test(ci): add exporter heading levels and a11y typography smoke; update MAIN_PLAN

components/BuilderClientPage.sectionCanvas.test.tsx

@@ -0,0 +1,53 @@
+import { describe, it, expect } from 'vitest'
+import { render, screen, fireEvent } from '@testing-library/react'
+import React from 'react'
+import { NextIntlClientProvider } from 'next-intl'
+import enMessages from '@/messages/en.json'
+import BuilderClientPage from '@/components/BuilderClientPage'
+
+const messages: Record<string, string> = enMessages as Record<string, string>
+
+describe('BuilderClientPage - SectionCanvas integration', () => {
+  it('섹션을 추가하고 이동/삭제가 동작한다', () => {
+    render(
+      <NextIntlClientProvider locale="en" messages={messages}>
+        <BuilderClientPage />
+      </NextIntlClientProvider>
+    )
+
+    // 섹션 3개 추가: Hero, FAQ, CTA (data-testid 사용)
+    fireEvent.click(screen.getByTestId('btn-add-hero'))
+    fireEvent.click(screen.getByTestId('btn-add-faq'))
+    fireEvent.click(screen.getByTestId('btn-add-cta'))
+
+    const canvas = screen.getByTestId('section-canvas')
+    expect(canvas).toBeInTheDocument()
+
+    // 초기 순서 확인: hero, faq, cta
+    let items = canvas.querySelectorAll('li')
+    expect(items.length).toBe(3)
+    expect(items[0].textContent).toMatch(/hero/)
+    expect(items[1].textContent).toMatch(/faq/)
+    expect(items[2].textContent).toMatch(/cta/)
+
+    // 두 번째 항목(faq)을 위로 이동 (Up 1)
+    fireEvent.click(screen.getByLabelText('Up 1'))
+    items = canvas.querySelectorAll('li')
+    expect(items[0].textContent).toMatch(/faq/)
+    expect(items[1].textContent).toMatch(/hero/)
+
+    // 마지막 항목(cta)을 위로 이동 (Up 2)
+    fireEvent.click(screen.getByLabelText('Up 2'))
+    items = canvas.querySelectorAll('li')
+    expect(items[0].textContent).toMatch(/faq/)
+    expect(items[1].textContent).toMatch(/cta/)
+    expect(items[2].textContent).toMatch(/hero/)
+
+    // 가운데 항목(cta) 삭제 (Remove 1)
+    fireEvent.click(screen.getByLabelText('Remove 1'))
+    items = canvas.querySelectorAll('li')
+    expect(items.length).toBe(2)
+    expect(items[0].textContent).toMatch(/faq/)
+    expect(items[1].textContent).toMatch(/hero/)
+  })
+})