[BUG] /usage won't show usage.

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?

Since I updated to 2.x /usage command stopped working.

<img width="341" height="106" alt="Image" src="https://github.com/user-attachments/assets/85dce063-01b4-44f6-a976-d6b5940efe3a" />

What Should Happen?

Should show usage.

Error Messages/Logs

Steps to Reproduce

/usage

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

pre 2

Claude Code Version

2.0.5

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Other

Additional Information

I use ghostty but does not work on mac terminal too