Submodule not found

I tried to reproduce your repo but got error when installed the environment.yaml with conda:

<img width="778" height="460" alt="Image" src="https://github.com/user-attachments/assets/b50a767e-9773-40a0-b21f-2a35f009a019" />

Look like you forgot to add the submodule or I have done something wrong? 