[BUG] Numpad keys not working in Claude Code terminal (VS Code)

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?

Numpad keys (numbers 0-9 and Enter) do not work in Claude Code terminal in VS Code. They work fine in regular VS Code terminals.

What Should Happen?

Numpad keys should input numbers and Enter should submit, just like they did a few days ago.

Error Messages/Logs

Steps to Reproduce

Open Claude Code in VS Code integrated terminal. Try pressing any numpad number key or numpad Enter. Nothing happens.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

Not sure, it was working approximately 1 week ago

Claude Code Version

2.1.85 (Claude Code)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

VS Code integrated terminal

Additional Information

Only happens in Claude Code terminal, not in regular VS Code terminals. No configuration changes were made.