rules.queue.json

```json
{
  "routes": [
    {
      "source": "QueueService",
      "eventType": "queue.created",
      "target": "MRTRoomService",
      "conditions": [
        {
          "field": "queue.studyType",
          "operator": "in",
          "values": ["MRI", "CT", "X-ray"]
        }
      ]
    },
    {
      "source": "QueueService",
      "eventType": "queue.updated",
      "target": "PatientAppGateway",
      "conditions": [
        {
          "field": "queue.status",
          "operator": "in",
          "values": ["completed", "failed"]
        }
      ]
    }
  ]
}
```