[BUG] UI issue in claude desktop app for mac

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?

UI issues when I open the left side panel and when resizing screen on claude desktop chat app

<img width="1243" height="486" alt="Image" src="https://github.com/user-attachments/assets/830b2cd6-e38f-4386-bb94-9d51d0645cb8" />
<img width="1261" height="354" alt="Image" src="https://github.com/user-attachments/assets/508cdb17-28d6-47ab-9ae2-5598c9de12d1" />
<img width="944" height="495" alt="Image" src="https://github.com/user-attachments/assets/1956eea3-c1b4-49c3-8372-035866038ad6" />
<img width="757" height="226" alt="Image" src="https://github.com/user-attachments/assets/eaecb1cd-d9ae-4f9d-9966-ac35f85134cd" />

What Should Happen?

Text should expand correctly and not get cut off

Error Messages/Logs

No error message. see screenshots

Steps to Reproduce

N/A. See scrheenshots where I tyr resizing to various widths

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude 1.3109.0 (35cbf6) 2026-04-16T20:32:01.000Z

Platform

Other

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_