[BUG] Enter key not submitting prompt on Claude Code Desktop (macOS)

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?

After a recent update, pressing Enter no longer submits the prompt in Claude Code Desktop on macOS. It just does nothing. Previously Enter worked fine.

What Should Happen?

Prompt should be submitted on Enter.

Error Messages/Logs

Steps to Reproduce

1. Open Claude Code Desktop on macOS
2. Type a prompt
3. Press Enter
4. Nothing happens

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.0.45 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_