[BUG] Claude attempts to use unavailable `timeout` on mac

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?

Basically, here is the issue: https://github.com/anthropics/claude-code/issues/10600
It's wrongly marked as duplicate, but it's not.

What Should Happen?

Claude shouldn't attempt to use a cli tool that's known to be unavailable

Error Messages/Logs

Steps to Reproduce

Bug happens when model believes the command might take too long

Claude Model

None

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

2.1.217

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Other

Additional Information

Terminal: Ghostty