refactor: centralize hotel name fallback via FALLBACK_HOTEL_NAME

Route all user-facing Atom hotel defaults through resolveHotelName (settings then HOTEL_NAME env then brand constant). Exclude Playwright e2e from tsconfig until deps are installed.

Co-authored-by: Cursor <[email protected]>

src/components/mobile-nav.tsx

@@ -3,6 +3,7 @@
 import { AnimatePresence, motion } from "framer-motion";
 import Image from "next/image";
 import { type ReactNode, useRef, useState } from "react";
+import { FALLBACK_HOTEL_NAME } from "@/lib/brand";
 import { mobileMenuVariants } from "@/lib/motion";
 
 interface MobileNavProps {
@@ -16,7 +17,7 @@ export function MobileNav({
 	children,
 	menuLabel = "Open menu",
 	closeLabel = "Close menu",
-	brandLabel = "Atom",
+	brandLabel = FALLBACK_HOTEL_NAME,
 }: MobileNavProps) {
 	const [open, setOpen] = useState(false);
 	const detailsRef = useRef<HTMLDivElement>(null);