feat(frontend): Implement HttpOnly cookie authentication and API v1 integration. Update AuthService for cookie-based session management, configure Axios with v1 prefix and credentials, and enhance OIDC callback logic.

frontend/src/App.tsx

@@ -5,6 +5,7 @@ import { LoginForm } from "./components/auth/LoginForm"
 import { RegisterForm } from "./components/auth/RegisterForm"
 import { AuthCallback } from "./components/auth/AuthCallback"
 import { AuthService, type UserResponse } from "./services/auth"
+import { registerUnauthorizedCallback } from "./services/api"
 
 function App() {
   const [isAuthenticated, setIsAuthenticated] = useState(false)
@@ -13,6 +14,12 @@ function App() {
   const [isLoading, setIsLoading] = useState(true)
 
   useEffect(() => {
+    // Register callback to handle session expiration from anywhere in the app
+    registerUnauthorizedCallback(() => {
+      setIsAuthenticated(false)
+      setUser(null)
+    })
+
     const initAuth = async () => {
       try {
         const userData = await AuthService.getMe()