GET Bulk contact job

GET /api/v1/contacts/bulk-jobs/{jobId}

{
  "data": {
    "id": "job_abc123",
    "operation": "add_to_group",
    "status": "done",
    "requestedCount": 4900,
    "processedCount": 4900,
    "progress": 100,
    "groupId": "uuid-group",
    "summary": {
      "added": 4721,
      "alreadyInGroup": 131,
      "notFound": 48
    },
    "error": null,
    "createdAt": "2026-05-08T10:00:00.000Z",
    "updatedAt": "2026-05-08T10:00:12.000Z",
    "completedAt": "2026-05-08T10:00:12.000Z"
  }
}