[BUG] CLI is unusable

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?

Why is my TUI jittering like it has epilepsy?
Use this tool for more than a couple hours and it turns, um, jittery.

What Should Happen?

Not suck.

Error Messages/Logs

Steps to Reproduce

Use it.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.0.54

Platform

Anthropic API

Operating System

Ubuntu/Debian Linux

Terminal/Shell

Other

Additional Information

just standard ubuntu terminal xfce