feat: remove cover page

src/components/A4Workspace.test.ts

@@ -0,0 +1,27 @@
+import { mount } from '@vue/test-utils'
+import { describe, expect, it } from 'vitest'
+import { createEmptyTeachingDesign } from '../domain/teachingDesign'
+import A4Workspace from './A4Workspace.vue'
+
+describe('A4Workspace', () => {
+  it('renders a selected lesson without cover state', () => {
+    const design = createEmptyTeachingDesign('1.md')
+    design.topic = 'CSS 弹性布局'
+
+    const wrapper = mount(A4Workspace, {
+      props: { selectedDesign: design },
+    })
+
+    expect(Object.keys(wrapper.props()).sort()).toEqual(['selectedDesign'])
+    expect(wrapper.find('.cover-page').exists()).toBe(false)
+    expect(wrapper.find('.teaching-design-page').exists()).toBe(true)
+  })
+
+  it('renders no page when no lesson is selected', () => {
+    const wrapper = mount(A4Workspace, {
+      props: { selectedDesign: null },
+    })
+
+    expect(wrapper.find('.page').exists()).toBe(false)
+  })
+})