init

frontend/app/providers.tsx

@@ -0,0 +1,22 @@
+'use client'
+
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+import { useState } from 'react'
+
+export function Providers({ children }: { children: React.ReactNode }) {
+  const [queryClient] = useState(
+    () =>
+      new QueryClient({
+        defaultOptions: {
+          queries: {
+            staleTime: 60 * 1000, // 1 minute
+            refetchOnWindowFocus: false,
+          },
+        },
+      })
+  )
+
+  return (
+    <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
+  )
+}