fix(R61): 避免无会话 bootstrap 清理运行时缓存

client/src/auth/AuthContext.tsx

@@ -189,7 +189,6 @@ export function AuthProvider({ children }: PropsWithChildren) {
     setOfflineAccessMode(false);
     writeMustChangePasswordToStorage(false);
     clearOfflineAuthSnapshot();
-    void clearPwaRuntimeCaches();
     setState((previous) => ({
       ...previous,
       accessToken: null,