add interface

app/login/page.tsx

@@ -5,6 +5,27 @@ import { useGoogleLogin } from "@react-oauth/google";
 import { useTheme } from 'next-themes';
 import { Sun, Moon } from 'lucide-react'; // Optional: install lucide-react for clean icons
 
+interface GoogleAuthResponse {
+  access_token: string;
+  token_type: string;
+  expires_in: number;
+  scope: string;
+  authuser?: string;
+  prompt?: string;
+}
+
+interface KeycloakTokenResponse {
+  access_token: string;
+  expires_in: number;
+  refresh_expires_in: number;
+  refresh_token: string;
+  token_type: string;
+  id_token?: string;
+  "not-before-policy": number;
+  session_state: string;
+  scope: string;
+}
+
 export default function AppleStyleAuth() {
   const [email, setEmail] = useState("");
   const [password, setPassword] = useState("");