feat: 添加Playwright E2E自动化测试完整方案

- 创建完整Playwright测试方案文档（docs/specs/）
- 创建Playwright配置文件（tests/playwright.config.ts）
- 创建测试数据工具类（tests/e2e/utils/test-data.ts）
- 建立测试目录结构：fixtures/pages/specs/utils
- 支持CI/CD集成，测试失败阻断发布
- 覆盖登录、门诊医生站、手术计费、Bug回归测试

关联任务: UI功能性测试方案落地

openhis-ui-vue3/tests/e2e/utils/test-data.ts

@@ -0,0 +1,13 @@
+export const TEST_USERS = {
+  admin: {
+    username: process.env.TEST_USERNAME || 'admin',
+    password: process.env.TEST_PASSWORD || '123456',
+  },
+};
+
+export const TEST_URLS = {
+  login: '/',
+  dashboard: '/dashboard',
+  doctorStation: '/doctorstation',
+  surgeryBilling: '/surgery-billing',
+};

openhis-ui-vue3/tests/playwright.config.ts

@@ -0,0 +1,21 @@
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: './tests/e2e/specs',
+  timeout: 60 * 1000,
+  expect: { timeout: 10000 },
+  fullyParallel: false,
+  forbidOnly: !!process.env.CI,
+  retries: process.env.CI ? 2 : 0,
+  workers: 1,
+  reporter: [['html', { outputFolder: 'playwright-report' }], ['list']],
+  use: {
+    baseURL: process.env.TEST_BASE_URL || 'http://localhost:80',
+    trace: 'on-first-retry',
+    screenshot: 'only-on-failure',
+    video: 'retain-on-failure',
+  },
+  projects: [
+    { name: 'chromium', use: { ...devices['Desktop Chrome'] } },
+  ],
+});