feat: WYSIWYG 전용 경로 추가(/[locale]/wysiwyg) 및 샘플 페이지/테스트 구현

components/wysiwyg/WysiwygPage.test.tsx

@@ -0,0 +1,15 @@
+import { describe, it, expect } from 'vitest'
+import { render, screen } from '@testing-library/react'
+import { WysiwygPage } from '@/components/wysiwyg/WysiwygPage'
+
+describe('WysiwygPage', () => {
+  it('renders Canvas with a sample frame and aria-live region', () => {
+    render(<WysiwygPage />)
+    const canvas = screen.getByTestId('wysiwyg-canvas')
+    expect(canvas).toBeInTheDocument()
+    // at least one object is present
+    expect(screen.getByTestId('obj-o1')).toBeInTheDocument()
+    // a11y live region exists
+    expect(screen.getByTestId('aria-live')).toBeInTheDocument()
+  })
+})