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(() => {