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Configuración de i18n en Next.js (nextjs-i18n-setup)

Inicia, configura y verifica la internacionalización de Next.js App Router con next-intl usando proxy.ts/middleware.ts, next/root-params, layout [locale] y enrutamiento. Se activa con comandos como "/nextjs-i18n-setup", "setup i18n", "install next-intl", "configure next-intl", "add internationalization", "setup locale routing", "migrate to [locale]".

¿Qué es Configuración de i18n en Next.js (nextjs-i18n-setup)?

Esta skill automatiza la integración de `next-intl` en un proyecto Next.js App Router existente, siguiendo las mejores prácticas modernas como `next/root-params` y el segmento dinámico `app/[locale]/`. Es compatible tanto con Next.js 16+ (usando `proxy.ts`) como con versiones <=15 (usando `middleware.ts`), y se encarga de toda la configuración: desde la instalación del paquete, la creación de archivos de enrutamiento, solicitud y navegación, hasta la migración de layouts y la verificación de la compilación. Su utilidad principal es reducir drásticamente el tiempo y los errores manuales al añadir i18n a un proyecto Next.js, asegurando que se sigan las guías oficiales y se mantenga la compatibilidad con versiones futuras. La skill se basa en una lista de verificación paso a paso y plantillas de código reutilizables, y puede delegar la verificación final a un subagente ligero para una ejecución rápida.

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¿Qué hace Configuración de i18n en Next.js (nextjs-i18n-setup)?

Inicia y prepara next-intl en un proyecto existente de Next.js App Router utilizando los modernos next/root-params, el segmento dinámico app/[locale]/, y Next.js 16+ (proxy.ts) / Next.js <=15 (middleware.ts).

[!TIP] Plantillas y Código Base: Consulta references/templates.md para obtener plantillas de código listas para usar al crear los archivos. Ejecución Rápida: Delega la verificación a un subagente ligero (Model: 'flash').

1. Reglas y Requisitos de Arquitectura

  1. Contrato de Metadatos: Asegúrate de que docs/project.json contenga: 
    "dictionaries_dir": "messages",
"dictionary_file_pattern": "[locale].json"
  2. Interceptor de Versión de Next.js:
    • Next.js 16+: Usa proxy.ts (o src/proxy.ts). Migra y elimina cualquier middleware.ts heredado.
    • Next.js <=15: Usa middleware.ts (o src/middleware.ts).
  3. Root Params Moderno: Usa next/root-params (await rootParams.locale()) en i18n/request.ts. El uso de requestLocale y setRequestLocale() está obsoleto y prohibido.
  4. Navegación: Exporta Link, redirect, usePathname, useRouter desde i18n/navigation.ts (TypeScript puro, sin JSX).
  5. Generación Estática: El layout raíz app/[locale]/layout.tsx DEBE exportar generateStaticParams() que devuelva { locale } para todos los locales soportados.

2. Lista de Verificación

  • Paso 0: Auditoría: Revisa docs/project.json (supported_languages) y la versión de Next.js en package.json.
  • Paso 1: Instalación: Ejecuta <pkg_mgr> add next-intl (pnpm add next-intl).
  • Paso 2: Metadatos de Configuración: Asegúrate de que dictionaries_dir: "messages" esté en docs/project.json.
  • Paso 3: Enrutamiento: Crea i18n/routing.ts usando defineRouting (ver plantillas).
  • Paso 4: Manejador de Solicitudes: Crea i18n/request.ts usando next/root-params (ver plantillas).
  • Paso 5: Ayudantes de Navegación: Crea i18n/navigation.ts (ver plantillas).
  • Paso 6: Plugin de Next: Envuelve next.config.ts con createNextIntlPlugin() (ver plantillas).
  • Paso 7: Interceptor: Crea proxy.ts (Next 16+) o middleware.ts (Next <=15) con un matcher de filtrado de assets (ver plantillas).
  • Paso 8: Diccionarios Iniciales: Asegúrate de que existan messages/[locale].json para todos los locales soportados con las claves base correspondientes.
  • Paso 9: Migrar Layout y Rutas: Mueve las rutas de nivel superior a app/[locale]/. Configura dir, lang, generateStaticParams dinámicos y <NextIntlClientProvider> (ver plantillas).
  • Paso 10: Aumento de Tipo: Declara AppConfig.Messages en global.d.ts (ver plantillas).
  • Paso 11: Importaciones de Navegación: Actualiza los enlaces internos en los componentes existentes para que usen @/i18n/navigation.
  • Paso 12: Verificación: Ejecuta el script de verificación y la compilación: 
    pwsh .agents/skills/nextjs-i18n-setup/scripts/verify-setup.ps1 -Quiet
pnpm run build

3. Plantilla de Informe de Ejecución

## 🌐 Informe de Ejecución de Configuración de i18n en Next.js

| Paso / Componente   | Archivo(s) Objetivo          | Estado                           | Notas                    |
| :------------------ | :--------------------------- | :------------------------------- | :----------------------- |
| **Paquete**         | `package.json` (`next-intl`) | `[IMPLEMENTADO]` / `[SIN CAMBIOS]` | Runtime instalado        |
| **Config. Proyecto**| `docs/project.json`          | `[IMPLEMENTADO]` / `[SIN CAMBIOS]` | Directorio de mensajes config. |
| **Enrutamiento**    | `i18n/routing.ts`            | `[IMPLEMENTADO]` / `[SIN CAMBIOS]` | Locales y predeterminado |
| **Solicitud**       | `i18n/request.ts`            | `[IMPLEMENTADO]` / `[SIN CAMBIOS]` | next/root-params         |
| **Navegación**      | `i18n/navigation.ts`         | `[IMPLEMENTADO]` / `[SIN CAMBIOS]` | Ayudantes TS puros       |
| **Plugin**          | `next.config.ts`             | `[IMPLEMENTADO]` / `[SIN CAMBIOS]` | Envuelto con withNextIntl|
| **Interceptor**     | `proxy.ts` / `middleware.ts` | `[IMPLEMENTADO]` / `[SIN CAMBIOS]` | Matcher de rutas         |
| **Diccionarios**    | `messages/[locale].json`     | `[IMPLEMENTADO]` / `[SIN CAMBIOS]` | Diccionarios iniciales   |
| **Layout**          | `app/[locale]/layout.tsx`    | `[IMPLEMENTADO]` / `[SIN CAMBIOS]` | Params estáticos y provider |
| **Tipos**           | `global.d.ts`                | `[IMPLEMENTADO]` / `[SIN CAMBIOS]` | Aumento de AppConfig     |
| **Verificación**    | `verify-setup.ps1` y build   | `[EXITOSO]`                     | Compilación limpia       |

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

BIGboss248/nextjs-wordpress

Create, configure, manage, and validate Google Antigravity customizations including skills, rules, MCP servers, lifecycle hooks, plugins, and custom JSON configs. Use when adding new capabilities to Antigravity, configuring MCP servers, writing rules, creating skills, setting up hooks, or modernizing legacy workflows.

BIGboss248/nextjs-wordpress

Spawn multiple agents into a shared conversation where they debate, disagree, and converge on a solution via a shared chat.json file. Use for architecture decisions, code review debates, design trade-offs, or any problem that benefits from adversarial reasoning. Triggers on "chatroom", "agent debate", "have agents discuss", "agent chatroom", "debate this", or /agent-chatrooms. Also triggers on phrases like "have 3 agents argue about", "multi-agent discussion", or "let them debate".

BIGboss248/nextjs-wordpress

Always-active code intelligence, search, and navigation skill utilizing the codebase-memory MCP server. Enforces an index-first protocol (verifying and refreshing the knowledge graph via index_repository or index_status before searching, required because background auto_watch is disabled to eliminate editor stutter and system lag), followed by graph-first exploration (search_graph, trace_path, get_code_snippet, query_graph, get_architecture, detect_changes) instead of naive text grep or full-file reads. Always activate before searching the codebase, inspecting unknown architecture, finding symbols, or tracing callers/callees.

BIGboss248/nextjs-wordpress

>- Discover, interview, and craft comprehensive UX/UI design specifications (design-spec.md) and design tokens for web components. Triggers on "/component-design", "design component", "design section", "design UI", "wireframe component", or "create design spec".

BIGboss248/nextjs-wordpress

>- Configure and query WooCommerce APIs including WPGraphQL, WooGraphQL, and JWT auth for headless frontends. Use when connecting Next.js to WooCommerce or fetching store catalog data.

BIGboss248/nextjs-wordpress

Orchestrate parallel browser automation using multiple Chrome DevTools MCP instances. Use when a task requires doing the same browser action across many targets simultaneously (e.g., submitting contact forms, filling applications, scraping pages that need JS rendering). Spin up 1-5 parallel Chrome agents.

BIGboss248/nextjs-wordpress

Workflow for spawning an independent subagent to conduct unbiased code reviews and inject adversarial edge-case tests ([ComponentName].edge.test.tsx).

BIGboss248/nextjs-wordpress

>- Build Next.js App Router React components with Suspense skeletons, semantic OKLCH tokens, Jest + RTL unit tests, Playwright visual/hydration checks, and Tailwind logical styling. Triggers on "/nextjs-component-dev", "create component", "new component", "build component", or "develop component".

BIGboss248/nextjs-wordpress

>- Bootstrap, configure, and verify the complete Next.js App Router development environment, developer tooling, testing suites, MCP servers, Docker containerization, and CI/CD. Triggers on "/nextjs-dev-setup", "setup nextjs dev environment", "start a nextjs project", or "containerize nextjs app".

BIGboss248/nextjs-wordpress

>- Configure production health monitoring endpoints (/api/health), Docker Compose probes, and runtime metrics in Next.js App Router applications. Use when asked to "setup health check", "add health endpoint", "docker compose healthcheck nextjs", "configure health monitor", or "/nextjs-healthcheck".

BIGboss248/nextjs-wordpress

Read/write translation dictionaries (messages/[locale].json), next-intl hooks (getTranslations/useTranslations), providers (Storybook/tests/subtrees), and BiDi styling. Triggers on "/nextjs-i18n-usage", "i18n dictionary", "use translations", "read dictionary", "i18n provider", "next-intl hooks", "storybook i18n", "test i18n", "add translation keys", "localize component", "create a component", "update a component".

BIGboss248/nextjs-wordpress

>- Configure, test, and verify OpenTelemetry (OTel) observability in Next.js App Router applications. Triggers on "/nextjs-otel", "setup otel", "configure opentelemetry", "test otel", or "verify opentelemetry".

BIGboss248/nextjs-wordpress

Step-by-step workflow for designing and building Next.js App Router pages (RSC page.tsx, loading skeleton, metadata, JSON-LD schema, and dynamic static params). Triggers on "/nextjs-page-dev", "create page", "new page", "develop page", "build route", or "implement page".

BIGboss248/nextjs-wordpress

>- Orchestrate end-to-end planning for Next.js App Router projects, generating canonical specifications, design systems, and a 7-phase modular implementation roadmap in docs/plan/. Triggers on "/nextjs-plan", "plan a nextjs project", "plan nextjs app", "create nextjs project plan", "outline nextjs architecture", or "generate plan".

BIGboss248/nextjs-wordpress

Workflow and engineering standards for crafting co-located Storybook CSF3 stories ([ComponentName].stories.tsx) with interactive controls, action spies, and 4 canonical theme variants.

BIGboss248/nextjs-wordpress

>- Build Next.js e-commerce frontends backed by WooCommerce APIs, handling ISR catalogs, cart sessions, and JWT authentication. Use when building or querying Next.js stores with WooCommerce.

BIGboss248/nextjs-wordpress

Self-correcting rules engine and feedback loop that learns from user corrections, mistakes, and project-specific constraints by maintaining a persistent autofix ruleset. Scans learned rules before starting any task, resolves conflicts, and automatically appends new rules upon corrections. Triggers on user corrections ("no, do it this way", "never do X", "always use Y"), /learn, "self repair", "add rule", "update rules", or when diagnosing assumptions and bugs. CRITICAL ALWAYS-ACTIVE LIFECYCLE SKILL. Must always be kept in context, loaded at session start, and consulted before starting ANY task to read and apply active constraints from autofix.json. MUST ALWAYS be triggered immediately whenever the user provides ANY correction, preference, criticism, rejection of an approach, or adjustment ("no", "don't do X", "use Y", "remember", "prefer"), or when any mistake/bug is identified. Automatically and immediately formulates and appends the new imperative rule to the project's autofix.json ruleset file.

BIGboss248/nextjs-wordpress

Setup, automate, and execute SEO audits, CI/CD pre-push/pre-deploy checks, and ranking optimizations using the seo CLI and MCP server.

BIGboss248/nextjs-wordpress

End-to-end repository onboarding and development environment setup skill. Scans repository structure, configures project metadata (docs/project.json), sets up the codebase-memory-mcp code intelligence knowledge graph server (in workspace mcp.json and globally for AGY only), configures git hooks with Husky and Commitlint, establishes multi-stage production Docker containerization, and automates credit-optimized Release Please CI/CD with multi-arch (AMD64 & ARM64) GHCR package deployment. Triggers on "/setup-repository", "setup repository", "setup repo", "initialize repository", "new repo setup", or when preparing any repository for development and AI agent workflows.

BIGboss248/nextjs-wordpress

AI screen scaffolding, layout generation, and variant exploration workflow powered by Google Stitch (StitchMCP). Consumes a component design specification (docs/design/components/[page name]/[component name]/design-spec.md), verifies and reuses the central Stitch project in docs/project.json (or creates/persists one if absent), seeds the project's design system into Stitch, synthesizes layout prompts to generate a screen and create one variant of the given design spec file, downloads and saves Stitch JPG screenshots and HTML code files directly into docs/design/components/[page name]/[component name]/stitch/ using binary-safe PowerShell Invoke-WebRequest, outputs image prompts to the user if visual assets are needed (without calling generate_image to conserve tokens), updates design-spec.md with Stitch layout benchmarks, and audits asset download integrity with an independent subagent. Triggers on "/stitch-design", "generate stitch screen", "create stitch variant", "scaffold screen with stitch", or "stitch...

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