{
  "schema": "guanghu.navigation-map/v1",
  "node_id": "BS-SG-001",
  "role": "新加坡历史大脑、国际开发与京东灯塔子节点",
  "modules": [
    {"code":"SG1-GTW-01","name":"Gatekeeper v3.2","bind":"loopback:3911","owner":"system"},
    {"code":"SG1-PROBE-01","name":"京东只读心跳探针","bind":"source-restricted-dedicated-ssh-key","owner":"JD-OPS-CENTER"},
    {
      "code": "SG1-HLCC-RLY-01",
      "name": "光湖代码频道 v16.0.1 京东专用域名中继",
      "bind": "target-allowlisted-https",
      "owner": "nginx",
      "state": "READY_FOR_JD_CONTROLLED_TRANSFER",
      "receipt": "deployment/receipts/HLCC-SG-JD-RELAY-CHECKPOINT-20260723.json"
    }
  ],
  "mandatory_order": ["read-navigation-map", "ack-current-map", "execute-registered-action"],
  "human_boundary": "map and email approval only; no token or unrestricted server operation",
  "forbidden": ["historical-token-reuse", "shared-node-key", "port-forwarding", "agent-forwarding", "secret-in-repository", "arbitrary-shell-through-authorization-api"]
}