chore: 로그인 화면 라우팅 추가 (Invite)

frontend/src/App.jsx

@@ -13,8 +13,9 @@ function App() {
     <Router>
       <Routes>
         <Route path="/" element={<Login />} />
+        <Route path="/login/:code" element={<Login />} />
         <Route path="/auth/callback" element={<AuthCallback />} />
-
+        <Route path="/auth/callback/:code" element={<AuthCallback />} />
         <Route element={<AppLayout />}>
           <Route path="/home" element={<Home />} />
           <Route path="/invited" element={<Invited />} />

frontend/src/pages/AuthCallback.jsx

@@ -11,10 +11,20 @@ const AuthCallback = () => {
     if (token) {
       localStorage.setItem("access_token", token);
 
+      const code = sessionStorage.getItem("invite-code"); 
+      sessionStorage.removeItem("invite-code"); 
+
       //navigate("/home", { replace: true });
       // OAuth 콜백에서는 window.location 사용
-      window.location.replace("/home");
+      if (code === null) {
+        window.location.replace("/home");
+      }
+      else {
+        window.location.replace(`/invite/${code}`);
+      }
+
     } else {
+      sessionStorage.removeItem("invite-code");
       navigate("/");
     }
   }, []);

frontend/src/pages/Login.jsx

@@ -3,12 +3,14 @@ import { useEffect } from "react";
 import './Login.css';
 import logo from "../assets/logo.png";
 import googleLogo from "../assets/googleLogo.png";
-import { useNavigate } from "react-router-dom";
+import { useNavigate, useParams } from "react-router-dom";
 import { API_BASE_URL } from "../config/api";
 
 const Login = () => {
     const navigate = useNavigate();
 
+    const { code } = useParams();
+
     // 이제 AuthCallback.jsx에서 처리하므로 주석 처리
     // const navigateToHome = () => {
     // navigate("/home");
@@ -27,7 +29,15 @@ const Login = () => {
             const response = await fetch(`${API_BASE_URL}/user/google/login`);
             const data = await response.json();
 
-            window.location.href = data.auth_url;
+            if (!code) {
+                sessionStorage.removeItem("invite-code"); 
+                window.location.href = data.auth_url;
+            }
+            else {
+                sessionStorage.setItem("invite-code", code); 
+                window.location.href = data.auth_url;
+            }
+
         } catch (error) {
             console.error("구글 로그인 실패", error);
         }