问题1:deerflow中我已经完成了一个research,如何新建一个会话窗口开始新的研究? <img width="1708" height="867" alt="Image" src="https://github.com/user-attachments/assets/6bf79181-28d6-4805-95cd-31f262972889" /> 问题2:遇到greeting/small talk的时候,前端没有展示回复。这是正常的还是bug <img width="1903" height="926" alt="Image" src="https://github.com/user-attachments/assets/00f1555a-1813-4dd3-bbb7-cf27fcfc57ca" /> <img width="1710" height="868" alt="Image" src="https://github.com/user-attachments/assets/7229d897-c26c-4167-ac39-e865d6cc683c" /> 问题3:在哪里查看历史的研究结果 <img width="1720" height="867" alt="Image" src="https://github.com/user-attachments/assets/74085a1f-8a6f-4c3a-9f3a-2b946c3aef1d" />