feat: 添加管理端前端 (HMS 基座 React 管理面板)

- 从 HMS 基座复制 apps/web/ (React + Ant Design + Vite + TypeScript)
- 管理端自动代理 API 到 localhost:3000 (vite.config.ts)
- 更新 scripts/dev.sh 支持三端启动: backend/admin/app
- 登录验证通过, 用户管理/角色权限/审计日志等页面正常
- 添加 .gitignore 排除 node_modules/dist

apps/web/vitest.config.ts

@@ -0,0 +1,26 @@
+import { defineConfig } from 'vitest/config'
+import react from '@vitejs/plugin-react'
+import path from 'path'
+
+export default defineConfig({
+  plugins: [react()],
+  test: {
+    environment: 'jsdom',
+    globals: true,
+    setupFiles: ['./src/test/setup.ts'],
+    exclude: ['e2e/**', 'node_modules/**'],
+    testTimeout: 15000,
+    poolTimeout: 60000,
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'lcov'],
+      include: ['src/**/*.{ts,tsx}'],
+      exclude: ['src/test/**', 'src/**/*.test.*', 'src/**/*.d.ts'],
+    },
+  },
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, './src'),
+    },
+  },
+})