curl --request GET \
  --url http://co-mind-platform-host/v1/knowledgebases/{id}/files \
  --header 'Authorization: Bearer <token>'

{
  "object": "list",
  "data": [
    {
      "id": "file_xyz789",
      "object": "knowledgebase.file",
      "knowledgebase_id": "kb_abc123",
      "filename": "documentation.pdf",
      "size_bytes": 51200,
      "status": "completed",
      "created_at": 1699564800
    }
  ]
}