curl --request POST \
  --url https://api.example.com/api/kb/search \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data 'collection=<string>' \
  --data 'query_text=<string>' \
  --data embedding_model_id=text-embedding-v4 \
  --data top_k=50 \
  --data 'filters={}' \
  --data 'fusion_config={}' \
  --data 'rerank_model_id=<string>' \
  --data rerank_top_k=123 \
  --data readonly=true \
  --data nprobes=123 \
  --data refine_factor=123 \
  --data fallback_to_sparse=true

{
  "status": "<string>",
  "result_count": 123,
  "message": "<string>",
  "results": [
    {
      "doc_id": "<string>",
      "chunk_id": "<string>",
      "text": "<string>",
      "score": 0.5,
      "parse_hash": "<string>",
      "model_tag": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "metadata": {},
      "vector_score": 123,
      "fts_score": 123,
      "vector_rank": 2,
      "fts_rank": 2
    }
  ],
  "warnings": [
    "<string>"
  ],
  "used_rerank": false
}