fix: store refreshToken on login for proper auth flow

frontend/src/context/AuthContext.tsx

@@ -10,7 +10,7 @@ interface User {
 
 interface AuthContextType {
     user: User | null;
-    login: (token: string, user: User) => void;
+    login: (accessToken: string, refreshToken: string, user: User) => void;
     logout: () => void;
     isLoading: boolean;
 }
@@ -37,13 +37,17 @@ export const AuthProvider = ({ children }: { children: React.ReactNode }) => {
         }
     }, []);
 
-    const login = (token: string, newUser: User) => {
-        localStorage.setItem('token', token);
+    const login = (accessToken: string, refreshToken: string, newUser: User) => {
+        localStorage.setItem('token', accessToken);
+        localStorage.setItem('refreshToken', refreshToken);
+        localStorage.setItem('user', JSON.stringify(newUser));
         setUser(newUser);
     };
 
     const logout = () => {
         localStorage.removeItem('token');
+        localStorage.removeItem('refreshToken');
+        localStorage.removeItem('user');
         setUser(null);
     };
 

frontend/src/pages/LoginPage.tsx

@@ -25,7 +25,7 @@ export default function LoginPage() {
 
         try {
             const { data } = await api.post('/auth/login', { email, password });
-            login(data.accessToken, data.user);
+            login(data.accessToken, data.refreshToken, data.user);
             navigate('/');
         } catch (err: any) {
             setError(err.response?.data?.message || 'Login failed');