Vietnamese IME Input Does Not Work Properly in Terminal UI

Summary

When using a Vietnamese IME (Telex), text input is corrupted inside the terminal UI.

For example, when typing:

gõ tiếng việt

the terminal receives something like:

go õ tieng êng iếng vie ê iệt

The issue only occurs inside the terminal UI. Vietnamese input works correctly in other applications and regular text fields.

Environment:

• OS: macOS
• Input Method: Vietnamese Telex
• Terminal: [Terminal.app / iTerm2 / VS Code Terminal]
• Application Version: [version]

Expected Behavior

Vietnamese characters should be composed correctly when using a Vietnamese IME.

Actual Behavior

Characters are split or inserted in the wrong order, making Vietnamese text unreadable.

Steps to reproduce the issue

Steps to Reproduce

1. Launch the application in a terminal.
2. Enable a Vietnamese IME (Vietnamese Telex).
3. Focus the text input area in the terminal UI.
4. Type a Vietnamese phrase such as:
   gõ tiếng việt
5. Observe the text displayed in the input field.

Expected Result
The text is displayed correctly as:
gõ tiếng việt

Actual Result
The text becomes corrupted, for example:
go õ tieng êng iếng vie ê iệt

Reproducibility
Occurs consistently when using Vietnamese IME input in the terminal UI.

Command Code Version

0.39.2

Operating System

macOS

Terminal/IDE

Terminal

Shell

zsh

Additional context

No response