[BUG] startup failure: '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?

have re-installed and removed all .claude caches, and the error below persists. the parent directory has no problem launching, but two sub directories are throwing now separate errors on launch, attached below.

<img width="3108" height="995" alt="Image" src="https://github.com/user-attachments/assets/aacc5c17-d2df-4af8-92f5-91d344c5ca0e" />
<img width="530" height="133" alt="Image" src="https://github.com/user-attachments/assets/312ed3dc-b277-45a1-9be5-46d85f8653b3" />

What Should Happen?

cc launches.

Error Messages/Logs

above.

Steps to Reproduce

run claude

Claude Model

Other

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Bun v1.2.19 (macOS arm64)

Platform

Other

Operating System

macOS

Terminal/Shell

iTerm2

Additional Information

_No response_