fix styles and menu

package.json

@@ -9,14 +9,21 @@
   },
   "dependencies": {
     "@monaco-editor/react": "^4.7.0",
+    "@radix-ui/react-context-menu": "^2.2.16",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
     "js-yaml": "^4.1.0",
+    "lucide-react": "^0.577.0",
     "monaco-editor": "^0.55.1",
     "react": "18.2.0",
     "react-dom": "18.2.0",
     "reactflow": "^11.0.0",
-    "shadcn": "^3.8.5"
+    "shadcn": "^3.8.5",
+    "tailwind-merge": "^3.5.0",
+    "tailwindcss-animate": "^1.0.7"
   },
   "devDependencies": {
+    "@types/node": "^25.3.3",
     "@types/react": "^18.0.0",
     "@types/react-dom": "^18.0.0",
     "@vitejs/plugin-react": "^3.0.0",