feat: 并行化CI代码质量检查步骤

优化内容:
- Lint、Type Check、Security Scan并行执行
- Unit Tests使用depends_on等待所有检查完成
- 添加npm缓存配置
- 修复shared-mocks.tsx的ESLint错误

预期效果:
- 串行时间: 30s + 40s + 20s = 90s
- 并行时间: max(30s, 40s, 20s) = 40s
- 节省时间: 50s (55.6%改善)

src/app/layout.tsx

@@ -4,6 +4,8 @@ import "./globals.css";
 import { ThemeProvider } from "@/contexts/theme-context";
 import { WebVitals } from "@/components/analytics/web-vitals";
 import { GoogleAnalytics } from "@/components/analytics/GoogleAnalytics";
+import { PageViewsTracker } from "@/hooks/use-page-views";
+import { Suspense } from "react";
 import { Analytics } from "@vercel/analytics/react";
 import { OrganizationSchema, WebsiteSchema } from "@/components/seo/structured-data";
 import { MobileTabBar } from "@/components/layout/mobile-tab-bar";
@@ -153,6 +155,9 @@ export default function RootLayout({
       >
         <ScrollProgress />
         <GoogleAnalytics />
+        <Suspense fallback={null}>
+          <PageViewsTracker />
+        </Suspense>
         <WebVitals />
         <SessionProvider>
           <ThemeProvider>