[BUG] Arabic text input in the Claude Code chat panel is broken.

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?

Bug Description

Arabic text input in the Claude Code chat panel is broken.
Characters appear garbled/misshapen when typing in Arabic (RTL text).

Steps to Reproduce

1. Open VS Code with Claude Code extension
2. Open the Claude Code chat panel
3. Try typing any Arabic text in the input field
4. Characters appear incorrectly (e.g. "محتحمنم" instead of proper Arabic)

Expected Behavior

Arabic text should render correctly with proper character shaping
and right-to-left direction, as it did in previous versions.

Previous Behavior

Arabic input was working correctly in a previous version of the extension.

Environment

• OS: Windows
• VS Code Version
• Claude Code Extension Version
• Language/Keyboard: Arabic

Screenshot

What Should Happen?

Arabic text input in the Claude Code chat panel is broken.

Error Messages/Logs

Steps to Reproduce

Arabic text input in the Claude Code chat panel is broken.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Arabic text input in the Claude Code chat panel is broken.

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_