feat: 更新多个组件以优化用户体验和功能

- 在 CoachScreen 中移除不必要的 router 引入，简化代码结构
- 在 PersonalScreen 中移除未使用的 colorScheme 引入，优化组件性能
- 更新 NutritionRadarCard 组件，新增卡路里计算功能，提升营养数据展示
- 修改 Statistics 组件，调整样式以增强视觉效果
- 移除 iOS 项目中的多余健康数据权限设置，简化配置

app/(tabs)/coach.tsx

@@ -2,7 +2,7 @@ import { Ionicons } from '@expo/vector-icons';
 import { BlurView } from 'expo-blur';
 import * as Haptics from 'expo-haptics';
 import * as ImagePicker from 'expo-image-picker';
-import { useLocalSearchParams, useRouter } from 'expo-router';
+import { useLocalSearchParams } from 'expo-router';
 import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import {
   ActivityIndicator,
@@ -115,10 +115,8 @@ const CardType = {
 
 type CardType = typeof CardType[keyof typeof CardType];
 
-// const COACH_AVATAR = require('@/assets/images/logo.png');
 
 export default function CoachScreen() {
-  const router = useRouter();
   const params = useLocalSearchParams<{ name?: string }>();
   const insets = useSafeAreaInsets();
 
@@ -290,10 +288,10 @@ export default function CoachScreen() {
         if (Platform.OS === 'ios') {
           Haptics.impactAsync(Haptics.ImpactFeedbackStyle.Light);
         }
-        router.push('/mood/calendar');
+        pushIfAuthedElseLogin('/mood/calendar');
       }
     },
-  ], [router, planDraft, checkin]);
+  ], [planDraft, checkin]);
 
   const scrollToEnd = useCallback(() => {
     requestAnimationFrame(() => {

app/(tabs)/personal.tsx

@@ -1,10 +1,8 @@
 import ActivityHeatMap from '@/components/ActivityHeatMap';
 import { PRIVACY_POLICY_URL, USER_AGREEMENT_URL } from '@/constants/Agree';
-import { Colors } from '@/constants/Colors';
 import { getTabBarBottomPadding } from '@/constants/TabBar';
 import { useAppDispatch, useAppSelector } from '@/hooks/redux';
 import { useAuthGuard } from '@/hooks/useAuthGuard';
-import { useColorScheme } from '@/hooks/useColorScheme';
 import { useNotifications } from '@/hooks/useNotifications';
 import { DEFAULT_MEMBER_NAME, fetchActivityHistory, fetchMyProfile } from '@/store/userSlice';
 import { Ionicons } from '@expo/vector-icons';
@@ -21,16 +19,14 @@ export default function PersonalScreen() {
   const { confirmLogout, confirmDeleteAccount, isLoggedIn, pushIfAuthedElseLogin } = useAuthGuard();
   const insets = useSafeAreaInsets();
   const tabBarHeight = useBottomTabBarHeight();
-  const colorScheme = useColorScheme();
-  
+
   // 推送通知相关
   const {
-    isInitialized,
     permissionStatus,
     requestPermission,
     sendNotification,
   } = useNotifications();
-  
+
   const [notificationEnabled, setNotificationEnabled] = useState(false);
 
   // 计算底部间距
@@ -38,9 +34,6 @@ export default function PersonalScreen() {
     return getTabBarBottomPadding(tabBarHeight) + (insets?.bottom ?? 0);
   }, [tabBarHeight, insets?.bottom]);
 
-  // 颜色主题
-  const colors = Colors[colorScheme ?? 'light'];
-
   // 直接使用 Redux 中的用户信息，避免重复状态管理
   const userProfile = useAppSelector((state) => state.user.profile);
 
@@ -116,9 +109,9 @@ export default function PersonalScreen() {
       <View style={styles.cardContainer}>
         <View style={styles.userInfoContainer}>
           <View style={styles.avatarContainer}>
-            <Image 
-              source={{ uri: userProfile.avatar || DEFAULT_AVATAR_URL }} 
-              style={styles.avatar} 
+            <Image
+              source={{ uri: userProfile.avatar || DEFAULT_AVATAR_URL }}
+              style={styles.avatar}
             />
           </View>
           <View style={styles.userDetails}>
@@ -183,7 +176,7 @@ export default function PersonalScreen() {
             {item.type === 'switch' ? (
               <Switch
                 value={item.switchValue || false}
-                onValueChange={item.onSwitchChange || (() => {})}
+                onValueChange={item.onSwitchChange || (() => { })}
                 trackColor={{ false: '#E5E5E5', true: '#9370DB' }}
                 thumbColor="#FFFFFF"
                 style={styles.switch}

app/(tabs)/statistics.tsx

@@ -352,6 +352,14 @@ export default function ExploreScreen() {
           {/* 营养摄入雷达图卡片 */}
           <NutritionRadarCard
             nutritionSummary={nutritionSummary}
+            burnedCalories={basalMetabolism || 0}
+            calorieDeficit={0}
+            resetToken={animToken}
+            onMealPress={(mealType: 'breakfast' | 'lunch' | 'dinner' | 'snack') => {
+              console.log('选择餐次:', mealType);
+              // 这里可以导航到营养记录页面
+              pushIfAuthedElseLogin('/nutrition/records');
+            }}
           />
 
           {/* 真正瀑布流布局 */}
@@ -720,13 +728,11 @@ const styles = StyleSheet.create({
     justifyContent: 'space-between',
     marginBottom: 16,
   },
-  healthMetricsContainer: {
-    marginBottom: 16,
-  },
   masonryContainer: {
     marginBottom: 16,
     flexDirection: 'row',
     gap: 12,
+    marginTop: 16,
   },
   masonryColumn: {
     flex: 1,