[BUG] 2.1.76 wraps horizontal lines in wide terminal window

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

See how horizontal lines wrap messing up the overall layout:

<img width="1784" height="317" alt="Image" src="https://github.com/user-attachments/assets/c650dc7b-5a80-4859-97ae-b055c23cb945" />

FUCKING ANNYOING PIECE OF SHIT

What Should Happen?

F

Error Messages/Logs

U

Steps to Reproduce

C

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.76

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

K