캐드 지원 추가

packages/frontend/src/main.ts

@@ -3,4 +3,14 @@ import App from './App.vue';
 import router from './router';
 import './styles.css';
 
-createApp(App).use(router).mount('#app');
+const app = createApp(App);
+let cadI18nInstalled = false;
+
+router.beforeEach(async (to) => {
+  if (to.name !== 'cad-viewer' || cadI18nInstalled) return;
+  const { i18n } = await import('@mlightcad/cad-viewer');
+  app.use(i18n);
+  cadI18nInstalled = true;
+});
+
+app.use(router).mount('#app');