[BUG] "[57358u" gets printed whenever I type caps lock button in claude code terminal on Windows 11

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?

Whenever I press caps lock while in the chat, "[57358u" gets inserted into the input field.

What Should Happen?

Caps lock toggles silently without inserting anything

Error Messages/Logs

Steps to Reproduce

1. Open Claude Code in any project folder
2. Focus the chat input
3. Press Caps Lock

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.84

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_