feat: update admin

frontend/admin/src/api/httpClient.js

@@ -1,6 +1,6 @@
-import router from '@/router';
 import { useAuthStore } from '@/stores/auth';
 import axios from 'axios';
+import { useRouter } from 'vue-router';
 
 // Create axios instance with default config
 const httpClient = axios.create({
@@ -37,6 +37,8 @@ httpClient.interceptors.response.use(
             if (error.response.status === 401) {
                 const authStore = useAuthStore();
                 authStore.logout();
+                const router = useRouter();
+                // Redirect to login page
                 router.push('/login');
             }
             console.error('API Error:', error.response.status, error.response.data);