test(e2e): 改进 Playwright 测试框架和 E2E 测试

- 更新 Playwright 配置，添加认证状态管理和 setup 项目
- 优化 E2E 测试用例，简化测试流程
- 添加 auth-debug.spec.ts 用于调试认证问题
- 添加 playwright/.auth/user.json 认证状态文件

e2e-tests/pages/DictionaryManagementPage.ts

@@ -28,9 +28,10 @@ export class DictionaryManagementPage {
       console.log('导航到字典管理页面...');
       await this.page.goto('/dict');
       
-      await this.page.waitForLoadState('networkidle');
-      await this.table.waitFor({ state: 'visible', timeout: 10000 });
-      await expect(this.page).toHaveURL(/.*dict/);
+      await this.page.waitForLoadState('domcontentloaded');
+      await this.page.waitForTimeout(1000);
+      await this.table.waitFor({ state: 'visible', timeout: 15000 });
+      await expect(this.page).toHaveURL(/.*dict/, { timeout: 15000 });
       
       console.log('字典管理页面加载完成');
     } catch (error) {