You could use aider copy-paste with aistudio ui or any other web chat. You could use gemini-2.0-flash for the aider model that will apply the changes. But I understand your first point.

I also understand having build your own tool to fit your own workflow. And being able to easily mold it to what you need.

yup exactly. as weird workflows emerge it’s nicer to have your own weird tooling around this until we all converge to one optimal way.