[BUG] VS CODE Extension v2.0.3 doesn't handle Japanese text input correctly. Pressing the enter button to select kanji causes text to be submitted often cutting off the prompt before it's completely written.

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?

See attached video to understand what's happening. Entering Japanese text and pressing enter to select from the kanji picker forwards the enter command, onto Claude plugin resulting in an incomplete prompt.

Running MacOS 15.7 (24G222)

https://github.com/user-attachments/assets/a32a2db7-ee62-4643-abb3-f602f7df3bdd

What Should Happen?

The plugin should ignore this enter keystroke because it's not meant for the claude code plugin, it's meant for the kanji picker.

Error Messages/Logs

Steps to Reproduce

See the attached video.

Type something in hiragana, like そうきん
when the kanji picker appears use the down arrow to select kanji replacement like 送金
press enter

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

2.0.2

Claude Code Version

2.0.3 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_