feat(flowEditor): 为边缘添加节点按钮增加鼠标悬停动画

src/pages/flowEditor/components/edgeAddNodeButton.tsx

@@ -39,7 +39,14 @@ const EdgeAddNodeButton: React.FC<EdgeAddNodeButtonProps> = ({
           justifyContent: 'center',
           backgroundColor: '#1890ff', // 使用项目主题蓝色
           borderColor: '#1890ff',
-          color: '#ffffff'
+          color: '#ffffff',
+          transition: 'transform 0.2s ease' // 添加过渡动画
+        }}
+        onMouseEnter={(e) => {
+          e.currentTarget.style.transform = 'scale(1.5)';
+        }}
+        onMouseLeave={(e) => {
+          e.currentTarget.style.transform = 'scale(1)';
         }}
       />
     </div>