[bug] stream disconnected before completion returned when the request is sent

What version of Codex CLI is running?

0.123.0

What subscription do you have?

Pro

Which model were you using?

gpt-5.4 high fast

What platform is your computer?

Darwin 25.4.0 arm64 arm

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

Ghostty

What issue are you seeing?

Sending the request shows the issue:

stream disconnected before completion: An error occurred while
processing your request. You can retry your request, or contact us
through our help center at help.openai.com if the error persists.
Please include the request ID 9a43a82f-c7d6-4b1a-9a2b-8f0f2231c475 in
your message.

What steps can reproduce the bug?

Uploaded thread: 019db940-8bbe-70f3-ae92-34ffc8991088

What is the expected behavior?

_No response_

Additional information

_No response_