[BUG] claude code non funziona dopo esecuzione /model opusplan

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?

Claude Code Pro plan, v2.1.81, tutti i modelli danno "There's an issue with the selected model", claude.ai funziona

What Should Happen?

eseguire i comandi

Error Messages/Logs

● There's an issue with the selected model (claude-sonnet-4-6). It may not exist or you may not have access to it. Run /model to
  pick a different model.

Steps to Reproduce

● There's an issue with the selected model (claude-sonnet-4-6). It may not exist or you may not have access to it. Run /model to
pick a different model.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.81

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_