[BUG] Planviewer interrupts while I am writing my comments and ALL comments are NOT saved!

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 was typing my comments, took me over 30 minutes. In this time the Tool was interrupted and didn´t save anything.

<img width="695" height="263" alt="Image" src="https://github.com/user-attachments/assets/34c08ccb-7845-42cb-8656-8868b2131d17" />

What Should Happen?

No interuption?

Error Messages/Logs

Steps to Reproduce

THE TOOL INTERRUPTED, how shall I say how this happened?

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

4,6

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_