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/utils/erpTestUtils.ts

@@ -0,0 +1,33 @@
+import { expect, Page } from '@playwright/test'
+
+export const USERNAME = process.env.ERP_USER || 'admin'
+export const PASSWORD = process.env.ERP_PASS || 'admin123'
+
+export async function login(page: Page) {
+  await page.goto('/login')
+
+  await page.getByPlaceholder(/用户名|账号/).fill(USERNAME)
+  await page.getByPlaceholder(/密码/).fill(PASSWORD)
+
+  const codeInput = page.getByPlaceholder(/验证码/).first()
+  if (await codeInput.isVisible().catch(() => false)) {
+    await codeInput.fill('0000')
+  }
+
+  await page.getByRole('button', { name: /登录|登 录/ }).click()
+  await expect(page).toHaveURL(/dashboard/)
+}
+
+export async function clickSubMenu(page: Page, title: string) {
+  await page.click(`.el-sub-menu__title:has-text("${title}")`)
+}
+
+export async function clickMenuItem(page: Page, path: string) {
+  await page.click(`.el-menu-item[index="${path}"]`)
+}
+
+export async function expectBasicList(page: Page) {
+  await expect(page.locator('.el-form').first()).toBeVisible()
+  await expect(page.locator('.el-table').first()).toBeVisible()
+}
+