I'd like to see this. I don't have anything I can share publicly, but I've been making stuff with Django, htmx, SQLAlchemy and plotly and I've found it to be pretty robust
I'm not sure it's the most elegant solution, but it has been pretty functional
Fun fact (and a bit of a brag, apologies), I was the contributor that added the “new” Expressions API with the intent of building a reporting platform on top of it. That platform never eventuated but I’ve still got lots of use out of those APIs.