Cowork layout broken on MacBook Pro 15" 2018 - content clipped/cut off

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?

App version: Claude for Mac 1.3109.0 (35cbf6)
macOS: 15.7.4 (24G517)
Hardware: MacBook Pro 15-inch 2018, Intel Core i9, Intel UHD Graphics 630
Resolution: 1280x800

Bug: The Cowork interface renders with the layout clipped. Text appears cut in half horizontally and the main content area is not visible. The UI only partially improves when the window height is minimized and width is maximized, but it remains unusable.

What Should Happen?

The Cowork layout should render correctly and be fully usable on MacBook Pro 15" 2018 at 1280x800 resolution without any clipping or cut-off content.

Error Messages/Logs

Steps to Reproduce

1. Open Cowork app on MacBook Pro 15" 2018 with resolution 1280x800
2. Launch with default window size
3. Content panel appears clipped from the left edge

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

1.3109.0 (35cbf6)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

Already tried: Reinstall app, change resolution to 1440x900, force quit and restart. Issue persists.

Note: Claude Desktop app works correctly on the same machine.