curl --request GET \
  --url https://api.clovastudio.go.kr/v1/rag42/collections/{collection_id} \
  --header 'Authorization: Bearer <token>'

{
  "status": {
    "code": "20000",
    "message": "OK"
  },
  "result": {
    "collection_id": "ef7483af16d84818a59dcbcf8b587b93",
    "collection_name": "행정문서_2024",
    "visibility": "private",
    "is_owner": true,
    "created_at": "2024-01-15T09:00:00Z",
    "updated_at": "2024-10-18T10:30:00Z",
    "search_config": {
      "mode": "hybrid",
      "alpha": 0.5
    },
    "ingest_config": {
      "chunking_strategy": "by_length",
      "chunk_size": 2000,
      "chunk_overlap": 200,
      "embedding_model": "bge-m3",
      "embedding_dimension": 1024,
      "pii_mask": true,
      "parser_model": "rag42-chunk-v1",
      "indexed_fields": [
        "author",
        "department",
        "document_type"
      ],
      "external_id_field": "document_number"
    },
    "document_count": 1250,
    "chunk_count": 8760
  }
}