[BUG] When using pwsh to open claude code in Windows Terminal, Shift + Enter cannot be used to insert a newline. It is incorrectly recognized as Enter, sending the information out

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?

When using pwsh to open claude code in Windows Terminal, Shift + Enter cannot be used to insert a newline. It is incorrectly recognized as Enter, sending the information out

What Should Happen?

When using pwsh to open claude code in Windows Terminal, Shift + Enter cannot be used to insert a newline. It is incorrectly recognized as Enter, sending the information out

Error Messages/Logs

Steps to Reproduce

When using pwsh to open claude code in Windows Terminal, Shift + Enter cannot be used to insert a newline. It is incorrectly recognized as Enter, sending the information out

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

v2.1.86

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_