**使用场景** 例如：在文档结构查看器通过鼠标右键快速展开和收起某层或某几层 右键内容可以像书签这样 <img width="612" height="303" alt="Image" src="https://github.com/user-attachments/assets/4e403985-64e6-4bdd-b60f-08dc8ec6457c" /> <img width="561" height="648" alt="Image" src="https://github.com/user-attachments/assets/ce4442f5-1038-4a7b-a3de-ed391b50aee5" />
