[BUG] Exit plan mode hook triggers when user accepts plan instead of when claude presents it

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?

I want to set up a custom notification for when Cloud presents a plan. But the hook is not working. I said only triggers when I accept the plan.

What Should Happen?

see above

Error Messages/Logs

Steps to Reproduce

see above

Claude Model

None

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

latest

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_