[BUG] SIGABRT crash on macOS 11.5.2 with Claude Code 2.0.21 (works on 2.0.9)

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?

VS Code Plugin: Error: Claude Code process terminated by signal SIGABRT

What Should Happen?

Claude Code process crashes immediately with SIGABRT signal on startup.

Error Messages/Logs

Steps to Reproduce

Environment

• Claude Code Version: 2.0.21
• VSCode Version: 1.105.0
• OS: macOS 11.5.2 (Big Sur, Darwin 20.6.0)

## Description
Claude Code process crashes immediately with SIGABRT signal on startup.

## Steps to Reproduce

1. Install Claude Code 2.0.21
2. Open VSCode
3. Try to use Claude Code
4. Process terminates with: Error: Claude Code process terminated by signal SIGABRT

## Workaround
Downgrading to version 2.0.9 resolves the issue completely.

## Additional Context
This appears to be a regression introduced between v2.0.9 and v2.0.21

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

2.0.9

Claude Code Version

2.0.21

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

iTerm2

Additional Information

_No response_