[BUG] /plan off enables planning mode

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?

❯ /plan off
  ⎿  Enabled plan mode

What Should Happen?

Planning mode should be turned off.

Error Messages/Logs

Steps to Reproduce

Let claude create a plan, resume later, do something different - old plan is incorporated.

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.29 (Claude Code)

Platform

Anthropic API

Operating System

Other Linux

Terminal/Shell

WSL (Windows Subsystem for Linux)

Additional Information

_No response_