{ "server": { "httpPort": 3000, "wsPort": 3018 }, "patrol": { "interval": 60000, "maxHistory": 50 }, "alert": { "warningThreshold": 80, "criticalThreshold": 90 }, "log": { "file": "health-log.json", "maxDays": 7 }, "heartbeat": { "timeout": 300000 } }