Fix E2E tests to match restored modal overlay UI

The recipe detail was reverted to modal with tabs (卡片预览/编辑),
so tests now click the 编辑 tab before checking for editor elements.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/cypress/e2e/recipe-detail.cy.js

@@ -59,16 +59,18 @@ describe('Recipe Detail - Editor (Admin)', () => {
     cy.get('.recipe-card', { timeout: 10000 }).should('have.length.gte', 1)
   })
 
-  it('shows editable ingredients table directly', () => {
+  it('shows editable ingredients table in editor tab', () => {
     cy.get('.recipe-card').first().click()
     cy.wait(500)
-    cy.get('.oil-select, .drops-input').should('exist')
+    cy.contains('编辑').click()
+    cy.get('.editor-select, .editor-drops').should('exist')
   })
 
-  it('shows add ingredient button', () => {
+  it('shows add ingredient button in editor tab', () => {
     cy.get('.recipe-card').first().click()
     cy.wait(500)
-    cy.contains('加精油').should('exist')
+    cy.contains('编辑').click()
+    cy.contains('添加精油').should('exist')
   })
 
   it('shows export image button', () => {