添加图形化界面撤销、复制、粘贴、删除等功能

frontend/package-lock.json

@@ -9,6 +9,7 @@
       "version": "0.1.0",
       "dependencies": {
         "@xyflow/react": "^12.11.2",
+        "lucide-react": "^1.24.0",
         "react": "^19.2.7",
         "react-dom": "^19.2.7"
       },
@@ -1287,6 +1288,15 @@
         "url": "https://opencollective.com/parcel"
       }
     },
+    "node_modules/lucide-react": {
+      "version": "1.24.0",
+      "resolved": "https://registry.npmjs.org/lucide-react/-/lucide-react-1.24.0.tgz",
+      "integrity": "sha512-YT6mBD8lGKkg4nM39enlm94/sfJIiW0YKUT60fBy4YK8tai31ylg1VhGNWxkpSKHo9UagfnZqwIff3HTDQwXeA==",
+      "license": "ISC",
+      "peerDependencies": {
+        "react": "^16.5.1 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
     "node_modules/nanoid": {
       "version": "3.3.15",
       "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.15.tgz",