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/site-header.tsx

@@ -3,12 +3,13 @@ import Link from "next/link";
 import { getTranslations } from "next-intl/server";
 import { cached } from "@/lib/cache";
 import { prisma } from "@/lib/prisma";
+import { resolveHotelName } from "@/lib/hotel-name";
 import { siteSettings } from "@/lib/services/site-settings";
 
 export async function SiteHeader() {
 	const t = await getTranslations("header");
 	const [hotelName, header, logo] = await Promise.all([
-		siteSettings.get("hotel_name", "Atom"),
+		resolveHotelName(),
 		siteSettings.get("cms_header", "/assets/images/background.png"),
 		siteSettings.get("cms_logo", ""),
 	]);
@@ -77,7 +78,7 @@ export async function SiteHeader() {
 						<Image
 							className="drop-shadow-2xl block"
 							src={logo}
-							alt={hotelName ?? "Hotel"}
+							alt={hotelName}
 							width={200}
 							height={120}
 							style={{ maxHeight: 120, width: "auto", height: "auto" }}
@@ -130,7 +131,7 @@ export async function SiteHeader() {
 						className="text-sm font-bold tracking-wide"
 						style={{ color: "rgba(255,255,255,0.9)" }}
 					>
-						{t("online", { count: online, hotel: hotelName ?? "Atom" })}
+						{t("online", { count: online, hotel: hotelName })}
 					</span>
 				</div>
 			</div>