{
  "ScadaLink": {
    "_nodeName": "Host-018: NodeName stamps SourceNode on AuditLog/Notifications/SiteCalls rows (CLAUDE.md 'Centralized Audit Log' decision) and backs IX_AuditLog_Node_Occurred. Convention: 'node-a'/'node-b' for site nodes, 'central-a'/'central-b' for central nodes. Override per-node in multi-node deployments (the docker per-node configs do this). When left at the default below, single-node dev rows are stamped with 'node-a'; an empty value normalises to a NULL SourceNode.",
    "Node": {
      "Role": "Site",
      "NodeHostname": "localhost",
      "SiteId": "site-a",
      "RemotingPort": 8082,
      "GrpcPort": 8083,
      "NodeName": "node-a"
    },
    "Cluster": {
      "SeedNodes": [
        "akka.tcp://scadalink@localhost:8082",
        "akka.tcp://scadalink@localhost:8084"
      ],
      "SplitBrainResolverStrategy": "keep-oldest",
      "StableAfter": "00:00:15",
      "HeartbeatInterval": "00:00:02",
      "FailureDetectionThreshold": "00:00:10",
      "MinNrOfMembers": 1
    },
    "Database": {
      "SiteDbPath": "./data/scadalink.db"
    },
    "DataConnection": {
      "ReconnectInterval": "00:00:05",
      "TagResolutionRetryInterval": "00:00:10",
      "WriteTimeout": "00:00:30"
    },
    "StoreAndForward": {
      "SqliteDbPath": "./data/store-and-forward.db",
      "ReplicationEnabled": true
    },
    "Communication": {
      "_centralContactPoints": "Host-016: each entry MUST be a central node's remoting endpoint, NOT this site's own remoting port. The single dev-loopback default below points only at central-a (localhost:8081). In a multi-central deployment add the second central node here (e.g. 'akka.tcp://scadalink@central-b-host:8081') so ClusterClient can fail over when central-a is down. The previous template listed localhost:8082 as the second contact — that is THIS site's own RemotingPort and is a permanent failure in the initial-contact rotation.",
      "CentralContactPoints": [
        "akka.tcp://scadalink@localhost:8081"
      ],
      "DeploymentTimeout": "00:02:00",
      "LifecycleTimeout": "00:00:30",
      "QueryTimeout": "00:00:30",
      "TransportHeartbeatInterval": "00:00:05",
      "TransportFailureThreshold": "00:00:15"
    },
    "HealthMonitoring": {
      "ReportInterval": "00:00:30",
      "OfflineTimeout": "00:01:00"
    },
    "SiteEventLog": {
      "RetentionDays": 30,
      "MaxStorageMb": 1024,
      "PurgeScheduleCron": "0 2 * * *"
    },
    "Notification": {},
    "Logging": {
      "MinimumLevel": "Information"
    }
  }
}