Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

• Write any prompts in Korean, then you would see two prompts

Expected behavior
A clear and concise description of what you expected to happen.

• First one : The prompt that I wrote
• Second one : The last Korean character of the first prompt

Screenshots
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VS Code (please complete the following information):

• OS: mac Sequoia 15.6.1
• VS Code Version

Visual Studio Code
Version: 1.103.2 (Universal)
Commit: 6f17636121051a53c88d3e605c491d22af2ba755
Date: 2025-08-20T16:45:34.255Z (2 wks ago)
Electron: 37.2.3
ElectronBuildId: 12035395
Chromium: 138.0.7204.100
Node.js: 22.17.0
V8: 13.8.500258-electron.0
OS: Darwin arm64 24.6.0

Additional context
Add any other context about the problem here.