quotaRemaining ?? this.quotaRemaining,
+    quotaTotal: quotaTotal ?? this.quotaTotal,
+  );
 }
 
 final consultationChatProvider =
     NotifierProvider<ConsultationChatNotifier, ConsultationChatState>(
-        ConsultationChatNotifier.new);
+      ConsultationChatNotifier.new,
+    );
 
 class ConsultationChatNotifier extends Notifier<ConsultationChatState> {
   HubConnection? _hub;
@@ -108,7 +108,10 @@ class ConsultationChatNotifier extends Notifier<ConsultationChatState> {
       );
 
       // 创建问诊会话
-      final createRes = await api.post('/api/consultations', data: {'doctorId': doctorId});
+      final createRes = await api.post(
+        '/api/consultations',
+        data: {'doctorId': doctorId},
+      );
       final consultationId = createRes.data['data']?['id']?.toString() ?? '';
 
       // 加载历史消息
@@ -130,7 +133,10 @@ class ConsultationChatNotifier extends Notifier<ConsultationChatState> {
           isLoading: false,
         );
       } else {
-        state = state.copyWith(consultationId: consultationId, isLoading: false);
+        state = state.copyWith(
+          consultationId: consultationId,
+          isLoading: false,
+        );
       }
 
       // 建立 SignalR 连接
@@ -156,21 +162,26 @@ class ConsultationChatNotifier extends Notifier<ConsultationChatState> {
         if (msgConsultationId != consultationId) return;
 
         final msg = ConsultationMsg(
-          id: data['id']?.toString() ?? DateTime.now().millisecondsSinceEpoch.toString(),
+          id:
+              data['id']?.toString() ??
+              DateTime.now().millisecondsSinceEpoch.toString(),
           senderType: data['senderType']?.toString() ?? 'Ai',
           senderName: data['senderName']?.toString(),
           content: data['content']?.toString() ?? '',
           createdAt: data['createdAt'] != null
-              ? DateTime.tryParse(data['createdAt'].toString()) ?? DateTime.now()
+              ? DateTime.tryParse(data['createdAt'].toString()) ??
+                    DateTime.now()
               : DateTime.now(),
         );
 
         // 去重：按 ID + 内容+时间窗口（防止本地消息和服务器消息重复）
-        final isDuplicate = state.messages.any((m) =>
-            m.id == msg.id ||
-            (m.senderType == msg.senderType &&
-             m.content == msg.content &&
-             msg.createdAt.difference(m.createdAt).inSeconds.abs() < 3));
+        final isDuplicate = state.messages.any(
+          (m) =>
+              m.id == msg.id ||
+              (m.senderType == msg.senderType &&
+                  m.content == msg.content &&
+                  msg.createdAt.difference(m.createdAt).inSeconds.abs() < 3),
+        );
         if (!isDuplicate) {
           state = state.copyWith(messages: [...state.messages, msg]);
         }
@@ -191,14 +202,17 @@ class ConsultationChatNotifier extends Notifier<ConsultationChatState> {
       final res = await api.get('/api/doctors');
       final list = (res.data['data'] as List?) ?? [];
       final doc = list.cast<Map<String, dynamic>>().firstWhere(
-          (d) => d['id']?.toString() == doctorId,
-          orElse: () => <String, dynamic>{});
+        (d) => d['id']?.toString() == doctorId,
+        orElse: () => <String, dynamic>{},
+      );
       state = state.copyWith(
         doctorName: doc['name']?.toString() ?? '',
         doctorTitle: doc['title']?.toString() ?? '',
         doctorDepartment: doc['department']?.toString() ?? '',
       );
-    } catch (e) { log('[Consultation]请求失败: $e'); }
+    } catch (e) {
+      log('[Consultation]请求失败: $e');
+    }
   }
 
   Future<void> _loadMessages(String consultationId) async {
@@ -213,17 +227,25 @@ class ConsultationChatNotifier extends Notifier<ConsultationChatState> {
           senderType: map['senderType']?.toString() ?? 'User',
           senderName: map['senderName']?.toString(),
           content: map['content']?.toString() ?? '',
-          createdAt: DateTime.tryParse(map['createdAt']?.toString() ?? '') ?? DateTime.now(),
+          createdAt:
+              DateTime.tryParse(map['createdAt']?.toString() ?? '') ??
+              DateTime.now(),
         );
       }).toList();
       if (msgs.isNotEmpty) {
         state = state.copyWith(messages: msgs);
       }
-    } catch (e) { log('[Consultation]请求失败: $e'); }
+    } catch (e) {
+      log('[Consultation]请求失败: $e');
+    }
   }
 
   Future<void> sendMessage(String text) async {
-    if (text.trim().isEmpty || state.isSending || state.consultationId == null) return;
+    if (text.trim().isEmpty ||
+        state.isSending ||
+        state.consultationId == null) {
+      return;
+    }
 
     final localId = '${DateTime.now().millisecondsSinceEpoch}';
     final userMsg = ConsultationMsg(
@@ -240,8 +262,10 @@ class ConsultationChatNotifier extends Notifier<ConsultationChatState> {
     try {
       // 优先通过 SignalR 发送
       if (_hub != null && _hub!.state == HubConnectionState.Connected) {
-        final result = await _hub!.invoke('SendMessage',
-            args: <Object>[state.consultationId!, 'User', '', text]);
+        final result = await _hub!.invoke(
+          'SendMessage',
+          args: <Object>[state.consultationId!, 'User', '', text],
+        );
         // 用服务器返回的真实 ID 更新本地消息，防止后续轮询重复
         if (result != null) {
           final serverId = (result as Map<String, dynamic>)['id']?.toString();
@@ -264,8 +288,10 @@ class ConsultationChatNotifier extends Notifier<ConsultationChatState> {
       } else {
         // 回退到 HTTP
         final api = ref.read(apiClientProvider);
-        final res = await api.post('/api/consultations/${state.consultationId}/messages',
-            data: {'content': text});
+        final res = await api.post(
+          '/api/consultations/${state.consultationId}/messages',
+          data: {'content': text},
+        );
         // 用服务器返回的真实 ID 更新本地消息
         final dataMap = res.data['data'] as Map<String, dynamic>?;
         final serverId = dataMap?['id']?.toString();
@@ -296,7 +322,10 @@ class ConsultationChatNotifier extends Notifier<ConsultationChatState> {
 
   void _startPolling() {
     _pollTimer?.cancel();
-    _pollTimer = Timer.periodic(const Duration(seconds: 5), (_) => _pollMessages());
+    _pollTimer = Timer.periodic(
+      const Duration(seconds: 5),
+      (_) => _pollMessages(),
+    );
   }
 
   Future<void> _pollMessages() async {
@@ -325,7 +354,8 @@ class ConsultationChatNotifier extends Notifier<ConsultationChatState> {
               senderName: map['senderName']?.toString(),
               content: map['content']?.toString() ?? '',
               createdAt:
-                  DateTime.tryParse(map['createdAt']?.toString() ?? '') ?? DateTime.now(),
+                  DateTime.tryParse(map['createdAt']?.toString() ?? '') ??
+                  DateTime.now(),
             );
           })
           .where((m) => !existingIds.contains(m.id))
@@ -334,7 +364,9 @@ class ConsultationChatNotifier extends Notifier<ConsultationChatState> {
       if (newMsgs.isNotEmpty) {
         state = state.copyWith(messages: [...state.messages, ...newMsgs]);
       }
-    } catch (e) { log('[Consultation]请求失败: $e'); }
+    } catch (e) {
+      log('[Consultation]请求失败: $e');
+    }
   }
 
   void stop() {