changes

apps/edr-freight-api/src/modules/train-scheduling/dto/available-days-for-cargo-query.dto.ts

@@ -41,6 +41,28 @@ export class AvailableDaysForCargoQueryDto {
   @IsString()
   cargoTypeCode?: string;
 
+  @ApiPropertyOptional({ format: 'uuid', description: 'Bulk cargo type id (preferred over code).' })
+  @IsOptional()
+  @IsUUID()
+  cargoTypeId?: string;
+
+  @ApiPropertyOptional({
+    description:
+      'Container type ids as a JSON string array — enables the exact wagon-type compatibility gate (falls back to containerSize matching when absent).',
+  })
+  @IsOptional()
+  @Transform(({ value }) => {
+    if (value == null || value === '') return undefined;
+    if (typeof value !== 'string') return value;
+    try {
+      return JSON.parse(value);
+    } catch {
+      return undefined;
+    }
+  })
+  @IsArray()
+  containerTypeIds?: string[];
+
   @ApiPropertyOptional({ description: 'Total bulk weight in tons.' })
   @IsOptional()
   @Transform(({ value }) => (value === '' || value == null ? undefined : Number(value)))