[BUG] Large number of `git.exe` instances spawning

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?

Whenever I launch claude code in our repository, it starts spawning huge number of git.exe processes doing check-ignore on various paths in the repo.

What Should Happen?

Should not happen.

Error Messages/Logs

Steps to Reproduce

1. git clone https://github.com/unoplatform/uno
2. cd uno
3. claude --dangerously-accept-permissions
4. Let it sit for a whil
5. **Notice that there is a lot of git.exe instances running in the background doing check-ignore

<img width="1261" height="1551" alt="Image" src="https://github.com/user-attachments/assets/346466e7-e14f-4fd6-91fe-1645f71dd81c" />

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.74

Platform

Other

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_