{
  "total": 2,
  "page": 1,
  "pageSize": 20,
  "roles": [
    {
      "id": "role-001",
      "name": "DATA_ENGINEER",
      "description": "Full access to pipelines, datasets, and quality rules"
    },
    {
      "id": "role-002",
      "name": "DATA_ANALYST",
      "description": "Read-only access to datasets and lineage"
    }
  ]
}