feat(doctor): add system diagnostics feature

tests/frontend/core/appCore.test.js

@@ -50,6 +50,12 @@ vi.mock('../../../static/js/managers/HelpManager.js', () => ({
   },
 }));
 
+vi.mock('../../../static/js/managers/DoctorManager.js', () => ({
+  doctorManager: {
+    initialize: vi.fn(),
+  },
+}));
+
 vi.mock('../../../static/js/managers/BannerService.js', () => ({
   bannerService: {
     initialize: vi.fn(),
@@ -103,6 +109,7 @@ import { moveManager } from '../../../static/js/managers/MoveManager.js';
 import { bulkManager } from '../../../static/js/managers/BulkManager.js';
 import { ExampleImagesManager } from '../../../static/js/managers/ExampleImagesManager.js';
 import { helpManager } from '../../../static/js/managers/HelpManager.js';
+import { doctorManager } from '../../../static/js/managers/DoctorManager.js';
 import { bannerService } from '../../../static/js/managers/BannerService.js';
 import { initTheme, initBackToTop } from '../../../static/js/utils/uiHelpers.js';
 import { onboardingManager } from '../../../static/js/managers/OnboardingManager.js';
@@ -187,6 +194,7 @@ describe('AppCore initialization flow', () => {
     delete window.helpManager;
     delete window.moveManager;
     delete window.bulkManager;
+    delete window.doctorManager;
     delete window.headerManager;
     delete window.i18n;
     delete window.pageContextMenu;
@@ -214,6 +222,7 @@ describe('AppCore initialization flow', () => {
     expect(bannerService.initialize).toHaveBeenCalledTimes(1);
     expect(window.modalManager).toBe(modalManager);
     expect(window.settingsManager).toBe(settingsManager);
+    expect(window.doctorManager).toBe(doctorManager);
     expect(window.moveManager).toBe(moveManager);
     expect(window.bulkManager).toBe(bulkManager);
     expect(HeaderManager).toHaveBeenCalledTimes(1);
@@ -227,6 +236,7 @@ describe('AppCore initialization flow', () => {
     expect(window.exampleImagesManager).toBe(exampleImagesManagerInstance);
     expect(exampleImagesManagerInitialize).toHaveBeenCalledTimes(1);
     expect(helpManager.initialize).toHaveBeenCalledTimes(1);
+    expect(doctorManager.initialize).toHaveBeenCalledTimes(1);
     expect(document.body.classList.contains('hover-reveal')).toBe(true);
     expect(initializeEventManagement).toHaveBeenCalledTimes(1);
     expect(onboardingManager.start).not.toHaveBeenCalled();

tests/frontend/managers/DoctorManager.test.js

@@ -0,0 +1,56 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import { mountMarkup, resetDom } from '../utils/domFixtures.js';
+
+vi.mock('../../../static/js/managers/ModalManager.js', () => ({
+  modalManager: {
+    showModal: vi.fn(),
+  },
+}));
+
+vi.mock('../../../static/js/utils/uiHelpers.js', () => ({
+  showToast: vi.fn(),
+}));
+
+vi.mock('../../../static/js/utils/i18nHelpers.js', () => ({
+  translate: vi.fn((key, _params, fallback) => fallback || key),
+}));
+
+vi.mock('../../../static/js/components/shared/utils.js', () => ({
+  escapeHtml: vi.fn((value) => String(value)),
+}));
+
+import { DoctorManager } from '../../../static/js/managers/DoctorManager.js';
+
+function renderDoctorFixture() {
+  mountMarkup(`
+    <button id="doctorTriggerBtn"></button>
+    <span id="doctorStatusBadge" class="hidden"></span>
+    <div id="doctorModal"></div>
+    <div id="doctorIssuesList"></div>
+    <div id="doctorSummaryText"></div>
+    <div id="doctorSummaryBadge"></div>
+    <div id="doctorLoadingState"></div>
+    <button id="doctorRefreshBtn"></button>
+    <button id="doctorExportBtn"></button>
+  `);
+  document.body.dataset.appVersion = '1.2.3-test';
+}
+
+describe('DoctorManager', () => {
+  beforeEach(() => {
+    resetDom();
+    vi.clearAllMocks();
+    delete window.__lmDoctorConsolePatched;
+    delete window.__lmDoctorConsoleEntries;
+  });
+
+  it('does not run diagnostics during initialize', () => {
+    renderDoctorFixture();
+    const manager = new DoctorManager();
+    const refreshSpy = vi.spyOn(manager, 'refreshDiagnostics').mockResolvedValue(undefined);
+
+    manager.initialize();
+
+    expect(refreshSpy).not.toHaveBeenCalled();
+  });
+});