feat(learning): replace courses with project catalog

tests/unit/learning-sidebar.test.tsx

@@ -1,68 +1,33 @@
-import { fireEvent, render, screen, within } from '@testing-library/react';
-import { beforeEach, describe, expect, it, vi } from 'vitest';
+import { fireEvent, render, screen } from '@testing-library/react';
+import { describe, expect, it } from 'vitest';
 import { MemoryRouter, Route, Routes, useLocation } from 'react-router-dom';
 import { LearningSidebar } from '@/components/layout/LearningSidebar';
 
-const fetchMyLearningCoursesMock = vi.hoisted(() => vi.fn());
-const listInstalledLearningCoursesMock = vi.hoisted(() => vi.fn());
-const downloadLearningCourseMock = vi.hoisted(() => vi.fn());
-
-vi.mock('@/lib/learning', () => ({
-  LEARNING_LIBRARY_CHANGED_EVENT: 'makelore:learning-library-changed',
-  fetchMyLearningCourses: fetchMyLearningCoursesMock,
-  listInstalledLearningCourses: listInstalledLearningCoursesMock,
-  downloadLearningCourse: downloadLearningCourseMock,
-}));
-
-const downloadedCourse = {
-  id: 'course-local',
-  origin: 'ops_large',
-  status: 'published',
-  title: '本机互动课',
-  summary: null,
-  language: 'zh-CN',
-  contentHash: 'c'.repeat(64),
-  archiveSha256: 'd'.repeat(64),
-  archiveBytes: 2048,
-  formatVersion: 1,
-  minPlayerVersion: '1.0.0',
-  sceneCount: 8,
-  capabilities: { sceneKinds: ['slide'], hasAudio: false, hasWhiteboard: false, hasAgent: true },
-  createdAt: '2026-08-16T00:00:00Z',
-  publishedAt: '2026-08-16T00:00:00Z',
-} as const;
-
 function LocationProbe() {
   const location = useLocation();
-  return <output data-testid="location-path">{location.pathname}{location.search}</output>;
+  return <output data-testid="location-path">{location.pathname}</output>;
 }
 
 describe('LearningSidebar', () => {
-  beforeEach(() => {
-    fetchMyLearningCoursesMock.mockReset();
-    listInstalledLearningCoursesMock.mockReset();
-    downloadLearningCourseMock.mockReset();
-    fetchMyLearningCoursesMock.mockResolvedValue([{ ...downloadedCourse, id: 'course-generated', origin: 'user_single', status: 'ready', title: '我生成的物理课', publishedAt: null }]);
-    listInstalledLearningCoursesMock.mockResolvedValue([{ schemaVersion: 1, course: downloadedCourse, archivePath: '/tmp/course-local.zip', installedAt: '2026-08-16T00:00:00Z' }]);
-  });
-
-  it('keeps generation and personal course cards in the existing main sidebar', async () => {
+  it('shows only the new project catalog navigation and returns detail pages to the list', () => {
     render(
-      <MemoryRouter initialEntries={['/learning']}>
+      <MemoryRouter initialEntries={['/learning/project/project-1']}>
         <Routes>
           <Route path="*" element={<><LearningSidebar sidebarCollapsed={false} /><LocationProbe /></>} />
         </Routes>
       </MemoryRouter>,
     );
 
-    const sidebarContent = screen.getByTestId('sidebar-learning-navigation');
-    expect(within(sidebarContent).getByRole('button', { name: '生成课程' })).toBeEnabled();
-    expect(await within(sidebarContent).findByText('本机互动课')).toBeInTheDocument();
-    expect(within(sidebarContent).getByText('我生成的物理课')).toBeInTheDocument();
-    expect(within(sidebarContent).getByText('已下载到本机')).toBeInTheDocument();
-    expect(within(sidebarContent).getByText('我生成的，待下载')).toBeInTheDocument();
+    expect(screen.getByRole('navigation', { name: 'AI 学习导航' })).toHaveTextContent('学习项目');
+    expect(screen.queryByText('生成课程')).not.toBeInTheDocument();
+    expect(screen.queryByText('我的课程')).not.toBeInTheDocument();
+    fireEvent.click(screen.getByRole('button', { name: '学习项目' }));
+    expect(screen.getByTestId('location-path')).toHaveTextContent('/learning');
+  });
 
-    fireEvent.click(within(sidebarContent).getByRole('button', { name: '生成课程' }));
-    expect(screen.getByTestId('location-path')).toHaveTextContent('/learning?generate=1');
+  it('keeps the collapsed navigation compact', () => {
+    render(<MemoryRouter><LearningSidebar sidebarCollapsed /></MemoryRouter>);
+    expect(screen.getByRole('button', { name: '学习项目' })).toBeInTheDocument();
+    expect(screen.queryByText('阅读项目说明并下载到电脑实践。')).not.toBeInTheDocument();
   });
 });