feat: 增强通知功能及用户体验

- 在 Bootstrapper 组件中新增通知服务初始化逻辑，注册每日午餐提醒
- 在 CoachScreen 中优化欢迎消息生成逻辑，整合用户配置文件数据
- 更新 GoalsScreen 组件，优化目标创建时的通知设置逻辑
- 在 NotificationTest 组件中添加调试通知状态功能，提升开发便利性
- 新增 NutritionNotificationHelpers 中的午餐提醒功能，支持每日提醒设置
- 更新相关文档，详细描述新功能和使用方法

app/_layout.tsx

@@ -7,11 +7,12 @@ import 'react-native-reanimated';
 
 import PrivacyConsentModal from '@/components/PrivacyConsentModal';
 import { useAppDispatch, useAppSelector } from '@/hooks/redux';
-import { useColorScheme } from '@/hooks/useColorScheme';
 import { clearAiCoachSessionCache } from '@/services/aiCoachSession';
 import { backgroundTaskManager } from '@/services/backgroundTaskManager';
+import { notificationService } from '@/services/notifications';
 import { store } from '@/store';
 import { rehydrateUser, setPrivacyAgreed } from '@/store/userSlice';
+import { NutritionNotificationHelpers } from '@/utils/notificationHelpers';
 import React from 'react';
 import RNExitApp from 'react-native-exit-app';
 
@@ -21,7 +22,7 @@ import { Provider } from 'react-redux';
 
 function Bootstrapper({ children }: { children: React.ReactNode }) {
   const dispatch = useAppDispatch();
-  const { privacyAgreed } = useAppSelector((state) => state.user);
+  const { privacyAgreed, profile } = useAppSelector((state) => state.user);
   const [showPrivacyModal, setShowPrivacyModal] = React.useState(false);
   const [userDataLoaded, setUserDataLoaded] = React.useState(false);
 
@@ -34,15 +35,30 @@ function Bootstrapper({ children }: { children: React.ReactNode }) {
     const initializeBackgroundTasks = async () => {
       try {
         await backgroundTaskManager.initialize();
-
         console.log('后台任务管理器初始化成功');
       } catch (error) {
         console.error('后台任务管理器初始化失败:', error);
       }
     };
 
+    const initializeNotifications = async () => {
+      try {
+        // 初始化通知服务
+        await notificationService.initialize();
+
+        // 只有在用户数据加载完成后且用户名存在时才注册午餐提醒
+        if (userDataLoaded && profile?.name) {
+          await NutritionNotificationHelpers.scheduleDailyLunchReminder(profile.name);
+          console.log('通知服务初始化成功，午餐提醒已注册');
+        }
+      } catch (error) {
+        console.error('通知服务初始化失败:', error);
+      }
+    };
+
     loadUserData();
     initializeBackgroundTasks();
+    initializeNotifications();
     // 冷启动时清空 AI 教练会话缓存
     clearAiCoachSessionCache();
   }, [dispatch]);
@@ -54,6 +70,23 @@ function Bootstrapper({ children }: { children: React.ReactNode }) {
     }
   }, [userDataLoaded, privacyAgreed]);
 
+  // 当用户数据加载完成且用户名存在时，注册午餐提醒
+  React.useEffect(() => {
+    const registerLunchReminder = async () => {
+      if (userDataLoaded && profile?.name) {
+        try {
+          await notificationService.initialize();
+          await NutritionNotificationHelpers.scheduleDailyLunchReminder(profile.name);
+          console.log('午餐提醒已注册');
+        } catch (error) {
+          console.error('注册午餐提醒失败:', error);
+        }
+      }
+    };
+
+    registerLunchReminder();
+  }, [userDataLoaded, profile?.name]);
+
   const handlePrivacyAgree = () => {
     dispatch(setPrivacyAgreed());
     setShowPrivacyModal(false);
@@ -76,7 +109,6 @@ function Bootstrapper({ children }: { children: React.ReactNode }) {
 }
 
 export default function RootLayout() {
-  const colorScheme = useColorScheme();
   const [loaded] = useFonts({
     SpaceMono: require('../assets/fonts/SpaceMono-Regular.ttf'),
   });