Migrate the entire admin section from the dark guild-* Tailwind theme
to the zine design system (dashed borders, CSS custom properties,
Brygada 1918 + Commit Mono, cream/dark mode palette).
- Replace admin top-nav layout with sidebar matching default layout
- Reskin dashboard, members, events, series management pages
- Reskin events/create and series/create form pages
- Add dev-only test login endpoint (GET /api/dev/test-login)
- Redirect duplicate admin/dashboard.vue to /admin
- Update CLAUDE.md design system docs
Replace ghost/whisper/sparkle color palettes with guild/candlelight/parchment/ember/earth tokens.
Switch typography from NB Television Pro to Quietism serif. Update all 25 Vue components,
layouts, and pages to new design system. Add circle color tokens, typography scale, prose-guild
class, and warm texture effects. Clean up stale documentation files.
