Replace the minimal centered layout with a full literary/academic
homepage: logged-out users see an editorial hero, manifesto, demo
notes, and ZK primer; logged-in users see a personal launchpad
(greeting, repo tiles, last visited, review queue) followed by the
same editorial content below.
Uses DaisyUI CSS variables throughout (color-mix) so it adapts to
any theme change without hardcoded overrides.
The favicon animates from its large position in the WelcomeWorld title
to the smaller header position in PublicNoteListView and PublicNoteListByDidView.
