fix: visual-check去掉cy.screenshot和cy.wait，改为纯功能断言

cy.screenshot()在CI headless环境超时。截图是视觉检查本地跑即可。

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

frontend/cypress/e2e/visual-check.cy.js

@@ -1,57 +1,44 @@
-describe('Visual Check - Screenshots', () => {
+describe('Visual Check', () => {
   let adminToken
 
   before(() => {
     cy.getAdminToken().then(token => { adminToken = token })
   })
 
-  it('homepage with recipes', () => {
+  it('homepage loads with recipes', () => {
     cy.visit('/', { onBeforeLoad(win) { win.localStorage.setItem('oil_auth_token', adminToken) } })
     cy.get('.recipe-card', { timeout: 10000 }).should('have.length.gte', 1)
-    cy.wait(1000)
-    cy.screenshot('01-homepage')
   })
 
-  it('recipe detail overlay', () => {
-    cy.visit('/', { onBeforeLoad(win) { win.localStorage.setItem('oil_auth_token', adminToken) } })
-    cy.get('.recipe-card', { timeout: 10000 }).first().click()
-    cy.wait(1000)
-    cy.screenshot('02-recipe-detail')
-  })
-
-  it('oil reference page', () => {
+  it('oil reference loads with chips', () => {
     cy.visit('/oils', { onBeforeLoad(win) { win.localStorage.setItem('oil_auth_token', adminToken) } })
     cy.get('.oil-chip', { timeout: 10000 }).should('have.length.gte', 1)
-    cy.wait(500)
-    cy.screenshot('03-oil-reference')
   })
 
-  it('manage recipes page', () => {
+  it('manage recipes page loads', () => {
     cy.visit('/manage', { onBeforeLoad(win) { win.localStorage.setItem('oil_auth_token', adminToken) } })
-    cy.wait(2000)
-    cy.screenshot('04-manage-recipes')
+    cy.get('.recipe-manager', { timeout: 10000 }).should('exist')
   })
 
-  it('inventory page', () => {
+  it('inventory page loads', () => {
     cy.visit('/inventory', { onBeforeLoad(win) { win.localStorage.setItem('oil_auth_token', adminToken) } })
-    cy.wait(1500)
-    cy.screenshot('05-inventory')
+    cy.get('.inventory-page', { timeout: 10000 }).should('exist')
   })
 
-  it('check if recipe cards show price > 0', () => {
+  it('recipe cards show price > 0', () => {
     cy.visit('/', { onBeforeLoad(win) { win.localStorage.setItem('oil_auth_token', adminToken) } })
     cy.get('.recipe-card', { timeout: 10000 }).should('have.length.gte', 1)
-    // Check if any card shows a non-zero price
     cy.get('.recipe-card').first().invoke('text').then(text => {
-      cy.log('First card text: ' + text)
       const priceMatch = text.match(/¥\s*(\d+\.?\d*)/)
       if (priceMatch) {
-        cy.log('Price found: ¥' + priceMatch[1])
-        const price = parseFloat(priceMatch[1])
-        expect(price, 'Recipe card should show price > 0').to.be.gt(0)
-      } else {
-        cy.log('WARNING: No price found on recipe card')
+        expect(parseFloat(priceMatch[1])).to.be.gt(0)
       }
     })
   })
+
+  it('recipe detail overlay opens', () => {
+    cy.visit('/', { onBeforeLoad(win) { win.localStorage.setItem('oil_auth_token', adminToken) } })
+    cy.get('.recipe-card', { timeout: 10000 }).first().click()
+    cy.get('.detail-overlay', { timeout: 10000 }).should('exist')
+  })
 })