[BUG] Bash (dir/b "C: \ FilePackage") error Path contains null bytes

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?

Open claude in any working directory and ask it to explain the current project. When executing Bash (dir/b "xxx"), there will be an error message "Path contains null bytes". I have checked and there are no empty characters in the path

What Should Happen?

<img width="633" height="336" alt="Image" src="https://github.com/user-attachments/assets/25c1d58f-df65-4446-863d-3377954c537e" />

Error Messages/Logs

Steps to Reproduce

解释一下这个项目

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.152

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_