테스트/린트 안정화: 버튼 쿼리 모호성 제거, 훅 deps 보강, vi.spyOn 모킹, 멀티선택 Moveable 간섭 방지 재확인, 스냅 우선순위 회귀 그린

components/wysiwyg/WysiwygBuilder.guides.acceptance.test.tsx

@@ -0,0 +1,27 @@
+import { describe, it, expect } from 'vitest'
+import { render, screen, fireEvent } from '@testing-library/react'
+import { WysiwygBuilderPage } from '@/components/wysiwyg/WysiwygBuilderPage'
+
+describe('WYSIWYG Builder - Guides UI toggle', () => {
+  it('shows guides by default, and hides when toggle is off', async () => {
+    render(<WysiwygBuilderPage />)
+
+    // add a text and select it (exact match to avoid matching 'Add Textarea')
+    fireEvent.click(screen.getByRole('button', { name: /^Add Text$/i }))
+    const obj = await screen.findByTestId(/obj-text-/)
+    fireEvent.mouseDown(obj, { clientX: 80, clientY: 80 })
+
+    // default ON: start drag -> guides should appear
+    const canvas = screen.getByTestId('wysiwyg-canvas')
+    fireEvent.mouseDown(obj, { clientX: 120, clientY: 120 })
+    fireEvent.mouseMove(canvas, { clientX: 124, clientY: 124 })
+    expect(await screen.findByTestId('guide-x')).toBeInTheDocument()
+
+    // end drag, then turn OFF and verify guides disappear on further movement
+    const btn = screen.getByRole('button', { name: /Guides/i })
+    fireEvent.mouseUp(canvas)
+    fireEvent.click(btn)
+    fireEvent.mouseMove(canvas, { clientX: 132, clientY: 132 })
+    expect(screen.queryByTestId('guide-x')).toBeNull()
+  })
+})