Three workflows in the state do not have the option to be started when updating items. They can only be started manually or when creating an article.
You can write a custom workflow to meet your needs or (you have not tried this, but you need a designer for that) – create a custom workflow up to your field is changed, and then call the three-state workflow of this workflow. .
Yes, the tri-state workflow will be triggered as soon as the item is created. It simply means that the workflow has been started and that it will proceed to the initial step only when the column value you specified in the initial workflow parameter step is filled in. . The workflow will not do anything if it does not go to the initial stage