feat(web): add Baidu analytics to PAC and FridayAI

apps/ai-web/src/app/layout.tsx

+import { BaiduAnalytics } from '@/components/baidu-analytics';
 import type { Metadata, Viewport } from 'next';
 import type { ReactNode } from 'react';
 import './globals.css';
@@ -23,6 +24,7 @@ export default function RootLayout({ children }: { children: ReactNode }) {
         <AuthSessionBoundary>{children}</AuthSessionBoundary>
         {/* ⚠️ 挂在根布局 —— 提示条要能从任何一页弹出来，⛔ 不能每页各挂一个（会叠出多份） */}
         <Toaster />
+        <BaiduAnalytics />
       </body>
     </html>
   );

apps/ai-web/src/components/baidu-analytics.tsx

+"use client";
+
+import { useEffect } from 'react';
+import { usePathname } from 'next/navigation';
+
+const SITE_ID = '731849b080736f1c473e1118c4d729ad';
+const PRODUCTION_HOST = 'fai.friday.tech';
+type AnalyticsWindow = Window & {
+  _hmt?: unknown[][];
+  __pacBaiduLastPage?: string;
+};
+
+/** 仅统计生产页面访问；查询参数和动态业务记录编号不进入手动 PV。 */
+export function BaiduAnalytics() {
+  const pathname = usePathname();
+  useEffect(() => {
+    if (!pathname || window.location.hostname !== PRODUCTION_HOST) return;
+    const analytics = window as AnalyticsWindow;
+    const queue = (analytics._hmt ??= []);
+    // SPA 自行上报首屏与路由切换，避免自动首屏统计重复。
+    if (!document.getElementById('baidu-analytics')) {
+      queue.push(['_setAutoPageview', false]);
+      const script = document.createElement('script');
+      script.id = 'baidu-analytics';
+      script.async = true;
+      script.src = `https://hm.baidu.com/hm.js?${SITE_ID}`;
+      script.referrerPolicy = 'no-referrer';
+      document.head.appendChild(script);
+    }
+    const page = pathname
+      .replace(/^(\/plans)\/[^/]+$/, '$1/:id')
+      .replace(/^(\/admin\/ai-invocations)\/[^/]+$/, '$1/:id')
+      .replace(/^(\/host\/appointments)\/[^/]+$/, '$1/:id');
+    if (analytics.__pacBaiduLastPage === page) return;
+    analytics.__pacBaiduLastPage = page;
+    queue.push(['_trackPageview', page]);
+  }, [pathname]);
+  return null;
+}

apps/pac-web/src/app/layout.tsx

+import { BaiduAnalytics } from '@/components/baidu-analytics';
 import type { Metadata } from 'next';
 import { Toaster } from '@/components/ui/toaster';
 import './globals.css';
@@ -13,6 +14,7 @@ export default function RootLayout({ children }: { children: React.ReactNode })
       <body className="min-h-screen bg-background text-foreground antialiased">
         {children}
         <Toaster />
+        <BaiduAnalytics />
       </body>
     </html>
   );

apps/pac-web/src/components/baidu-analytics.tsx

+"use client";
+
+import { useEffect } from 'react';
+import { usePathname } from 'next/navigation';
+
+const SITE_ID = '731849b080736f1c473e1118c4d729ad';
+const PRODUCTION_HOST = 'pac.friday.tech';
+type AnalyticsWindow = Window & {
+  _hmt?: unknown[][];
+  __pacBaiduLastPage?: string;
+};
+
+/** 仅统计生产页面访问；查询参数和动态业务记录编号不进入手动 PV。 */
+export function BaiduAnalytics() {
+  const pathname = usePathname();
+  useEffect(() => {
+    if (!pathname || window.location.hostname !== PRODUCTION_HOST) return;
+    const analytics = window as AnalyticsWindow;
+    const queue = (analytics._hmt ??= []);
+    // SPA 自行上报首屏与路由切换，避免自动首屏统计重复。
+    if (!document.getElementById('baidu-analytics')) {
+      queue.push(['_setAutoPageview', false]);
+      const script = document.createElement('script');
+      script.id = 'baidu-analytics';
+      script.async = true;
+      script.src = `https://hm.baidu.com/hm.js?${SITE_ID}`;
+      script.referrerPolicy = 'no-referrer';
+      document.head.appendChild(script);
+    }
+    const page = pathname
+      .replace(/^(\/plans)\/[^/]+$/, '$1/:id')
+      .replace(/^(\/admin\/ai-invocations)\/[^/]+$/, '$1/:id')
+      .replace(/^(\/host\/appointments)\/[^/]+$/, '$1/:id');
+    if (analytics.__pacBaiduLastPage === page) return;
+    analytics.__pacBaiduLastPage = page;
+    queue.push(['_trackPageview', page]);
+  }, [pathname]);
+  return null;
+}