REQUEST first GET http://127.0.0.1:18091/v1/data/accounts/account-cursor/messages?chat_id=chat-cursor&limit=1
HTTP 200
{
  "items": [
    {
      "message_id": "message-2",
      "source_time": "2026-01-01T00:00:02Z",
      "text": "fixture-two"
    }
  ],
  "limit": 1,
  "has_more": true,
  "next_cursor": "eyJ2IjoxLCJraW5kIjoibWVzc2FnZXMiLCJjaGF0X2lkIjoiY2hhdC1jdXJzb3IiLCJzb3J0X3RpbWUiOiIyMDI2LTAxLTAxVDAwOjAwOjAyWiIsIm1lc3NhZ2VfaWQiOiJtZXNzYWdlLTIifQ"
}
REQUEST second GET http://127.0.0.1:18091/v1/data/accounts/account-cursor/messages?chat_id=chat-cursor&limit=10&cursor=eyJ2IjoxLCJraW5kIjoibWVzc2FnZXMiLCJjaGF0X2lkIjoiY2hhdC1jdXJzb3IiLCJzb3J0X3RpbWUiOiIyMDI2LTAxLTAxVDAwOjAwOjAyWiIsIm1lc3NhZ2VfaWQiOiJtZXNzYWdlLTIifQ
HTTP 200
{
  "items": [
    {
      "message_id": "message-1",
      "source_time": "2026-01-01T00:00:01Z",
      "text": "fixture-one"
    }
  ],
  "limit": 10,
  "has_more": false,
  "next_cursor": ""
}
