gpt-5-codex-medium shows reasoning none

What version of Codex is running?

codex-cli 0.42.0

Which model were you using?

gpt-5-codex-medium

What platform is your computer?

Darwin 25.0.0 arm64 arm

What steps can reproduce the bug?

1. /models -> chose gpt-5-codex-medium

1. /status -> shows "reasoning none"

What is the expected behavior?

status should show "reasoning medium"

What do you see instead?

"reasoning none"

Additional information

<img width="679" height="705" alt="Image" src="https://github.com/user-attachments/assets/71ed592a-a4be-4917-aeaf-09a033b84e4e" />