feat: 更新隐私同意弹窗和应用名称

- 将应用名称修改为“每日普拉提”，提升品牌识别度
- 新增隐私同意弹窗，确保用户在使用应用前同意隐私政策
- 更新 Redux 状态管理，添加隐私同意状态的处理
- 优化用户信息页面，确保体重和身高的格式化显示
- 更新今日训练页面标题为“快速训练”，提升用户体验
- 添加开发工具函数，便于测试隐私同意功能

app/(tabs)/explore.tsx

@@ -29,6 +29,7 @@ export default function ExploreScreen() {
   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());
@@ -163,16 +164,6 @@ export default function ExploreScreen() {
             })}
           </ScrollView>
 
-          {/* 打卡入口 */}
-          <View style={{ flexDirection: 'row', justifyContent: 'space-between', alignItems: 'center', marginTop: 24, marginBottom: 8 }}>
-            <Text style={styles.sectionTitle}>每日报告</Text>
-            <TouchableOpacity onPress={() => router.push('/checkin/calendar')} accessibilityRole="button">
-              <Text style={{ color: '#6B7280', fontWeight: '700' }}>查看打卡日历</Text>
-            </TouchableOpacity>
-          </View>
-
-          {/* 取消卡片内 loading，保持静默刷新提升体验 */}
-
           {/* 指标行：左大卡（训练时间），右两小卡（消耗卡路里、步数） */}
           <View style={styles.metricsRow}>
             <View style={[styles.trainingCard, styles.metricsLeft]}>
@@ -230,8 +221,8 @@ export default function ExploreScreen() {
 
           {/* BMI 指数卡片 */}
           <BMICard
-            weight={userProfile?.weight}
-            height={userProfile?.height}
+            weight={userProfile?.weight ? parseFloat(userProfile.weight) : undefined}
+            height={userProfile?.height ? parseFloat(userProfile.height) : undefined}
           />
         </ScrollView>
       </SafeAreaView>

app/(tabs)/index.tsx

@@ -301,7 +301,10 @@ export default function HomeScreen() {
               >
                 <View style={styles.featureIconWrapper}>
                   <View style={styles.featureIconPlaceholder}>
-                    <ThemedText style={styles.featureIconText}>💪</ThemedText>
+                  <Image
+                    source={require('@/assets/images/icons/iconPlan.png')}
+                    style={styles.featureIconImage}
+                  />
                   </View>
                 </View>
                 <ThemedText style={styles.featureTitle}>计划管理</ThemedText>

app/(tabs)/personal.tsx

@@ -45,12 +45,12 @@ export default function PersonalScreen() {
   // 数据格式化函数
   const formatHeight = () => {
     if (userProfile.height == null) return '--';
-    return `${Math.round(userProfile.height)}cm`;
+    return `${parseFloat(userProfile.height).toFixed(1)}cm`;
   };
 
   const formatWeight = () => {
     if (userProfile.weight == null) return '--';
-    return `${Math.round(userProfile.weight * 10) / 10}kg`;
+    return `${parseFloat(userProfile.weight).toFixed(1)}kg`;
   };
 
   const formatAge = () => {

app/_layout.tsx

@@ -4,22 +4,60 @@ import { Stack } from 'expo-router';
 import { StatusBar } from 'expo-status-bar';
 import 'react-native-reanimated';
 
-import { useAppDispatch } from '@/hooks/redux';
+import PrivacyConsentModal from '@/components/PrivacyConsentModal';
+import { useAppDispatch, useAppSelector } from '@/hooks/redux';
 import { useColorScheme } from '@/hooks/useColorScheme';
 import { clearAiCoachSessionCache } from '@/services/aiCoachSession';
 import { store } from '@/store';
-import { rehydrateUser } from '@/store/userSlice';
+import { rehydrateUser, setPrivacyAgreed } from '@/store/userSlice';
 import React from 'react';
+import RNExitApp from 'react-native-exit-app';
+
 import { Provider } from 'react-redux';
 
 function Bootstrapper({ children }: { children: React.ReactNode }) {
   const dispatch = useAppDispatch();
+  const { privacyAgreed } = useAppSelector((state) => state.user);
+  const [showPrivacyModal, setShowPrivacyModal] = React.useState(false);
+  const [userDataLoaded, setUserDataLoaded] = React.useState(false);
+
   React.useEffect(() => {
-    dispatch(rehydrateUser());
+    const loadUserData = async () => {
+      await dispatch(rehydrateUser());
+      setUserDataLoaded(true);
+    };
+    
+    loadUserData();
     // 冷启动时清空 AI 教练会话缓存
     clearAiCoachSessionCache();
   }, [dispatch]);
-  return <>{children}</>;
+
+  React.useEffect(() => {
+    // 当用户数据加载完成后，检查是否需要显示隐私同意弹窗
+    if (userDataLoaded && !privacyAgreed) {
+      setShowPrivacyModal(true);
+    }
+  }, [userDataLoaded, privacyAgreed]);
+
+  const handlePrivacyAgree = () => {
+    dispatch(setPrivacyAgreed());
+    setShowPrivacyModal(false);
+  };
+
+  const handlePrivacyDisagree = () => {
+    RNExitApp.exitApp();  
+  };
+
+  return (
+    <>
+      {children}
+      <PrivacyConsentModal
+        visible={showPrivacyModal}
+        onAgree={handlePrivacyAgree}
+        onDisagree={handlePrivacyDisagree}
+      />
+    </>
+  );
 }
 
 export default function RootLayout() {

app/workout/today.tsx

@@ -427,7 +427,7 @@ export default function TodayWorkoutScreen() {
 
       <SafeAreaView style={styles.contentWrapper}>
         <HeaderBar
-          title="今日训练"
+          title="快速训练"
           onBack={() => router.back()}
           withSafeTop={false}
           transparent={true}