feat(navigation): add Material You app shell

src/features/theme/services/MaterialYouNavigation.test.ts

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+import assert from 'node:assert/strict';
+import { describe, it } from 'node:test';
+import { MATERIAL_YOU_NAVIGATION } from '@/features/navigation-bar/MaterialYouNavigation.ts';
+
+describe('Material You navigation tokens', () => {
+    it('uses accessible rail and bottom-bar dimensions', () => {
+        assert.equal(MATERIAL_YOU_NAVIGATION.railWidth, 88);
+        assert.equal(MATERIAL_YOU_NAVIGATION.expandedWidth, 280);
+        assert.equal(MATERIAL_YOU_NAVIGATION.bottomBarMinHeight, 80);
+        assert.ok(MATERIAL_YOU_NAVIGATION.touchTarget >= 44);
+    });
+
+    it('uses pill indicators and an accessible landmark label', () => {
+        assert.equal(MATERIAL_YOU_NAVIGATION.activeIndicatorRadius, 999);
+        assert.equal(MATERIAL_YOU_NAVIGATION.landmarkLabel, 'Primary navigation');
+    });
+});