Rabbit won't start

Hello, the add-on worked when I first installed it, but now it isn't working. It just hangs; the chat screen doesn't appear. I uninstalled and reinstalled it, but it didn't fix the problem.

<img width="1347" height="983" alt="Image" src="https://github.com/user-attachments/assets/a47f4e4d-27cd-4eca-8b9c-a0b481ac514e" />