decompose structure

src/app/providers.tsx

@@ -0,0 +1,21 @@
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
+import type { PropsWithChildren } from 'react';
+import { AuthProvider } from '../auth/AuthProvider';
+
+const queryClient = new QueryClient({
+  defaultOptions: {
+    queries: {
+      staleTime: 1_000,
+      retry: 1,
+      refetchOnWindowFocus: false,
+    },
+  },
+});
+
+export function AppProviders({ children }: PropsWithChildren) {
+  return (
+    <QueryClientProvider client={queryClient}>
+      <AuthProvider>{children}</AuthProvider>
+    </QueryClientProvider>
+  );
+}