[BUG] On MSYS2 a 6MB .node file is produced every time Claude uses grep

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?

These .node files seem to be related to ripgrep. They fill the MSYS2 /tmp folder

What Should Happen?

Don't fill the disk.

Error Messages/Logs

Steps to Reproduce

Use Claude code via MSYS2 and ask it to grep. I'm 99% sure that's where these .node files come from.

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.39

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

Cygwin does not appear to be affected.