Add admin portal

apps/frontend/src/lib/api/http.ts

@@ -69,6 +69,10 @@ http.interceptors.response.use(
   async (error: AxiosError) => {
     const normalized = normalizeError(error);
 
+    if (normalized.status === 401 && handlers.onUnauthorized) {
+      await handlers.onUnauthorized(normalized);
+    }
+
     if (normalized.status === 403 && handlers.onForbidden) {
       await handlers.onForbidden(normalized);
     }