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/_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() {