[BUG] always generate "tmpclaude-xxxx-cmd" file in the working directory

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?

In the latest version, it always generate a "tmpclaude-xxxx-cmd" file (e.g. tmpclaude-e47b-cmd) in the working directory. I did not see it in the previous version, please do not create it in my working directory.

What Should Happen?

Should not create it in the working directory automatically.

Error Messages/Logs

Steps to Reproduce

Run a prompt in the Claude Code, then it will generate tmpclaude-xxxx-cmd in the current working directory.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.6

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_