feat(erp-frontend-vue): add Playwright E2E tests and update layout

Add Playwright configuration and E2E specs for key production, purchasing, and warehouse flows, and update layout/login to align with the new testing setup.

Made-with: Cursor

erp-frontend-vue/tests/production-purchase-plan.spec.ts

@@ -0,0 +1,32 @@
+import { test, expect } from '@playwright/test'
+import { login, clickSubMenu, clickMenuItem, expectBasicList } from './utils/erpTestUtils'
+
+test.describe('采购计划单页面', () => {
+  test('列表搜索 & 新增采购计划单 & 导出', async ({ page }) => {
+    await login(page)
+
+    await clickSubMenu(page, '生产计划')
+    await clickMenuItem(page, '/production/purchase-plan')
+    await expect(page).toHaveURL(/\/production\/purchase-plan/)
+    await expectBasicList(page)
+
+    const planCodeInput = page.getByPlaceholder(/计划单号|采购计划/).first().catch(() => null)
+    if (planCodeInput) {
+      await planCodeInput.fill('TEST')
+      await page.getByRole('button', { name: /搜索|查询/ }).click()
+    }
+
+    const addBtn = page.getByRole('button', { name: /新增|新建/ }).first()
+    await addBtn.click()
+    await expect(page).toHaveURL(/\/production\/purchase-plan\/(new|edit|form)/)
+    await expect(page.locator('.el-form').first()).toBeVisible()
+    await page.goBack().catch(() => {})
+
+    const exportBtn = page.getByRole('button', { name: /导出/ }).first()
+    if (await exportBtn.isVisible().catch(() => false)) {
+      await exportBtn.click()
+      // 此处主要校验点击不报错
+    }
+  })
+})
+