feat: establish nightdrive visual foundation

tests/browser/semantic.spec.ts

@@ -111,6 +111,25 @@ test('exposes the complete semantic portfolio from the generated document', asyn
   ).toBe(true);
 });
 
+test('loads the self-hosted Geist families for information and route text', async ({
+  page,
+  distUrl,
+}) => {
+  await page.goto(distUrl, { waitUntil: 'domcontentloaded' });
+  await page.evaluate(() => document.fonts.ready);
+
+  const fonts = await page.evaluate(() => ({
+    sansLoaded: document.fonts.check('16px "Geist Variable"'),
+    monoLoaded: document.fonts.check('16px "Geist Mono Variable"'),
+    headingFamily: getComputedStyle(document.querySelector('h1')!).fontFamily,
+    routeFamily: getComputedStyle(document.querySelector('.route-label')!).fontFamily,
+  }));
+
+  expect(fonts).toMatchObject({ sansLoaded: true, monoLoaded: true });
+  expect(fonts.headingFamily).toContain('Geist Variable');
+  expect(fonts.routeFamily).toContain('Geist Mono Variable');
+});
+
 test('keeps canonical native anchors and safe external destinations', async ({
   page,
   distUrl,

tests/unit/build-contract.test.ts

@@ -53,6 +53,23 @@ describe('trusted Vite asset closure', () => {
     });
   });
 
+  it('accepts Vite emitted-asset records when a reachable module owns the emitted file', () => {
+    const manifest = recursiveManifest();
+    manifest['index.html']!.assets = [
+      'assets/entry-logo-a1.webp',
+      'assets/geist-latin-a1.woff2',
+    ];
+    manifest['node_modules/font/files/geist-latin.woff2'] = {
+      file: 'assets/geist-latin-a1.woff2',
+      src: 'node_modules/font/files/geist-latin.woff2',
+    };
+
+    expect(resolveViteAssetClosure(manifest).viteAssets).toEqual([
+      'assets/entry-logo-a1.webp',
+      'assets/geist-latin-a1.woff2',
+    ]);
+  });
+
   it.each([
     {
       name: 'a missing exact index.html entry',