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/locomotives/dto/create-locomotive.dto.ts

@@ -65,25 +65,4 @@ export class CreateLocomotiveDto {
   @IsNumber()
   @Min(0)
   overageToleranceMeters?: number;
-
-  @ApiPropertyOptional({ example: 4200 })
-  @IsOptional()
-  @Transform(({ value }) => (value === '' || value == null ? undefined : Number(value)))
-  @IsNumber()
-  @Min(0)
-  powerKw?: number;
-
-  @ApiPropertyOptional({ example: 300 })
-  @IsOptional()
-  @Transform(({ value }) => (value === '' || value == null ? undefined : Number(value)))
-  @IsNumber()
-  @Min(0)
-  tractionForceKn?: number;
-
-  @ApiPropertyOptional({ example: 120 })
-  @IsOptional()
-  @Transform(({ value }) => (value === '' || value == null ? undefined : Number(value)))
-  @IsNumber()
-  @Min(0)
-  maxSpeedKmh?: number;
 }

apps/edr-freight-api/src/modules/locomotives/entities/locomotive.entity.ts

@@ -76,15 +76,6 @@ export class Locomotive extends BaseEntity {
   @JoinColumn({ name: 'current_yard_id' })
   currentYard?: Yard | null;
 
-  @Column({ name: 'power_kw', type: 'numeric', precision: 10, scale: 3, nullable: true })
-  powerKw?: number | null;
-
-  @Column({ name: 'traction_force_kn', type: 'numeric', precision: 10, scale: 3, nullable: true })
-  tractionForceKn?: number | null;
-
-  @Column({ name: 'max_speed_kmh', type: 'numeric', precision: 10, scale: 3, nullable: true })
-  maxSpeedKmh?: number | null;
-
   @OneToMany(() => TrainSet, (trainSet) => trainSet.locomotive)
   trainSets?: TrainSet[];
 }

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

@@ -113,9 +113,6 @@ export class LocomotivesService {
       maxTrainLengthMeters: dto.maxTrainLengthMeters,
       overageToleranceTons: dto.overageToleranceTons ?? null,
       overageToleranceMeters: dto.overageToleranceMeters ?? null,
-      powerKw: dto.powerKw ?? null,
-      tractionForceKn: dto.tractionForceKn ?? null,
-      maxSpeedKmh: dto.maxSpeedKmh ?? null,
     });
   }
 
@@ -176,11 +173,6 @@ export class LocomotivesService {
           ? locomotive.currentYardId
           : (dto.currentYardId ?? null),
       name: dto.name === undefined ? locomotive.name : dto.name?.trim() || null,
-      powerKw: dto.powerKw === undefined ? locomotive.powerKw : dto.powerKw ?? null,
-      tractionForceKn:
-        dto.tractionForceKn === undefined ? locomotive.tractionForceKn : dto.tractionForceKn ?? null,
-      maxSpeedKmh:
-        dto.maxSpeedKmh === undefined ? locomotive.maxSpeedKmh : dto.maxSpeedKmh ?? null,
     });
 
     if (!updated) {