### What problem does this feature solve? <img width="1736" height="1000" alt="Image" src="https://github.com/user-attachments/assets/2ee4b2b1-3c16-4757-ac40-5e88ef8af137" /> ### What does the proposed API look like? 希望实现aiinput的时候不删除掉之前的信息,在后面追加