refactor: remove "use client" directive from multiple files and update project structure to align with Vite and React Router

web/src/layouts/user-layout.tsx

@@ -0,0 +1,12 @@
+import type { ReactNode } from "react";
+
+import { AppTopNav } from "@/components/layout/app-top-nav";
+
+export default function UserLayout({ children }: { children: ReactNode }) {
+    return (
+        <div className="flex h-dvh flex-col overflow-hidden bg-background text-foreground">
+            <AppTopNav />
+            <div className="min-h-0 flex-1 overflow-hidden">{children}</div>
+        </div>
+    );
+}