chore: add deployment config

src/app/providers.tsx

@@ -1,14 +1,14 @@
-// src/app/providers.tsx
 'use client';
 
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
 import { useState } from 'react';
+// 🎨 UX 개선: 알림 라이브러리 추가
+import { Toaster } from 'react-hot-toast';
 
 export default function Providers({ children }: { children: React.ReactNode }) {
   const [queryClient] = useState(() => new QueryClient({
     defaultOptions: {
       queries: {
-        // 창을 다시 눌렀을 때 불필요한 재요청 방지
         refetchOnWindowFocus: false,
         retry: 1,
       },
@@ -18,6 +18,23 @@ export default function Providers({ children }: { children: React.ReactNode }) {
   return (
     <QueryClientProvider client={queryClient}>
       {children}
+      {/* 🎨 전역 알림 컴포넌트 배치 (상단 중앙) */}
+      <Toaster 
+        position="top-center"
+        toastOptions={{
+          style: {
+            background: '#333',
+            color: '#fff',
+            fontSize: '14px',
+          },
+          success: {
+            iconTheme: {
+              primary: '#4ade80',
+              secondary: '#fff',
+            },
+          },
+        }}
+      />
     </QueryClientProvider>
   );
 }