google统计添加

src/app/layout.tsx

@@ -38,6 +38,8 @@ import "@/styles/pages/playback.css";
 import "@/styles/overrides/pwa-safe-area.css";
 import type { ReactNode } from "react";
 import { PwaProvider } from "@/components/pwa/PwaProvider";
+import { GoogleAnalytics } from "@/components/analytics/GoogleAnalytics";
+import { serverConfig } from "@/server/config";
 import { pwaViewport } from "@/lib/pwa/config";
 import { getRequestPage } from "@/server/react/request-page";
 import { toNextMetadata } from "@/server/seo";
@@ -81,7 +83,7 @@ export default async function RootLayout({
           />
         )}
       </head>
-      <body className={presentation.bodyClass}><PwaProvider />{children}</body>
+      <body className={presentation.bodyClass}><PwaProvider />{children}<GoogleAnalytics id={serverConfig().googleAnalyticsID} /></body>
     </html>
   );
 }

src/components/analytics/GoogleAnalytics.tsx

@@ -0,0 +1,17 @@
+import Script from "next/script";
+
+/** Google tag (gtag.js); loads after hydration so it never blocks rendering. */
+export function GoogleAnalytics({ id }: { id: string }) {
+  if (!id) return null;
+  return (
+    <>
+      <Script
+        src={`https://www.googletagmanager.com/gtag/js?id=${id}`}
+        strategy="afterInteractive"
+      />
+      <Script id="google-analytics" strategy="afterInteractive">
+        {`window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments);}gtag('js',new Date());gtag('config',${JSON.stringify(id)});`}
+      </Script>
+    </>
+  );
+}

src/server/config.ts

@@ -25,6 +25,8 @@ export function serverConfig() {
     timeout: Math.max(100, Number(process.env.UPSTREAM_TIMEOUT_MS) || 20000),
     m3u8KeyFile: process.env.M3U8_KEY_FILE || './config/secrets/m3u8.key',
     navigationOnly: process.env.NAVIGATION_ONLY === 'true',
+    /** Google Analytics 4 measurement ID; empty or invalid disables the Google tag. */
+    googleAnalyticsID: /^G-[A-Z0-9]{4,20}$/.test((process.env.GOOGLE_ANALYTICS_ID || '').trim()) ? (process.env.GOOGLE_ANALYTICS_ID || '').trim() : '',
     /** Every Telegram contact entry points here, overriding the upstream tgGroup/telegram/telegramAdd. */
     contactTelegramURL: installationURL(process.env.CONTACT_TELEGRAM_URL) || 'https://t.me/jbd125',
     installation: {