[BUG] Title: Cowork: /usr/local/bin/claude: cannot execute binary file: Exec format error on Apple Silicon 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?

Details to include:

macOS on MacBook Pro with Apple Silicon (ARM64) with M5 chip, just purchased and migrated from older macbook pro.
Cowork fails with the exec format error above
Claude Code works fine in Terminal (claude --version returns 2.1.92)
Node is ARM64 at /opt/homebrew/bin/node
Symlink at /usr/local/bin/node pointing to Homebrew node did not fix it

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What Should Happen?

claude told me to come here

Error Messages/Logs

Details to include:

macOS on MacBook Pro with Apple Silicon (ARM64)
Cowork fails with the exec format error above
Claude Code works fine in Terminal (claude --version returns 2.1.92)
Node is ARM64 at /opt/homebrew/bin/node
Symlink at /usr/local/bin/node pointing to Homebrew node did not fix it

Steps to Reproduce

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Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

version 2.1.92 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_