Codex cannot count line diff properly

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

26.506.21252

What subscription do you have?

Monthly

What platform is your computer?

Windows 11

What issue are you seeing?

Codex shows +8 - 5 on the chat but correctly shows +8 -9 on the side

<img width="1545" height="879" alt="Image" src="https://github.com/user-attachments/assets/2b98d663-48b5-46b4-9509-73d63a4223a3" />

What steps can reproduce the bug?

I asked it to update styles. I'm not sure when it displays the wrong line count. Maybe it ran formatting after counting?

Also, your instructions for Win powershell to get OS version do not work:

<img width="1093" height="230" alt="Image" src="https://github.com/user-attachments/assets/ff482d1e-01f8-4de5-83b7-6f0d0baca284" />

What is the expected behavior?

_No response_

Additional information

_No response_