update

frontend/package.json

@@ -9,12 +9,13 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@dagrejs/dagre": "^3.0.0",
+    "@vue-flow/core": "^1.48.2",
     "dompurify": "^3.4.7",
     "highlight.js": "^11.11.1",
     "katex": "^0.17.0",
     "marked": "^18.0.4",
     "marked-highlight": "^2.2.4",
-    "mermaid": "^11.15.0",
     "vue": "^3.5.32"
   },
   "devDependencies": {