MacOS user input markdown code block render bug

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

26.707.31428

What subscription do you have?

ChatGPT Pro 20x

What platform is your computer?

Darwin 25.5.0 arm64 arm

What issue are you seeing?

https://github.com/user-attachments/assets/132006a8-5137-46bb-b5cf-ce59f699bf75

Collapsed markdown code block render issue in user input chat bubble. (it is ok when expanded)

What steps can reproduce the bug?

Input markdown code block.

e.g.:

content

What is the expected behavior?

Render without glitch

Additional information

_No response_