Codex not honouring sleep command

What version of Codex CLI is running?

0.96.0

What subscription do you have?

Plus

Which model were you using?

gpt-5.2-codex

What platform is your computer?

Darwin 25.2.0 arm64 arm

What terminal emulator and version are you using (if applicable)?

ghostty

What issue are you seeing?

Codex not honouring sleep command. Eg sleep 300

What steps can reproduce the bug?

Ask to sleep for 300 seconds observe that it runs that in one second and the continues to the next inference run without having been blocked for the specified 300 secons

What is the expected behavior?

It should honour the sleep command to run for however long is specified. sleep 300 should pause for 300 seconds

<img width="1045" height="797" alt="Image" src="https://github.com/user-attachments/assets/c7952f52-06c8-4a4d-b6f4-0c2d2a7906ad" />

As you can see from the screenshot timestamps of the running command, it indeed did not wsait for teh specified amount of time. Nowehere near.

Additional information

_No response_