todo没有展示上限，导致占用了大半个显示区域

### What feature would you like to see?

#[]

<img width="2560" height="1540" alt="Image" src="https://github.com/user-attachments/assets/5eca5135-1503-4202-9ad3-976323ff1575" />

### Additional information

todo list太多的情况下，没有折叠，占用了太多的显示区域

<img width="2560" height="1540" alt="Image" src="https://github.com/user-attachments/assets/bd01fbde-f55e-47d0-8588-72ec951edb98" />