[BUG] Terminal-setup cannot be run from windows-terminal, instead use Windows 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?

pretty self explanatory tbh, the command doesn't function properly

What Should Happen?

the command should run and enable shift+enter behavior on windows terminal

Error Messages/Logs

Steps to Reproduce

1. run /terminal-setup within windows terminal
2. profit

Claude Model

Other

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.100

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

<img width="898" height="616" alt="Image" src="https://github.com/user-attachments/assets/00d19eeb-7136-44f9-b914-3ff8aa21c2db" />