refactor(logging): centralize console output

src/app/splash/splash-screen.tsx

@@ -7,7 +7,7 @@ import { MobileShell } from "@/app/_components/core";
 import { useAuthDispatch, useAuthState } from "@/stores/auth/auth-context";
 import { AuthStorage } from "@/data/storage/auth/auth_storage";
 import { ROUTES } from "@/router/routes";
-import { pwaUtil } from "@/utils";
+import { pwaUtil, Logger } from "@/utils";
 
 import {
   SplashBackground,
@@ -17,6 +17,8 @@ import {
 } from "./components";
 import styles from "./components/splash-screen.module.css";
 
+const log = new Logger("AppSplashSplashScreen");
+
 // 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();
@@ -67,7 +69,7 @@ export function SplashScreen() {
   // ─────────────────────────────────────────────────────────────
   useEffect(() => {
     // 调试日志（保留，不删 —— 用于排查"re-mount 误跳 /chat"问题）
-    console.log("[splash] useEffect ② (loginStatus + pendingRedirect)", {
+    log.debug("[splash] useEffect ② (loginStatus + pendingRedirect)", {
       pending: state.pendingRedirect,
       loginStatus: state.loginStatus,
       willRedirect:
@@ -75,7 +77,7 @@ export function SplashScreen() {
     });
 
     if (state.pendingRedirect && state.loginStatus !== "notLoggedIn") {
-      console.log(
+      log.debug(
         "[splash] useEffect ② → router.replace(/chat) [via pendingRedirect flag]",
       );
       authDispatch({ type: "AuthClearPendingRedirect" });