[BUG] Copy response has been lost from new Claude Code

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?

Previously when I'd chat with Claude Code in the desktop app, you'd be able to easily click to copy the response. This seems to have been lost with the most recent update

What Should Happen?

Button to the left of the first line of test on the reply would be visible on hover to copy the entire reply to paste elsewhere

Error Messages/Logs

Steps to Reproduce

1. Send Claude Code a message on Desktop app
2. Look to copy the entire reply with 1 click

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

1.2581.0

Platform

Other

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_