{
  "scene_id": "cam-entrance-20260325T121830Z",
  "schema_version": "1.0.0",
  "timestamp": "2026-03-25T12:18:30.412Z",
  "camera": {
    "id": "cam-entrance",
    "name": "Warehouse Dock Entrance",
    "location": "Building A — Loading Bay",
    "zones": [
      {
        "id": "zone-safety-lane",
        "label": "Forklift Safety Lane",
        "polygon": [
          [0.12, 0.18],
          [0.87, 0.20],
          [0.81, 0.72],
          [0.10, 0.70]
        ]
      }
    ]
  },
  "objects": [
    {
      "id": "obj-01",
      "type": "person",
      "confidence": 0.97,
      "bbox": {
        "x": 0.44,
        "y": 0.36,
        "width": 0.12,
        "height": 0.28
      },
      "attributes": {
        "pose": "standing",
        "ppe": {
          "vest": true,
          "helmet": false
        }
      }
    },
    {
      "id": "obj-02",
      "type": "forklift",
      "confidence": 0.91,
      "bbox": {
        "x": 0.18,
        "y": 0.42,
        "width": 0.26,
        "height": 0.31
      },
      "attributes": {
        "heading_deg": 12,
        "speed_mps": 1.4
      }
    }
  ],
  "event": {
    "type": "restricted_zone_entry",
    "severity": "high",
    "description": "Forklift entering safety lane while technician is present",
    "zone_id": "zone-safety-lane",
    "objects_involved": ["obj-01", "obj-02"]
  },
  "metrics": {
    "ingest_latency_ms": 180,
    "broker_topic": "vaos/scene/cam-entrance"
  },
  "recommended_actions": [
    {
      "type": "notify",
      "target": "safety-team",
      "channel": "slack://ops-safety",
      "message": "Forklift entered safety lane while technician present (cam-entrance)."
    },
    {
      "type": "automation",
      "command": "pause_conveyor",
      "reason": "Safety lane violation"
    }
  ],
  "keyframe": {
    "topic": "vaos/keyframe/cam-entrance",
    "uri": "s3://vaos-keyframes/cam-entrance/2026/03/25/121830Z.jpg",
    "placeholder": true
  }
}