{"ok":true,"service":"sk521","name":"Aquatic Kid Safe content API","transport":"REST/HTTPS only (no WebSocket)","contentVersion":7,"endpoints":["GET /health","GET /checkbackend","GET /v1/content/manifest","GET /v1/content","GET /v1/drills","GET /v1/drills/:id","GET /v1/articles","GET /v1/articles/:id","GET /v1/quiz","GET /v1/tips/daily","POST /v1/metrics"]}