[BUG] When pasting long inputs into the chat in Visual Code's claude code extension it obscures any answer from the AI

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?

When pasting long input to chat of Claude code VScode extension, instead if being greeted with an answer you won't be able to see the answer in the first place.

What Should Happen?

It should work like how it does on other platforms (such as Windows) where it hides your long input with a "show more" button.

Error Messages/Logs

Steps to Reproduce

1. install Vscode via flatpak
2. Install the claude code extension
3. Paste into the chat a very long input
4. Said input window should now obscure the AI's output.

Claude Model

Not sure / Multiple models

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

2.1.121

Platform

Anthropic API

Operating System

Other Linux

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_