If you work with Next.js, you know this routine. Write an API route, switch to Postman or Thunder Client, rebuild the request, test it, then jump back to your code. Do this a few times a day and it starts to eat into your focus. The problem is not that these tools are bad. It is the constant context switch. Your routes live in your codebase, but your tests live somewhere else, usually behind a login screen. Why the usual workflow gets annoying If you have worked on a decent-sized Next.j...