[Feature Request] Add Chinese (Simplified) language support

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

Many users prefer to interact with Claude Code in Chinese. Currently, all CLI output (status messages, help text, prompts, confirmation dialogs, error messages) is in English, which creates a language barrier for Chinese-speaking users. When Claude Code asks "Allow? [y/N]", many users don't understand what it means and don't know whether to press yes or no.

Proposed Solution

Add a language/locale setting that allows users to switch Claude Code UI to Chinese (

Alternative Solutions

_No response_

Priority

Critical - Blocking my work

Feature Category

CLI commands and flags

Use Case Example

Example: A Chinese developer runs Claude Code in terminal. Claude shows 'Allow? [

Additional Context

_No response_