{"ok":true,"msg":"WA Gateway activo","provider":"meta","endpoints":["/health","/status","/qr","/pairing-code?number=569xxxxxxxx","/send-text","/send-message","/send-media","/send-interactive","/send-location","/send-vcard","/check-contact","/logout","/debug-self","/debug-auth","/qr.png","/lid-map","/meta/webhook","/media/:id  (proxy descarga de media de Meta)","/uploads/:file  (archivos ya descargados, acceso público)"]}