[{"role": "system","content": "some system message"},{"role": "user","content": "some user message"}]
, it will be converted to ['{"role": "system","content": "some system message"}','{"role": "user","content": "some user message"}']
{ "model": "some-model", "max_tokens": 1024, "messages": {{={{messages_hist}}.map(JSON.parse)=}}, "stream": false }