[BUG] Messy display in Claude Code CLI latest version Windows Powershell

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?

Hello Team,

I having display problems using latest version of Claude Code CLI under Windows 11 Powershell.
See screen capture.

All the best!

What Should Happen?

Command line prompts should be nicely formed.

Error Messages/Logs

Steps to Reproduce

type in any prompt

Claude Model

Opus

Is this a regression?

No, this never worked

Last Working Version

2.0.76

Claude Code Version

2.1.2

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

<img width="1473" height="747" alt="Image" src="https://github.com/user-attachments/assets/bdd36120-9c0a-4a05-bbec-a33dff236b81" />