Interesting read, Jeremy.
Just on the plumbing side of things I'm currently thinking how I want a more comprehensive main page for myself (currently trying out a WordPress instance), whilst having my Known posts show up on the same page. That way I won't have two completely separate streams. I don't have the plumbing skills to do the manual stuff you have, but it's interesting that those of us on the #indieweb journey are wrestling with similar principles.
Obviously one size will never fit all (or we may as well go back to silos!) but it's certainly useful to see the different sizes on offer!