feat: redesign — scholarly ink + script mosaic

New design direction: warm parchment + deep printer's-ink blue-black +
oxidized copperplate teal accent + vermillion highlights. Avoids the
three current AI defaults (cream+terracotta serif, near-black+acid
green, broadsheet hairline columns).

Typography: Fraunces variable serif (characterful display with SOFT
and WONK axes) + Inter Tight body + JetBrains Mono. Replaces Newsreader
+ Inter to give the page personality beyond the standard issue.

Signature element: ScriptMosaic hero with 6 live transliteration cells
(Cyrillic, Arabic, Devanagari, Han, Ethiopic, Greek), each cycling
through real interscript-ts systems. The grid IS the design: many
scripts working simultaneously, like a museum of writing systems.

Other changes:
- New palette tokens (paper #f4ede0, ink #0e1620, accent #4a7a72,
  highlight #b8462e, plus surfaces and rules)
- Maps index page redesigned with 5-metric stats grid (total systems,
  authorities, source scripts, destination scripts, live-demoable)
- Footer elevates partner attribution with an In partnership with callout
  above the legal text. Ribose Inc. and U.S. NGA on every page.
- All partner attribution preserved: cooperative agreement NSG-2021-XXX,
  disclaimer, Ribose copyright

Tests:
- Updated existing palette/typography tests to new tokens
- Added script-mosaic.test.ts (10 component tests)
- Added redesign.test.ts (21 design-system + signature + partner tests)
- Extended maps-integration.test.ts with schemaVersion, stage count,
  any_char_class verification, and multi-script sampling
- 115 tests total, all passing

Author: ronaldtse

package-lock.json

@@ -20,7 +20,9 @@
   "dependencies": {
     "@asciidoctor/core": "^4.0.6",
     "@astrojs/vue": "^7.0.0",
+    "@fontsource-variable/fraunces": "^5.3.0",
     "@fontsource-variable/inter": "^5.3.0",
+    "@fontsource-variable/inter-tight": "^5.3.0",
     "@fontsource-variable/newsreader": "^5.3.0",
     "@fontsource/jetbrains-mono": "^5.3.0",
     "@tailwindcss/vite": "^4.0.0",