feat(splash): load latest chat message

src/app/splash/splash-screen.tsx

@@ -5,6 +5,7 @@ import { useEffect } from "react";
 import { AppBottomNav, MobileShell } from "@/app/_components/core";
 import { ROUTES } from "@/router/routes";
 import { useAppNavigator } from "@/router/use-app-navigator";
+import { useAuthState } from "@/stores/auth/auth-context";
 import { pwaUtil } from "@/utils";
 
 import {
@@ -14,6 +15,7 @@ import {
   SplashLatestMessage,
   SplashLogo,
 } from "./components";
+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。
@@ -23,6 +25,12 @@ if (typeof window !== "undefined") {
 
 export function SplashScreen() {
   const navigator = useAppNavigator();
+  const authState = useAuthState();
+  const latestMessage = useSplashLatestMessage({
+    hasInitialized: authState.hasInitialized,
+    isAuthLoading: authState.isLoading,
+    loginStatus: authState.loginStatus,
+  });
 
   const handleStartChat = () => {
     navigator.openChat({ replace: true });
@@ -45,7 +53,11 @@ export function SplashScreen() {
         <div className={styles.content}>
           <SplashLogo />
           <div className={styles.spacer} />
-          <SplashLatestMessage onOpenChat={handleStartChat} />
+          <SplashLatestMessage
+            message={latestMessage.message}
+            isLoading={latestMessage.isLoading}
+            onOpenChat={handleStartChat}
+          />
           <SplashContent />
           <div className={styles.buttonArea}>
             <SplashButton onStartChat={handleStartChat} />