feat: 添加教练功能和更新用户界面

- 新增教练页面，用户可以与教练进行互动和咨询
- 更新首页，切换到教练 tab 并传递名称参数
- 优化个人信息页面，添加注销帐号和退出登录功能
- 更新隐私政策和用户协议的链接，确保用户在使用前同意相关条款
- 修改今日训练页面标题为“开始训练”，提升用户体验
- 删除不再使用的进度条组件，简化代码结构

components/PlanCard.tsx

@@ -1,4 +1,4 @@
-import { ProgressBar } from '@/components/ProgressBar';
+
 import React from 'react';
 import { Image, StyleSheet, Text, View } from 'react-native';
 
@@ -9,10 +9,9 @@ type PlanCardProps = {
   title: string;
   subtitle: string;
   level?: Level;
-  progress: number; // 0 - 1
 };
 
-export function PlanCard({ image, title, subtitle, level, progress }: PlanCardProps) {
+export function PlanCard({ image, title, subtitle, level }: PlanCardProps) {
   return (
     <View style={styles.card}>
       <Image source={{ uri: image }} style={styles.image} />
@@ -27,10 +26,6 @@ export function PlanCard({ image, title, subtitle, level, progress }: PlanCardPr
 
         <Text style={styles.title}>{title}</Text>
         <Text style={styles.subtitle}>{subtitle}</Text>
-
-        <View style={styles.progressWrapper}>
-          <ProgressBar progress={progress} showLabel={true} />
-        </View>
       </View>
     </View>
   );
@@ -86,9 +81,6 @@ const styles = StyleSheet.create({
     fontSize: 12,
     color: '#B1B6BD',
   },
-  progressWrapper: {
-    marginTop: 18,
-  },
 });
 
 

components/PrivacyConsentModal.tsx

@@ -1,12 +1,13 @@
-import { router } from 'expo-router';
+import { PRIVACY_POLICY_URL, USER_AGREEMENT_URL } from '@/constants/Agree';
 import React from 'react';
 import {
-    Dimensions,
-    Modal,
-    StyleSheet,
-    Text,
-    TouchableOpacity,
-    View
+  Dimensions,
+  Linking,
+  Modal,
+  StyleSheet,
+  Text,
+  TouchableOpacity,
+  View
 } from 'react-native';
 
 const { width } = Dimensions.get('window');
@@ -23,11 +24,11 @@ export default function PrivacyConsentModal({
   onDisagree,
 }: PrivacyConsentModalProps) {
   const handleUserAgreementPress = () => {
-    router.push('/legal/user-agreement');
+    Linking.openURL(USER_AGREEMENT_URL);
   };
 
   const handlePrivacyPolicyPress = () => {
-    router.push('/legal/privacy-policy');
+    Linking.openURL(PRIVACY_POLICY_URL);
   };
 
   return (

components/ui/IconSymbol.tsx

@@ -19,6 +19,7 @@ const MAPPING = {
   'chevron.left.forwardslash.chevron.right': 'code',
   'chevron.right': 'chevron-right',
   'person.fill': 'person',
+  'person.3.fill': 'people',
 } as IconMapping;
 
 /**