fix: 修复Playwright页面对象定义错误 + 根目录config

- 修复LoginPage/SurgeryBillingPage/DoctorStationPage中page变量作用域问题
- 新增根目录playwright.config.ts（解决配置加载问题）
- .gitignore添加test-results和report目录排除

openhis-ui-vue3/playwright.config.ts

@@ -0,0 +1,28 @@
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: './tests/e2e/specs',
+  fullyParallel: true,
+  timeout: 60_000,
+  expect: { timeout: 10_000 },
+  retries: process.env.CI ? 2 : 1,
+  workers: process.env.CI ? 2 : undefined,
+  reporter: [
+    ['html', { outputFolder: 'tests/e2e/report', open: 'never' }],
+    ['list'],
+  ],
+  use: {
+    baseURL: process.env.TEST_BASE_URL || 'http://localhost:81',
+    screenshot: 'only-on-failure',
+    video: 'retain-on-failure',
+    trace: 'retain-on-failure',
+    viewport: { width: 1920, height: 1080 },
+    locale: 'zh-CN',
+    timezoneId: 'Asia/Shanghai',
+    actionTimeout: 15_000,
+    navigationTimeout: 30_000,
+  },
+  projects: [
+    { name: 'chromium', use: { ...devices['Desktop Chrome'] } },
+  ],
+});