Simplify the locale resolution logic in the request utility by directly using stored locale with default fallback, remove the unused getNavigatorLanguages function, and streamline the initial locale setup in the i18n entrypoint while persisting the default locale when no stored locale is present.
Add complete login flow with phone verification and country picker.
Add login-related translations for en-US, zh-CN and th-TH locales.
Add country calling codes constants and selection utility function.
Register Vant UI component type definitions for TypeScript.
Update development environment authentication token.