curl --request GET \
  --url https://zeus-api.agentspro.cn/api/knowledge-base/kb_abc123/documents \
  --header 'Authorization: Bearer <token>'

{
  "documents": [
    {
      "id": "doc_xyz789",
      "fileName": "product-guide.pdf",
      "fileType": "application/pdf",
      "fileSize": 2048576,
      "status": "completed",
      "chunkCount": 45,
      "errorMessage": null,
      "createdAt": "2025-06-10T08:00:00Z"
    }
  ]
}