Claude Code sessions disappeared

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?

3 Claude Code sessions disappeared while idle (went to lunch, came back and they were gone). Desktop app on Windows 11. No crash dialog or error.

What Should Happen?

3 Claude Code sessions disappeared while idle (went to lunch, came back and they were gone). Desktop app on Windows 11. No crash dialog or error.

Error Messages/Logs

No crash dialog or error.

Steps to Reproduce

aaa

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude Code 2.1.56.

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Terminal.app (macOS)

Additional Information

Claude Code 2.1.56.