다이어그램 지원 추가

packages/frontend/package.json

@@ -9,11 +9,17 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@excalidraw/excalidraw": "^0.18.1",
     "@rhwp/editor": "^0.7.18",
+    "mermaid": "^11.16.0",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
     "vue": "^3.5.13",
     "vue-router": "^4.5.0"
   },
   "devDependencies": {
+    "@types/react": "^19.2.17",
+    "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-vue": "^5.2.1",
     "typescript": "^5.8.2",
     "vite": "^6.2.2",