Phases 3-4 of docs/website/THEMING_AND_NAV.md. Three presets, the curated font
shortlist, and /admin/appearance to drive them.
The design put the presets in theme.css as [data-theme] blocks. That does not
work: SiteContext writes --accent as an inline style on <html>, which beats any
attribute-selector block, so a preset's accent would have been painted over by
BRAND_ACCENT_COLOR while getPublic().brand.accent -- the value the Android app
themes itself from -- reported the other one.
Presets now live in server/src/config/themePresets.js. themeResolve.js layers
:root <- preset <- custom per field into a token map, getPublic() returns it as
`theme`, and the client writes it onto <html>. One authority for the merge, and
brand.accent is by construction the accent the site paints. theme.css's :root is
untouched, so an instance with no row gets no theme block and renders as today.
Also: presets carry the full 15-token palette (eight would have left Fantasy
with blue-grey borders); the option catalog is served from
GET /settings/theme/options so the form cannot offer what the server rejects;
validation is strict on write and forgiving on read; and the Discord bot now
fetches the effective accent instead of its boot-time env copy.
Fixes a Phase 0 bug in passing: settings/nav.controller.js imported the logger
factory rather than calling it, so a DB fault would have thrown a TypeError
inside the catch instead of returning 500.
Co-Authored-By: Claude <noreply@anthropic.com>
