{"message":"Shopify Integration API","version":"1.0.0","endpoints":{"health":"/api/health","providerValidate":"/api/provider/validate","auth":"/api/auth?shop=0eqqbn-4k.myshopify.com","catalog":"GET /api/catalog (page, limit, q, availability)","catalogSync":"POST /api/catalog/sync","syncRules":"GET/POST /api/settings/sync-rules","sync":"POST /api/sync/products (query: limit, shop, throttleMs)","inventoryRealtime":"POST /api/inventory/realtime (body: variantIds[], dryRun?)","appProxyPing":"GET /api/proxy/ping (firma Shopify)","appProxyInventory":"POST /api/proxy/inventory/realtime (firma Shopify; uso desde tema)","syncQueue":"POST /api/sync/queue (encola job; requiere Redis y worker)","webhooks":{"ordersPaid":"/api/webhooks/orders/paid","ordersCreate":"/api/webhooks/orders/create"}},"development":{"localUrl":"http://localhost:3000","note":"Usa ngrok para exponer este servidor a Shopify"}}