curl --location --request GET 'https://api.baichuan-ai.com/v1/kbs//files' \
--header 'Authorization: Bearer $API_KEY'                {
  "object": "list",
  "data": [
    {
      "id": "file-abc123",
      "object": "knowledgeBase.file",
      "created_at": 1677610602,
      "status": "init",
      "kb_id": "kb-abc123"
    }
  ]
}