feat: 添加测试框架和覆盖率报告功能

feat(测试): 新增Playwright和Vitest测试配置
feat(测试): 添加测试覆盖率报告生成功能
feat(测试): 实现前后端测试脚本集成

fix(测试): 修复测试密码不匹配问题
fix(测试): 修正URL等待策略
fix(测试): 调整错误消息选择器

refactor(测试): 重构测试目录结构
refactor(测试): 优化测试用例组织方式

docs: 更新测试报告文档
docs: 添加测试覆盖率报告模板

ci: 添加Docker测试环境配置
ci: 实现测试自动化脚本

chore: 更新依赖版本
chore: 添加测试相关配置文件

playwright.config.ts

@@ -0,0 +1,49 @@
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: './e2e-tests',
+  timeout: 30000,
+  expect: {
+    timeout: 5000,
+  },
+  fullyParallel: true,
+  forbidOnly: !!process.env.CI,
+  retries: process.env.CI ? 2 : 0,
+  workers: process.env.CI ? 1 : undefined,
+  reporter: [
+    ['html'],
+    ['junit', { outputFile: 'test-results/junit.xml' }],
+    ['list']
+  ],
+  use: {
+    baseURL: 'http://localhost:3003',
+    trace: 'on-first-retry',
+    screenshot: 'only-on-failure',
+    video: 'retain-on-failure',
+    headless: true,
+    viewport: { width: 1280, height: 720 },
+    ignoreHTTPSErrors: true,
+  },
+  projects: [
+    {
+      name: 'chromium',
+      use: { ...devices['Desktop Chrome'] },
+    },
+    {
+      name: 'firefox',
+      use: { ...devices['Desktop Firefox'] },
+    },
+    {
+      name: 'webkit',
+      use: { ...devices['Desktop Safari'] },
+    },
+    {
+      name: 'Mobile Chrome',
+      use: { ...devices['Pixel 5'] },
+    },
+    {
+      name: 'Mobile Safari',
+      use: { ...devices['iPhone 12'] },
+    },
+  ],
+});