[BUG] Chat history disappears.

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?

[BUG] Chat history disappears. I see the thread title, but then all context from that thread is lost.

What Should Happen?

See old chat threads.

Error Messages/Logs

Steps to Reproduce

none needed, just happens on its own

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

version 2

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_