feat(analytics): add behavior and payment funnel tracking

src/app/splash/splash-screen.tsx

@@ -18,11 +18,6 @@ import {
 import { useSplashLatestMessage } from "./hooks/use-splash-latest-message";
 import styles from "./components/splash-screen.module.css";
 
-// 尽量早地缓存 beforeinstallprompt，避免用户停留 splash 时浏览器事件已触发并丢失。
-if (typeof window !== "undefined") {
-  pwaUtil.prepareInstallPrompt();
-}
-
 export function SplashScreen() {
   const navigator = useAppNavigator();
   const authState = useAuthState();