Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/javascript/widget/composables/specs/useDarkMode.spec.js

@@ -0,0 +1,49 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { useDarkMode } from '../useDarkMode';
+import { useMapGetter } from 'dashboard/composables/store';
+
+vi.mock('dashboard/composables/store', () => ({
+  useMapGetter: vi.fn(),
+}));
+
+describe('useDarkMode', () => {
+  let mockDarkMode;
+
+  beforeEach(() => {
+    mockDarkMode = { value: 'light' };
+    vi.mocked(useMapGetter).mockReturnValue(mockDarkMode);
+  });
+
+  it('returns darkMode, prefersDarkMode', () => {
+    const result = useDarkMode();
+    expect(result).toHaveProperty('darkMode');
+    expect(result).toHaveProperty('prefersDarkMode');
+  });
+
+  describe('prefersDarkMode', () => {
+    it('returns false when darkMode is light', () => {
+      const { prefersDarkMode } = useDarkMode();
+      expect(prefersDarkMode.value).toBe(false);
+    });
+
+    it('returns true when darkMode is dark', () => {
+      mockDarkMode.value = 'dark';
+      const { prefersDarkMode } = useDarkMode();
+      expect(prefersDarkMode.value).toBe(true);
+    });
+
+    it('returns true when darkMode is auto and OS prefers dark mode', () => {
+      mockDarkMode.value = 'auto';
+      vi.spyOn(window, 'matchMedia').mockReturnValue({ matches: true });
+      const { prefersDarkMode } = useDarkMode();
+      expect(prefersDarkMode.value).toBe(true);
+    });
+
+    it('returns false when darkMode is auto and OS prefers light mode', () => {
+      mockDarkMode.value = 'auto';
+      vi.spyOn(window, 'matchMedia').mockReturnValue({ matches: false });
+      const { prefersDarkMode } = useDarkMode();
+      expect(prefersDarkMode.value).toBe(false);
+    });
+  });
+});