curl --request GET \
  --url https://acusight.io/api/data/batches/{id}/images/split-summary \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "annotated_total": 123,
    "batch_id": 123,
    "class_distribution": {},
    "has_annotations": true,
    "locked_counts": {},
    "split_counts": {},
    "total": 123,
    "unsplit": 123
  },
  "error": {
    "code": "<string>",
    "details": "<string>",
    "message": "<string>"
  },
  "meta": {
    "count": 123,
    "limit": 123,
    "offset": 123,
    "total": 123
  },
  "success": true
}