Worktree development is unusable

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

26.311.21342

What subscription do you have?

Plus

What platform is your computer?

Microsoft Windows NT 10.0.26100.0 x64

What issue are you seeing?

When selecting the worktree option for a new thread the location cannot be discovered and breaks various parts of the app.

<img width="1469" height="630" alt="Image" src="https://github.com/user-attachments/assets/7e4ac4bc-1e54-49b3-9e12-dc30b0d640f6" />

<img width="830" height="185" alt="Image" src="https://github.com/user-attachments/assets/fc857728-a0b8-41f4-aad1-76c3579b1713" />

<img width="598" height="598" alt="Image" src="https://github.com/user-attachments/assets/855eca6d-44e6-482d-82b3-11c71df1020c" />

<img width="1540" height="918" alt="Image" src="https://github.com/user-attachments/assets/35b8ba38-5f19-47dc-869c-d2bf2fda30aa" />

What steps can reproduce the bug?

1. Start a new thread with the Worktree option instead of the Local option
2. Instruct a model to interact with the filesystem in any way like creating a new file
3. Observe

What is the expected behavior?

_No response_

Additional information

The root cause is https://github.com/openai/codex/issues/10347