curl --request DELETE \
  --url https://api.example.com/api/kb/collections/{collection_name} \
  --header 'Authorization: Bearer <token>'

{
  "status": "<string>",
  "collection": "<string>",
  "message": "<string>",
  "warnings": [
    "<string>"
  ],
  "affected_documents": [
    {
      "doc_id": "<string>",
      "status": "pending",
      "message": "<string>"
    }
  ],
  "deleted_counts": {}
}