[BUG] Error while trying to edit previously created agent in claude-code

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?

Error while trying to edit previously created agent in claude-code
Environment info: linux, gnome-terminal,

What Should Happen?

be able to open .md file?

Error Messages/Logs

Steps to Reproduce

1. create an agent, project, general
2. back to top, try to edit agent>open in editor
3. command failed

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

v2.0.54

Platform

Anthropic API

Operating System

Ubuntu/Debian Linux

Terminal/Shell

Other

Additional Information

<img width="729" height="197" alt="Image" src="https://github.com/user-attachments/assets/2c098d1c-fefc-45a0-bbe9-93715e4ac189" />