feat: 添加 BMI 计算和训练计划排课功能

- 新增 BMI 计算工具，支持用户输入体重和身高计算 BMI 值，并根据结果提供分类和建议
- 在训练计划中集成排课功能，允许用户选择和安排训练动作
- 更新个人信息页面，添加出生日期字段，支持用户完善个人资料
- 优化训练计划卡片样式，提升用户体验
- 更新相关依赖，确保项目兼容性和功能完整性

app/(tabs)/explore.tsx

@@ -1,4 +1,5 @@
 import { AnimatedNumber } from '@/components/AnimatedNumber';
+import { BMICard } from '@/components/BMICard';
 import { CircularRing } from '@/components/CircularRing';
 import { ProgressBar } from '@/components/ProgressBar';
 import { Colors } from '@/constants/Colors';
@@ -27,6 +28,7 @@ export default function ExploreScreen() {
   const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
   const colorTokens = Colors[theme];
   const stepGoal = useAppSelector((s) => s.user.profile?.dailyStepsGoal) ?? 2000;
+  const userProfile = useAppSelector((s) => s.user.profile);
   // 使用 dayjs：当月日期与默认选中“今天”
   const days = getMonthDaysZh();
   const [selectedIndex, setSelectedIndex] = useState(getTodayIndexInMonth());
@@ -225,6 +227,12 @@ export default function ExploreScreen() {
               </View>
             </View>
           </View>
+
+          {/* BMI 指数卡片 */}
+          <BMICard
+            weight={userProfile?.weight}
+            height={userProfile?.height}
+          />
         </ScrollView>
       </SafeAreaView>
     </View>

app/(tabs)/personal.tsx

@@ -10,106 +10,63 @@ import { useBottomTabBarHeight } from '@react-navigation/bottom-tabs';
 import { useFocusEffect } from '@react-navigation/native';
 import type { Href } from 'expo-router';
 import { router } from 'expo-router';
-import React, { useEffect, useMemo, useState } from 'react';
+import React, { useMemo, useState } from 'react';
 import { Alert, Image, SafeAreaView, ScrollView, StatusBar, StyleSheet, Switch, Text, TouchableOpacity, View } from 'react-native';
 import { useSafeAreaInsets } from 'react-native-safe-area-context';
 
+const DEFAULT_AVATAR_URL = 'https://plates-1251306435.cos.ap-guangzhou.myqcloud.com/images/avatar/avatarGirl01.jpeg';
+
 export default function PersonalScreen() {
   const dispatch = useAppDispatch();
   const insets = useSafeAreaInsets();
   const tabBarHeight = useBottomTabBarHeight();
+  const colorScheme = useColorScheme();
+  const [notificationEnabled, setNotificationEnabled] = useState(true);
+
+  // 计算底部间距
   const bottomPadding = useMemo(() => {
-    // 统一的页面底部留白：TabBar 高度 + TabBar 与底部的额外间距 + 安全区底部
     return getTabBarBottomPadding(tabBarHeight) + (insets?.bottom ?? 0);
   }, [tabBarHeight, insets?.bottom]);
-  const [notificationEnabled, setNotificationEnabled] = useState(true);
-  const colorScheme = useColorScheme();
+
+  // 颜色主题
   const colors = Colors[colorScheme ?? 'light'];
   const theme = (colorScheme ?? 'light') as 'light' | 'dark';
-  const colorTokens = Colors[theme];
-  const DEFAULT_AVATAR_URL = 'https://plates-1251306435.cos.ap-guangzhou.myqcloud.com/images/avatar/avatarGirl01.jpeg';
 
-  type UserProfile = {
-    name?: string;
-    email?: string;
-    gender?: 'male' | 'female' | '';
-    age?: string;
-    weightKg?: number;
-    heightCm?: number;
-    avatarUri?: string | null;
-  };
+  // 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);
 
-  const userProfileFromRedux = useAppSelector((s) => s.user.profile);
-  const [profile, setProfile] = useState<UserProfile>({});
-
-  const load = async () => {
-    try {
-      const [p, o] = await Promise.all([
-        AsyncStorage.getItem('@user_profile'),
-        AsyncStorage.getItem('@user_personal_info'),
-      ]);
-      let next: UserProfile = {};
-      if (o) {
-        try {
-          const parsed = JSON.parse(o);
-          next = {
-            ...next,
-            age: parsed?.age ? String(parsed.age) : undefined,
-            gender: parsed?.gender || '',
-            heightCm: parsed?.height ? parseFloat(parsed.height) : undefined,
-            weightKg: parsed?.weight ? parseFloat(parsed.weight) : undefined,
-          };
-        } catch { }
-      }
-      if (p) {
-        try { next = { ...next, ...JSON.parse(p) }; } catch { }
-      }
-      setProfile(next);
-    } catch (e) {
-      console.warn('加载用户资料失败', e);
-    }
-  };
-
-  useEffect(() => { load(); }, []);
-  useFocusEffect(React.useCallback(() => {
-    // 聚焦时只拉后端，避免与本地 load 循环触发
-    dispatch(fetchMyProfile());
-    return () => { };
-  }, [dispatch]));
-  useEffect(() => {
-    const r = userProfileFromRedux as any;
-    if (!r) return;
-    setProfile((prev) => {
-      const next = { ...prev } as any;
-      const nameNext = (r.name && String(r.name)) || prev.name;
-      const genderNext = (r.gender === 'male' || r.gender === 'female') ? r.gender : (prev.gender ?? '');
-      const avatarUriNext = typeof r.avatar === 'string' && (r.avatar.startsWith('http') || r.avatar.startsWith('data:'))
-        ? r.avatar
-        : prev.avatarUri;
-      let changed = false;
-      if (next.name !== nameNext) { next.name = nameNext; changed = true; }
-      if (next.gender !== genderNext) { next.gender = genderNext; changed = true; }
-      if (next.avatarUri !== avatarUriNext) { next.avatarUri = avatarUriNext; changed = true; }
-      return changed ? next : prev;
-    });
-  }, [userProfileFromRedux]);
+  // 页面聚焦时获取最新用户信息
+  useFocusEffect(
+    React.useCallback(() => {
+      dispatch(fetchMyProfile());
+    }, [dispatch])
+  );
 
+  // 数据格式化函数
   const formatHeight = () => {
-    if (profile.heightCm == null) return '--';
-    return `${Math.round(profile.heightCm)}cm`;
+    if (userProfile.height == null) return '--';
+    return `${Math.round(userProfile.height)}cm`;
   };
 
   const formatWeight = () => {
-    if (profile.weightKg == null) return '--';
-    return `${round(profile.weightKg, 1)}kg`;
+    if (userProfile.weight == null) return '--';
+    return `${Math.round(userProfile.weight * 10) / 10}kg`;
   };
 
-  const formatAge = () => (profile.age ? `${profile.age}岁` : '--');
-
-  const round = (n: number, d = 0) => {
-    const p = Math.pow(10, d); return Math.round(n * p) / p;
+  const formatAge = () => {
+    if (!userProfile.birthDate) return '--';
+    const birthDate = new Date(userProfile.birthDate);
+    const today = new Date();
+    const age = today.getFullYear() - birthDate.getFullYear();
+    return `${age}岁`;
   };
 
+  // 显示名称
+  const displayName = (userProfile.name?.trim()) ? userProfile.name : DEFAULT_MEMBER_NAME;
+
+  // 颜色令牌
+  const colorTokens = colors;
+
   const handleResetOnboarding = () => {
     Alert.alert(
       '重置引导',
@@ -137,7 +94,6 @@ export default function PersonalScreen() {
   };
 
 
-  const displayName = (profile.name && profile.name.trim()) ? profile.name : DEFAULT_MEMBER_NAME;
 
   const handleDeleteAccount = () => {
     Alert.alert(
@@ -172,7 +128,7 @@ export default function PersonalScreen() {
         {/* 头像 */}
         <View style={styles.avatarContainer}>
           <View style={[styles.avatar, { backgroundColor: colorTokens.ornamentAccent }]}>
-            <Image source={{ uri: profile.avatarUri || DEFAULT_AVATAR_URL }} style={{ width: '100%', height: '100%' }} />
+            <Image source={{ uri: userProfile.avatar || DEFAULT_AVATAR_URL }} style={{ width: '100%', height: '100%' }} />
           </View>
         </View>
 
@@ -206,6 +162,7 @@ export default function PersonalScreen() {
     </View>
   );
 
+  // 菜单项组件
   const MenuSection = ({ title, items }: { title: string; items: any[] }) => (
     <View style={[styles.menuSection, { backgroundColor: colorTokens.card }]}>
       <Text style={[styles.sectionTitle, { color: colorTokens.text }]}>{title}</Text>
@@ -216,8 +173,15 @@ export default function PersonalScreen() {
           onPress={item.onPress}
         >
           <View style={styles.menuItemLeft}>
-            <View style={[styles.menuIcon, { backgroundColor: 'rgba(187,242,70,0.12)' }]}>
-              <Ionicons name={item.icon} size={20} color={'#192126'} />
+            <View style={[
+              styles.menuIcon,
+              { backgroundColor: item.isDanger ? 'rgba(255,68,68,0.12)' : 'rgba(187,242,70,0.12)' }
+            ]}>
+              <Ionicons
+                name={item.icon}
+                size={20}
+                color={item.isDanger ? colors.danger : colors.onPrimary}
+              />
             </View>
             <Text style={[styles.menuItemText, { color: colorTokens.text }]}>{item.title}</Text>
           </View>
@@ -237,8 +201,8 @@ export default function PersonalScreen() {
     </View>
   );
 
-  // 动态创建样式
-  const dynamicStyles = {
+  // 动态样式
+  const dynamicStyles = StyleSheet.create({
     editButton: {
       backgroundColor: colors.primary,
       paddingHorizontal: 20,
@@ -246,13 +210,13 @@ export default function PersonalScreen() {
       borderRadius: 20,
     },
     editButtonText: {
-      color: '#192126',
+      color: colors.onPrimary,
       fontSize: 14,
-      fontWeight: '600' as const,
+      fontWeight: '600',
     },
     statValue: {
       fontSize: 18,
-      fontWeight: 'bold' as const,
+      fontWeight: 'bold',
       color: colors.primary,
       marginBottom: 4,
     },
@@ -261,83 +225,80 @@ export default function PersonalScreen() {
       height: 56,
       borderRadius: 28,
       backgroundColor: colors.primary,
-      alignItems: 'center' as const,
-      justifyContent: 'center' as const,
+      alignItems: 'center',
+      justifyContent: 'center',
       shadowColor: colors.primary,
-      shadowOffset: {
-        width: 0,
-        height: 4,
-      },
+      shadowOffset: { width: 0, height: 4 },
       shadowOpacity: 0.3,
       shadowRadius: 8,
       elevation: 8,
     },
-  };
+  });
 
-  const accountItems = [
+  // 菜单项配置
+  const menuSections = [
     {
-      icon: 'flag-outline',
-      iconBg: '#E8F5E8',
-      iconColor: '#4ADE80',
-      title: '目标管理',
-      onPress: () => router.push('/profile/goals' as Href),
+      title: '账户',
+      items: [
+        {
+          icon: 'flag-outline' as const,
+          title: '目标管理',
+          onPress: () => router.push('/profile/goals' as Href),
+        },
+        {
+          icon: 'stats-chart-outline' as const,
+          title: '训练进度',
+        },
+      ],
     },
     {
-      icon: 'stats-chart-outline',
-      iconBg: '#E8F5E8',
-      iconColor: '#4ADE80',
-      title: '训练进度',
-    },
-  ];
-
-  const notificationItems = [
-    {
-      icon: 'notifications-outline',
-      iconBg: '#E8F5E8',
-      iconColor: '#4ADE80',
-      title: '消息推送',
-      type: 'switch',
-    },
-  ];
-
-  const otherItems = [
-    {
-      icon: 'mail-outline',
-      iconBg: '#E8F5E8',
-      iconColor: '#4ADE80',
-      title: '联系我们',
+      title: '通知',
+      items: [
+        {
+          icon: 'notifications-outline' as const,
+          title: '消息推送',
+          type: 'switch' as const,
+        },
+      ],
     },
     {
-      icon: 'shield-checkmark-outline',
-      iconBg: '#E8F5E8',
-      iconColor: '#4ADE80',
-      title: '隐私政策',
+      title: '其他',
+      items: [
+        {
+          icon: 'mail-outline' as const,
+          title: '联系我们',
+        },
+        {
+          icon: 'shield-checkmark-outline' as const,
+          title: '隐私政策',
+        },
+        {
+          icon: 'settings-outline' as const,
+          title: '设置',
+        },
+      ],
     },
     {
-      icon: 'settings-outline',
-      iconBg: '#E8F5E8',
-      iconColor: '#4ADE80',
-      title: '设置',
+      title: '账号与安全',
+      items: [
+        {
+          icon: 'trash-outline' as const,
+          title: '注销帐号',
+          onPress: handleDeleteAccount,
+          isDanger: true,
+        },
+      ],
     },
-  ];
-
-  const securityItems = [
     {
-      icon: 'trash-outline',
-      iconBg: '#FFE8E8',
-      iconColor: '#FF4444',
-      title: '注销帐号',
-      onPress: handleDeleteAccount,
-    },
-  ];
-
-  const developerItems = [
-    {
-      icon: 'refresh-outline',
-      iconBg: '#FFE8E8',
-      iconColor: '#FF4444',
-      title: '重置引导流程',
-      onPress: handleResetOnboarding,
+      title: '开发者',
+      items: [
+        {
+          icon: 'refresh-outline' as const,
+          title: '重置引导流程',
+          onPress: handleResetOnboarding,
+          isDanger: true,
+        },
+      ],
     },
   ];
 
@@ -352,11 +313,9 @@ export default function PersonalScreen() {
         >
           <UserInfoSection />
           <StatsSection />
-          <MenuSection title="账户" items={accountItems} />
-          <MenuSection title="通知" items={notificationItems} />
-          <MenuSection title="其他" items={otherItems} />
-          <MenuSection title="账号与安全" items={securityItems} />
-          <MenuSection title="开发者" items={developerItems} />
+          {menuSections.map((section, index) => (
+            <MenuSection key={index} title={section.title} items={section.items} />
+          ))}
 
           {/* 底部浮动按钮 */}
           <View style={[styles.floatingButtonContainer, { bottom: Math.max(30, tabBarHeight / 2) + (insets?.bottom ?? 0) }]}>
@@ -373,7 +332,6 @@ export default function PersonalScreen() {
 const styles = StyleSheet.create({
   container: {
     flex: 1,
-    backgroundColor: '#F5F5F5', // 浅灰色背景
   },
   safeArea: {
     flex: 1,
@@ -381,18 +339,13 @@ const styles = StyleSheet.create({
   scrollView: {
     flex: 1,
     paddingHorizontal: 20,
-    backgroundColor: '#F5F5F5',
   },
   // 用户信息区域
   userInfoCard: {
     borderRadius: 16,
     marginBottom: 20,
-    backgroundColor: '#FFFFFF',
     shadowColor: '#000',
-    shadowOffset: {
-      width: 0,
-      height: 2,
-    },
+    shadowOffset: { width: 0, height: 2 },
     shadowOpacity: 0.08,
     shadowRadius: 6,
     elevation: 3,
@@ -409,57 +362,26 @@ const styles = StyleSheet.create({
     width: 80,
     height: 80,
     borderRadius: 40,
-    backgroundColor: '#E8D4F0',
     alignItems: 'center',
     justifyContent: 'center',
     overflow: 'hidden',
   },
-  avatarContent: {
-    width: '100%',
-    height: '100%',
-    alignItems: 'center',
-    justifyContent: 'center',
-  },
-  avatarIcon: {
-    alignItems: 'center',
-    justifyContent: 'center',
-  },
-  avatarFace: {
-    width: 25,
-    height: 25,
-    borderRadius: 12.5,
-    backgroundColor: '#D4A574',
-    marginBottom: 5,
-  },
-  avatarBody: {
-    width: 30,
-    height: 20,
-    borderRadius: 15,
-    backgroundColor: '#F4C842',
-  },
   userDetails: {
     flex: 1,
   },
   userName: {
     fontSize: 18,
     fontWeight: 'bold',
-    color: '#192126',
     marginBottom: 4,
   },
-
-  // 统计信息区域
   statsContainer: {
     flexDirection: 'row',
     justifyContent: 'space-between',
-    backgroundColor: '#FFFFFF',
     borderRadius: 16,
     padding: 20,
     marginBottom: 20,
     shadowColor: '#000',
-    shadowOffset: {
-      width: 0,
-      height: 2,
-    },
+    shadowOffset: { width: 0, height: 2 },
     shadowOpacity: 0.1,
     shadowRadius: 4,
     elevation: 3,
@@ -471,19 +393,15 @@ const styles = StyleSheet.create({
 
   statLabel: {
     fontSize: 12,
-    color: '#687076',
   },
-  // 菜单区域
   menuSection: {
     marginBottom: 20,
-    backgroundColor: '#FFFFFF',
     padding: 16,
     borderRadius: 16,
   },
   sectionTitle: {
     fontSize: 20,
     fontWeight: '800',
-    color: '#192126',
     marginBottom: 12,
     paddingHorizontal: 4,
   },
@@ -511,7 +429,6 @@ const styles = StyleSheet.create({
   },
   menuItemText: {
     fontSize: 16,
-    color: '#192126',
     flex: 1,
   },
   switch: {