Garbled messages when using /review in the experimental Windows sandbox mode

What version of Codex is running?

codex-cli 0.53.0

What subscription do you have?

ChatGPT Plus

Which model were you using?

gpt-5 high

What platform is your computer?

Microsoft Windows NT 10.0.26200.0 x64

What issue are you seeing?

During a /review , it seems the reasoning messages of the model get thrown together with those messages that flash at the bottom while Codex is doing its work and they get repetitive and garbled.

Functionality is normal, it's just the UI that is messed up.

<img width="563" height="63" alt="Image" src="https://github.com/user-attachments/assets/2ccdd861-64da-4b2d-9b4b-661fcafbe39f" />

<img width="414" height="69" alt="Image" src="https://github.com/user-attachments/assets/41b71b16-9528-421e-bdbe-e74f78d5eccf" />

What steps can reproduce the bug?

1. Run Codex in Powershell with the new experimental settings:

codex `
--enable enable_experimental_windows_sandbox `
--sandbox workspace-write `
--ask-for-approval on-request

1. Run /review with any of the options

What is the expected behavior?

Normal message displays

Additional information

_No response_