Backend Internationalization

Purpose

Design i18n architecture with locale selection, translation workflow, and message formatting.

Agent Protocol

Trigger

Exact user phrases: "i18n", "internationalization", "localization", "l10n", "translation", "multi-language", "locale", "language support", "translation file", "gettext", "message format", "ICU message", "pluralization", "RTL support".

Input Context

Before activating, verify:

• Initial languages to support and priority order
• Translation workflow (in-house translators, vendor, Crowdin/Lokalise)
• Content types needing translation (API messages, emails, push notifications, error messages)
• Who provides translations (developers, product team, translation service)

Output Artifact

Internationalization architecture design as formatted text.