[BUG] Claude 2.1.0 not working at all!

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?

I updated and now I get

<img width="742" height="94" alt="Image" src="https://github.com/user-attachments/assets/e9290904-c10d-4104-b8e7-258631c78556" />

What Should Happen?

claude should start

Error Messages/Logs

Steps to Reproduce

performed npm install

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.0

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Windows Terminal

Additional Information

_No response_