test(admin): protect editor shell boundary

apps/admin/src/test/wangeditor-customer/source-boundary.test.ts

+import { readFileSync } from 'node:fs'
+import { resolve } from 'node:path'
+import { describe, expect, it } from 'vitest'
+
+const shellPath = resolve(process.cwd(), 'src/common/wangeditor-customer/shell/WangEditorCustomer.jsx')
+const shellSource = readFileSync(shellPath, 'utf8')
+
+describe('WangEditorCustomer shell boundary', () => {
+  it('depends on the feature composition entry rather than feature internals', () => {
+    expect(shellSource).not.toMatch(/from\s+['"][^'"]*features\//)
+  })
+
+  it.each([
+    'ImageMenuClick',
+    'GalleryMenuClick',
+    'PracticeMenuClick',
+    'window.dispatchEvent',
+    'document.querySelector(',
+  ])('does not contain %s', forbidden => {
+    expect(shellSource).not.toContain(forbidden)
+  })
+})