[BUG] Claude App Mac: left side of the window is cut off, even with sidebar width and zoom changes

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?

Desktop app version: 14.6.1 (23G93)
Your operating system (macOS version)
The exact issue description (left side of the window is cut off, even with sidebar width and zoom changes)

What Should Happen?

<img width="1281" height="912" alt="Image" src="https://github.com/user-attachments/assets/861bbfa2-3674-4a9f-90d7-143a5b86b3fe" />

Error Messages/Logs

Steps to Reproduce

Open Claude App on Mac
Always persistent

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

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_