refactor: 彻底清除所有openhis痕迹

- 重命名目录: openhis-server-new → healthlink-his-server
- 重命名目录: openhis-ui-vue3 → healthlink-his-ui
- 重命名Java类: OpenHisApplication → HealthLinkHisApplication
- 重命名Java类: OpenHisMiniApp → HealthLinkHisMiniApp
- 重命名组件目录: OpenHis → HealthLinkHis
- 重命名样式文件: openhis.scss → healthlink-his.scss
- 重命名配置: nginx-openhis.conf → nginx-healthlink-his.conf
- 更新所有源码引用 (0个残留)
- 更新所有文档/脚本/配置中的引用

healthlink-his-ui/tests/e2e/fixtures/auth.ts

@@ -0,0 +1,17 @@
+import { test as base } from '@playwright/test';
+import { TEST_USERS } from '../utils/test-data';
+
+export const test = base.extend({
+  async authenticatedPage({ page }, use) {
+    // 登录
+    await page.goto('/');
+    await page.fill('input[placeholder="请输入用户名"]', TEST_USERS.admin.username);
+    await page.fill('input[placeholder="请输入密码"]', TEST_USERS.admin.password);
+    await page.click('button:has-text("登录")');
+    await page.waitForURL(/.*(dashboard|home).*/);
+    
+    await use(page);
+  },
+});
+
+export { expect } from '@playwright/test';