Implement client-side validation for container and bul

apps/edr-freight-api/src/modules/train-schedules/train-schedules.repository.ts

@@ -22,7 +22,9 @@ export class TrainSchedulesRepository extends BaseRepository<TrainSchedule> {
     return this.repo(manager).findOne({
       where: { id },
       relations: {
-        route: true,
+        // Yards carry the route's display name; without them formatRouteLabel
+        // degrades to the literal "Origin → Destination".
+        route: { originYard: true, destinationYard: true },
         trainSet: {
           locomotive: true,
           locomotives: { locomotive: true },