I believe we need to have a fundamentally different approach so as to solve this problem here;I think Voiden does justice to that.

You may check out : https://voiden.md

We opensourced sometime back.Voiden is offline and markdown based.

I believe we check all the boxes of >What the Ideal API Tool Would Look Like

You can check our blog to know how voiden is designed here:https://voiden.md/blog/api-testing-with-reusable-blocks