feat: add wbs and component catalogue workspace

frontend/src/App.vue

@@ -8,6 +8,7 @@ import { AppShellLayout } from './shared/ui/layouts'
       <section><h2>Research</h2><RouterLink to="/research/sell-decision">매도 의사결정</RouterLink></section>
       <section><h2>Portfolio</h2><RouterLink to="/portfolio/risk">포트폴리오 리스크</RouterLink><RouterLink to="/portfolio/rebalance">리밸런싱 제안</RouterLink></section>
       <section><h2>Operations</h2><RouterLink to="/ops/data-quality">데이터 품질</RouterLink><RouterLink to="/ops/market-data-ingestion">시장 데이터 수집</RouterLink><RouterLink to="/ops/market-data-history">수집 이력</RouterLink><RouterLink to="/ops/model-operations">모델 운영</RouterLink></section>
+      <section><h2>Internal</h2><RouterLink to="/internal/wbs">WBS 작업공간</RouterLink><RouterLink to="/internal/ui-standard">컴포넌트 카탈로그</RouterLink></section>
     </nav></template>
     <RouterView />
   </AppShellLayout>