test: add notification accessibility coverage

Author: coffeee27

models/Notification.accessibility.test.ts

@@ -0,0 +1,42 @@
+import { describe, it, expect } from 'vitest';
+import { Notification } from './Notification';
+
+describe('Notification Model - Accessibility & Screen Reader Aria Compliance', () => {
+  it('provides accessible username field metadata', () => {
+    const usernamePath = Notification.schema.path('username');
+
+    expect(usernamePath).toBeDefined();
+    expect(usernamePath.instance).toBe('String');
+  });
+
+  it('provides accessible email field metadata', () => {
+    const emailPath = Notification.schema.path('email');
+
+    expect(emailPath).toBeDefined();
+    expect(emailPath.instance).toBe('String');
+  });
+
+  it('ensures notification frequency options are clearly enumerable for assistive technologies', () => {
+    const frequencyPath = Notification.schema.path('frequency');
+
+    expect(frequencyPath).toBeDefined();
+    expect((frequencyPath as { enumValues: string[] }).enumValues).toEqual([
+      'realtime',
+      'daily',
+      'weekly',
+    ]);
+  });
+
+  it('ensures boolean notification preferences expose explicit state values', () => {
+    expect(Notification.schema.path('notifyOnCommit')).toBeDefined();
+    expect(Notification.schema.path('notifyOnStreak')).toBeDefined();
+    expect(Notification.schema.path('notifyOnMilestone')).toBeDefined();
+  });
+
+  it('ensures active status field exists for accessibility state tracking', () => {
+    const activePath = Notification.schema.path('isActive');
+
+    expect(activePath).toBeDefined();
+    expect(activePath.instance).toBe('Boolean');
+  });
+});