f827a7471c
- Removed LocaleSwitcher from NavUser, SiteHeader, and WorkbenchHeader components. - Updated tests to reflect the removal of LocaleSwitcher. - Changed default locale from "en-US" to "zh-CN" in i18n configuration. - Refactored locale resolution logic to read configured locale without relying on browser language detection. - Updated AgentDesk SDK to support language configuration from public API. - Cleaned up unused auth options fetching in the auth API.