[Init] Initial commit - NetMesh terminal manager

infrastructure/config/uiFontBootstrap.test.ts

@@ -0,0 +1,35 @@
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import { describe, it } from 'node:test';
+
+/**
+ * Regression for #2647: Windows boot CSS used a higher-specificity
+ * `html.platform-win32 body { font-family: ... }` rule that beat
+ * `body { font-family: var(--font-sans) }` from index.css. Popovers /
+ * context menus inherit from body, so transfer / sync / quick-control
+ * panels and menu items ignored the Appearance UI font setting.
+ */
+const indexHtml = readFileSync(new URL('../../index.html', import.meta.url), 'utf8');
+
+describe('index.html UI font bootstrap', () => {
+  it('applies the runtime --font-sans variable on body', () => {
+    assert.match(
+      indexHtml,
+      /body\s*\{[^}]*font-family:\s*var\(--font-sans\)/s,
+      'body must use var(--font-sans) so Appearance UI font updates reach portaled panels',
+    );
+  });
+
+  it('does not hardcode a Windows body font stack that overrides --font-sans', () => {
+    assert.doesNotMatch(
+      indexHtml,
+      /html\.platform-win32\s+body\s*\{[^}]*font-family:/s,
+      'platform-win32 must not set body font-family; emoji fallbacks belong on --font-sans',
+    );
+    assert.doesNotMatch(
+      indexHtml,
+      /body\s*\{[^}]*font-family:\s*['"]Space Grotesk['"]/s,
+      'body must not hardcode Space Grotesk ahead of the user UI font setting',
+    );
+  });
+});