fix issue

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

@@ -101,6 +101,7 @@ import {
   CorridorLeg,
   OverageTolerance,
   stopYardsFor,
+  subtractCutWagons,
 } from './corridor-capacity.util';
 import { WagonStockLedger } from './wagon-stock-ledger.util';
 
@@ -5358,6 +5359,10 @@ export class BookingBatchService implements OnModuleInit {
     // wagon serves disjoint legs — capacity freed past an alight yard is real.
     const stops = await this.stopsForSchedule(schedule);
     const budget = new CorridorBudget(stops, limits.base, limits.tolerance);
+    // Wagons staff plan to cut mid-route are gone from every edge past the cut.
+    // ponytail: the wagon-type stock ledger stays cut-blind; bucket
+    // builtTrainStock by (yard, reach) if mixed-type cut trains appear.
+    subtractCutWagons(budget, schedule.plannedWagonCutYards);
     for (const b of await this.committedBookings(schedule, excludeBookingIds)) {
       budget.subtract(
         this.needFor(b, wagonDims),