feat(housekeeping): cut over administration to ase

.env.example

@@ -17,9 +17,6 @@ NODE_ENV=production
 PORT=3002
 NEXT_TELEMETRY_DISABLED=1
 UV_THREADPOOL_SIZE=16
-# Non-production preview only; production always returns 404.
-HOUSEKEEPING_NEXT_PREVIEW_ENABLED=false
-
 # --- HOTEL & URLS ---
 HOTEL_NAME=EPIC WEB CONTROL
 APP_URL=http://localhost:3002