Add booking window management and locomotive scheduling features

- Implemented migration to release stuck assigned locomotives.
- Added schedule window phases to train schedules.
- Created booking batch offers table for partial capacity bookings.
- Developed BookingSplitService to handle partial booking offers and splits.
- Introduced BookingWindowService to manage booking window lifecycle and transitions.
- Added BookingBatchOffer entity to represent offers made during booking splits.
- Enhanced locomotive options with warnings for scheduling.
- Created UpcomingWindowsSection component to display upcoming booking windows.

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

@@ -1,20 +1,14 @@
 /**
  * Tunables for the demand-batching booking → allocation flow.
- * Times run in EAT so the 07:00/10:00/… boundaries match the local operating clock.
+ * Times run in EAT so window boundaries match the local operating clock.
+ *
+ * Cadence and pay-window durations moved to the train_scheduling_global_rules
+ * table (TrainSchedulingService.getWindowConfig) — the window engine
+ * (BookingWindowService) drives all timing off that config.
  */
 
-/** Batch boundaries — every 3h from 00:00 (00–03, 03–06, … 21–24), matching the board windows. */
-// export const BATCH_CRON = '0 7,10,13,16,19,22 * * *';
-// export const BATCH_CRON = '*/3 * * * *';
-export const BATCH_CRON = '*/5 * * * *';
-// export const BATCH_CRON = '0 */3 * * *';//
-
 export const BATCH_TIMEZONE = 'Africa/Addis_Ababa';
 
-/** How long a selected commercial customer has to pay before their slot expires. */
-// export const PAYMENT_WINDOW_MS = 60 * 60 * 1000; // 1 hour
-export const PAYMENT_WINDOW_MS = 5 * 60 * 1000; // 5 minutes (test mode)
-
 /** Fallback wagons-per-booking when a booking has no computed `wagonsRequired`. */
 export const DEFAULT_WAGONS_PER_BOOKING = 1;