It would be great if `<PromptInputAttachments />` would support attachment action buttons similar to how Cursor's `@` action button works <img width="623" height="144" alt="Image" src="https://github.com/user-attachments/assets/0380446f-ad33-48fe-ae22-d6b4eb63405d" /> <img width="302" height="400" alt="Image" src="https://github.com/user-attachments/assets/8a4761c6-051f-4108-ae92-d0694799a888" />