[BUG] Still runs old plan after editing plan with vim 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?

With vim mode on, edit a plan, save and run; it still runs the old plan.

What Should Happen?

Run the plan I saved

Error Messages/Logs

N/A

Steps to Reproduce

1. Make sure /vim is enabled
2. Prompt: "Make a plan to say "hello world 1"
3. ctrl-g to edit in vim
4. Make all references to "hello world 1" be "hello world 2"
5. :wq to save and exit vim
6. 1 to run

it'll print "hello world 1" instead of "hello world 2"

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.0.55

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_