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/app/client/page.tsx

@@ -4,6 +4,7 @@ import { auth } from "@/lib/auth";
 import { issueSsoTicket } from "@/lib/auth/sso-ticket";
 import { cached } from "@/lib/cache";
 import { prisma } from "@/lib/prisma";
+import { resolveHotelName } from "@/lib/hotel-name";
 import { siteSettings } from "@/lib/services/site-settings";
 import { ClientView } from "./client-view";
 
@@ -16,12 +17,12 @@ export default async function ClientPage() {
 	const userId = Number(session.user.id);
 
 	const [hotelName, clientUrl] = await Promise.all([
-		siteSettings.get("hotel_name", "Atom"),
+		resolveHotelName(),
 		siteSettings.get("nitro_client_url", ""),
 	]);
 
 	const ip = (await headers()).get("x-real-client-ip") ?? "0.0.0.0";
-	const ticket = await issueSsoTicket(prisma, userId, hotelName ?? "Atom", ip);
+	const ticket = await issueSsoTicket(prisma, userId, hotelName, ip);
 
 	const onlineCount = await cached("online_count", 10_000, () =>
 		prisma.user.count({ where: { online: "1" } }),
@@ -31,7 +32,7 @@ export default async function ClientPage() {
 		<ClientView
 			ticket={ticket}
 			clientUrl={clientUrl || "/nitro-client/"}
-			hotelName={hotelName ?? "Atom"}
+			hotelName={hotelName}
 			initialOnline={onlineCount}
 		/>
 	);