fix(calendar-lab): use local tldraw runtime to avoid react/cdn instance mismatch

frontend/package.json

@@ -46,7 +46,10 @@
     "langfuse": "^3.38.6",
     "langsmith": "^0.5.4",
     "nuxt": "^4.3.1",
+    "react": "^19.2.4",
+    "react-dom": "^19.2.4",
     "tailwindcss": "^4.1.18",
+    "tldraw": "^4.4.0",
     "vue": "^3.5.27",
     "wavesurfer.js": "^7.12.1",
     "y-prosemirror": "^1.3.7",
@@ -66,6 +69,7 @@
     "@storybook/vue3-vite": "^8.6.17",
     "prisma": "^6.16.1",
     "storybook": "^8.6.17",
-    "tsx": "^4.20.5"
+    "tsx": "^4.20.5",
+    "vite": "^7.3.1"
   }
 }