fix(freight-backoffice): render wagon transfer reason as sanitized HTML in a modal

apps/edr-freight-api/src/modules/trains/train-builder.service.ts

@@ -510,6 +510,8 @@ export class TrainBuilderService {
         trainId: null,
         sequenceNumber: null,
         status: WagonStatus.Available,
+        importTrainNumber: null,
+        exportTrainNumber: null,
       });
       await this.resequenceWagons(manager, train.id);
       await this.syncLiveScheduleAfterConsistChange(
@@ -544,6 +546,8 @@ export class TrainBuilderService {
         trainId: null,
         sequenceNumber: null,
         status: WagonStatus.Maintenance,
+        importTrainNumber: null,
+        exportTrainNumber: null,
       });
       // Audit row: which train it came off and when. The wagon does not change
       // yard here, so from/to are the same — the ledger is the wagon's history
@@ -761,7 +765,13 @@ export class TrainBuilderService {
         .getRepository(Wagon)
         .update(
           { trainId: train.id },
-          { trainId: null, sequenceNumber: null, status: WagonStatus.Available },
+          {
+            trainId: null,
+            sequenceNumber: null,
+            status: WagonStatus.Available,
+            importTrainNumber: null,
+            exportTrainNumber: null,
+          },
         );
       await manager.getRepository(TrainLocomotive).delete({ trainId: train.id });
       await manager.getRepository(Train).remove(train);
@@ -1021,6 +1031,10 @@ export class TrainBuilderService {
         trainId: train.id,
         sequenceNumber: sequence,
         status: WagonStatus.Assigned,
+        // Wagon inherits the train's run numbers on coupling — no per-wagon
+        // number entry, they ride whatever numbers the train was built with.
+        importTrainNumber: train.importTrainNumber,
+        exportTrainNumber: train.exportTrainNumber,
       });
     }
     return toAttach;