{"success":true,"message":"🚀 Oki Health Backend API está funcionando!","timestamp":"2026-05-13T23:32:17.891Z","port":3005,"environment":"production","apiUrl":"http://localhost:3005/api","endpoints":{"health":"/api/health","wallet":"/api/wallet","auth":"/api/auth","challenges":"/api/challenges","webhook":"/api/wallet/webhook"}}