[BUG] Weird outputs in the terminal

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?

I've been getting weird outputs in the terminal. Formatting issues and responses that render like this:

<img width="1476" height="529" alt="Image" src="https://github.com/user-attachments/assets/bfcb4016-f47d-409d-b6b6-44efc2d4720e" />

What Should Happen?

It should render like normal, well structured outputs.

Error Messages/Logs

Steps to Reproduce

Simply run Claude Code and start a conversation.

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.0.73

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_