[BUG ]Output content flashes

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?

Output content flashes ,Sometimes it's all garbled.

What Should Happen?

https://github.com/user-attachments/assets/be242910-1209-4cea-a0f2-3f804768ff67

Error Messages/Logs

Steps to Reproduce

xx

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

1.0.128 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_