feat: Refactor MoodCalendarScreen to use dayjs for date handling and improve calendar data generation

feat: Update FitnessRingsCard to navigate to fitness rings detail page on press

feat: Modify NutritionRadarCard to enhance UI and add haptic feedback on actions

feat: Add FITNESS_RINGS_DETAIL route for navigation

fix: Adjust minimum fetch interval in BackgroundTaskManager for background tasks

feat: Implement haptic feedback utility functions for better user experience

feat: Extend health permissions to include Apple Exercise Time and Apple Stand Time

feat: Add functions to fetch hourly activity, exercise, and stand data for improved health tracking

feat: Enhance user preferences to manage fitness exercise minutes and active hours info dismissal

services/backgroundTaskManager.ts

@@ -38,7 +38,7 @@ export class BackgroundTaskManager {
     try {
       // 配置后台获取
       const status = await BackgroundFetch.configure({
-        minimumFetchInterval: 15000, // 最小间隔15分钟（iOS 实际控制间隔）
+        minimumFetchInterval: 15, // 最小间隔15分钟（iOS 实际控制间隔）
       }, async (taskId) => {
         console.log('[BackgroundFetch] 后台任务执行:', taskId);
         await this.executeBackgroundTasks();
@@ -73,6 +73,24 @@ export class BackgroundTaskManager {
         return;
       }
 
+      // 获取用户名
+      const state = store.getState();
+      const userName = state.user.profile?.name || '朋友';
+
+      // 发送测试通知
+      const Notifications = await import('expo-notifications');
+
+      await Notifications.scheduleNotificationAsync({
+        content: {
+          title: '测试通知',
+          body: `你好 ${userName}！这是一条测试消息，用于验证通知功能是否正常工作。`,
+          data: { type: 'test_notification', timestamp: Date.now() },
+          sound: true,
+          priority: Notifications.AndroidNotificationPriority.HIGH,
+        },
+        trigger: null, // 立即发送
+      });
+
       // 执行喝水提醒检查任务
       await this.executeWaterReminderTask();
 
@@ -375,6 +393,7 @@ export class BackgroundTaskManager {
       console.error('站立提醒后台任务测试失败:', error);
     }
   }
+
 }
 
 /**