The mode picker will be blank in preference page when workspace contains 'remote' FS project.

Open the agent definition, click configure tools code lens

<img width="1613" height="1045" alt="Image" src="https://github.com/user-attachments/assets/f4fb644c-8bc3-4c97-bd0e-dcb09aca7206" />

Open the dropdown, it only contains agent mode

<img width="867" height="55" alt="Image" src="https://github.com/user-attachments/assets/f34941c2-dcd9-41e3-94e5-7806d9b03f03" />