Can not change model or reasoning effort for new thread

What version of the Codex App are you using (From “About Codex” dialog)?

26.415.40636

What subscription do you have?

Business

What platform is your computer?

Microsoft Windows 10.0.26200

What issue are you seeing?

Can not change model or reasoning effort for new thread

<img width="1386" height="628" alt="Image" src="https://github.com/user-attachments/assets/5d9c2670-6869-4e81-a633-b6c3d8db8967" />

What steps can reproduce the bug?

1. open codex desktop app, enter home page
2. click buttons that change model or reasoning effort
3. model or reasoning effort does not change

What is the expected behavior?

_No response_

Additional information

_No response_