List objects, one page at a time

{
  "files": [
    {
      "key": "avatars/ada.png",
      "size": 20480,
      "content_type": "image/png",
      "modified": "2026-10-27T09:30:00+00:00",
      "etag": "9b2cf535f27731c974343645a3985328",
      "url": "https://api.example.com/storage/v1/files/production/avatars/avatars/ada.png"
    }
  ],
  "prefixes": [
    "avatars/2026/"
  ],
  "cursor": null
}