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/lib/services/site-settings.ts

@@ -1,10 +1,11 @@
 import "server-only";
 
+import { FALLBACK_HOTEL_NAME } from "@/lib/brand";
 import { prisma } from "@/lib/prisma";
 import { redis } from "@/lib/redis";
 
 const DEFAULTS: Record<string, string> = {
-	hotel_name: "Atom",
+	hotel_name: FALLBACK_HOTEL_NAME,
 	habbo_imaging_url: "/imaging",
 	logo_url: "",
 	nitro_client_url: "",