add cron jobs and aslo

apps/edr-freight-api/src/modules/train-scheduling/booking-batch.constants.ts

@@ -13,3 +13,10 @@ export const PAYMENT_WINDOW_MS = 60 * 60 * 1000; // 1 hour
 
 /** Fallback wagons-per-booking when a booking has no computed `wagonsRequired`. */
 export const DEFAULT_WAGONS_PER_BOOKING = 1;
+
+/**
+ * Fallback per-wagon length (m) for the batch length budget when global rules don't yet
+ * define maxTrainLength / maxWagons to derive it from. Used only to estimate train length
+ * against the locomotive's max train length.
+ */
+export const DEFAULT_WAGON_LENGTH_METERS = 14;