add company stamp upload functionality for contract signing

- Introduced StampUpload component for uploading company stamp images.
- Integrated stamp upload in contract signing modal, supporting PNG and JPG formats.
- Implemented validation for file type and size (max 5 MB).
- Added visual feedback for drag-and-drop functionality.
- Updated contract-related pages to handle duplicate contract alerts and pricing notices.
- Enhanced contract expiry management with a nightly sweep service.
- Added unit tests for new features and updated existing tests for contract handling.

apps/edr-freight-api/src/modules/wagons/wagons.service.ts

@@ -11,7 +11,6 @@ import { CreateWagonDto } from './dto/create-wagon.dto';
 import { ListWagonsQueryDto } from './dto/list-wagons-query.dto';
 import { UpdateWagonDto } from './dto/update-wagon.dto';
 import { AssignWagonToTrainDto } from './dto/assign-wagon-to-train.dto';
-import { ReorderWagonsDto } from './dto/reorder-wagons.dto';
 import { BulkTransferWagonsDto } from './dto/bulk-transfer-wagons.dto';
 import { BulkSetWagonStatusDto } from './dto/bulk-set-wagon-status.dto';
 import { Wagon } from './entities/wagon.entity';
@@ -392,20 +391,4 @@ export class WagonsService {
     }
   }
 
-  async reorderWagons(_trainId: string, dto: ReorderWagonsDto): Promise<void> {
-    const queryRunner = this.dataSource.createQueryRunner();
-    await queryRunner.connect();
-    await queryRunner.startTransaction();
-    try {
-      for (let i = 0; i < dto.wagonIds.length; i++) {
-        await queryRunner.manager.update(Wagon, dto.wagonIds[i], { sequenceNumber: i + 1 });
-      }
-      await queryRunner.commitTransaction();
-    } catch (err) {
-      await queryRunner.rollbackTransaction();
-      throw err;
-    } finally {
-      await queryRunner.release();
-    }
-  }
 }