fix: resolve Expo SDK 54 compatibility issues and React 19 JSX runtime errors

client/app/index.tsx

@@ -2,7 +2,7 @@ import { useEffect } from 'react';
 import { ActivityIndicator, StyleSheet, View } from 'react-native';
 import { useRouter } from 'expo-router';
 
-import { getOnboardingCompleted, getConsentAccepted, setOnboardingCompleted } from '@/src/storage/appStorage';
+import { getOnboardingCompleted, getConsentAccepted } from '@/src/storage/appStorage';
 
 /**
  * 启动分发：根据 consent 和 onboarding 状态跳转
@@ -20,12 +20,6 @@ export default function Index() {
       const consentAccepted = await getConsentAccepted();
       if (cancelled) return;
 
-      if (!consentAccepted) {
-        router.replace('/(splash)/splash');
-        return;
-      }
-      if (cancelled) return;
-
       if (!consentAccepted) {
         router.replace('/(splash)/splash');
         return;