fix: 다운로드 정보 없을 때 준비중 메시지 표시

404 응답 시 컴포넌트가 사라지는 대신 안내 문구 노출

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/DownloadSection.css

@@ -38,3 +38,9 @@
   opacity: 0.9;
   transform: translateY(-1px);
 }
+
+.download-preparing {
+  font-size: 0.9rem;
+  color: rgba(255, 255, 255, 0.4);
+  margin: 0;
+}

src/components/DownloadSection.jsx

@@ -6,11 +6,14 @@ import './DownloadSection.css';
 
 export default function DownloadSection() {
   const [info, setInfo] = useState(null);
+  const [ready, setReady] = useState(false);
   const { user } = useAuth();
   const navigate = useNavigate();
 
   useEffect(() => {
-    getDownloadInfo().then(setInfo);
+    getDownloadInfo()
+      .then((data) => { setInfo(data); setReady(true); })
+      .catch(() => setReady(true));
   }, []);
 
   const handleDownload = (e) => {
@@ -20,18 +23,24 @@ export default function DownloadSection() {
     }
   };
 
-  if (!info) return null;
+  if (!ready) return null;
 
   return (
     <section className="download-section">
       <div className="download-content">
         <h2 className="download-title">게임 런처 다운로드</h2>
+        {info ? (
+          <>
             <p className="download-meta">
               {info.fileName} &middot; {info.fileSize} &middot; {info.version}
             </p>
             <a href={info.url} download onClick={handleDownload} className="btn-download">
               {user ? '다운로드' : '로그인 후 다운로드'}
             </a>
+          </>
+        ) : (
+          <p className="download-preparing">런처 준비 중입니다. 잠시 후 다시 확인해주세요.</p>
+        )}
       </div>
     </section>
   );