fix: update API URL to use VITE_DEPLOYSTACK_BACKEND_URL in Login and Register components

Author: JasonKrik

services/frontend/src/views/Login.vue

@@ -164,7 +164,7 @@ const onSubmit = form.handleSubmit(async (values) => {
 
 import { getEnv, getAllEnv } from '@/utils/env';
 
-const apiUrl = getEnv('VITE_DEPLOYSTACK_APP_URL');
+const apiUrl = getEnv('VITE_DEPLOYSTACK_BACKEND_URL');
 
 const allEnv = getAllEnv();
 

services/frontend/src/views/Register.vue

@@ -37,7 +37,7 @@ const successMessage = ref('')
 const { t } = useI18n() // Initialize i18n composable
 
 // Get API URL from environment
-const apiUrl = getEnv('VITE_DEPLOYSTACK_APP_URL')
+const apiUrl = getEnv('VITE_DEPLOYSTACK_BACKEND_URL')
 
 // Define validation schema using Zod
 const formSchema = toTypedSchema(