[BUG] Edits made in plan 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?

Edits are being made while in Plan Mode.

<img width="627" height="390" alt="Image" src="https://github.com/user-attachments/assets/bf6904f6-4c95-4f19-807a-6aeea8977570" />

What Should Happen?

Edits should be able to be made, only plan.

Error Messages/Logs

Steps to Reproduce

Run in plan mode, edits made.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

sonnet v4.6

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_