curl --request PUT \
  --url https://api.pulze.ai/v1/apps/{app_id}/assistants/{assistant_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "avatar": "<string>",
  "description": "<string>",
  "assistant_config": {}
}
'

{
  "name": "<string>",
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "app_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "slug": "<string>",
  "avatar": "<string>",
  "description": "<string>",
  "visibility": "private",
  "definition_visibility": "private"
}