refactor(app): move route screens out of components

Exclude test and spec files from generated barrels so page imports do not load test modules at runtime.

src/app/splash/components/index.ts

@@ -8,4 +8,3 @@ export * from "./splash-content";
 export * from "./splash-loading";
 export * from "./splash-logo";
 export * from "./splash-progress";
-export * from "./splash-screen";

src/app/splash/page.tsx

@@ -1,4 +1,4 @@
-import { SplashScreen } from "@/app/splash/components/splash-screen";
+import { SplashScreen } from "@/app/splash/splash-screen";
 
 export default function SplashPage() {
   return <SplashScreen />;

src/app/splash/splash-screen.tsx

@@ -3,18 +3,20 @@
 import { useEffect } from "react";
 import { useRouter } from "next/navigation";
 
-import { MobileShell } from "@/app/_components/core/mobile-shell";
+import { MobileShell } from "@/app/_components/core";
 import { useAuthDispatch, useAuthState } from "@/stores/auth/auth-context";
 import { useUserDispatch } from "@/stores/user/user-context";
 import { AuthStorage } from "@/data/storage/auth/auth_storage";
 import { ROUTES } from "@/router/routes";
 import { pwaUtil } from "@/utils/pwa";
 
-import { SplashBackground } from "./splash-background";
-import { SplashLogo } from "./splash-logo";
-import { SplashContent } from "./splash-content";
-import { SplashButton } from "./splash-button";
-import styles from "./splash-screen.module.css";
+import {
+  SplashBackground,
+  SplashButton,
+  SplashContent,
+  SplashLogo,
+} from "./components";
+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") {