This is very cool!!! I wonder if we should put it into Quartz directly.

I opened a 3 issues with Amber that I came upon when developing this and they've already fixed and/or replied to them so once I verify everything is good there, than sure, we can do something like that.

You may also do a default Compose Login that anyone can use out of the box. I have been thinking about that for Quartz for quite some time...

That's super interesting actually. I have something similar in a back end I'm getting ready to release so devs can just write front ends in whatever language/platform they want and have something similar built in.

app that needs a signature to make it work with any signer that has nip-55 support.