New codex model sometimes switches git branch

What version of Codex is running?

0.36

Which model were you using?

gpt-5-high-codex

What platform is your computer?

_No response_

What steps can reproduce the bug?

Codex CLI was running was in a separate worktree, but then switched into the main branch and made conflicting changes.

What is the expected behavior?

DO NOT GO TO ANOTHER GIT BRANCH

What do you see instead?

_No response_

Additional information

_No response_