[BUG] Claude Code silently exits unexpectedly with no error

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 closes itself randomly while working on tasks 5 minutes or longer in length.

What Should Happen?

Exit only with an error or when requested.

Error Messages/Logs

There is no error.

Steps to Reproduce

Use Claude Code.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

Unknown

Claude Code Version

2.1.69

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_