Bugfix/incorrect single-value field validation as arrays in various endpoints (#7165)

* Fix incorrect single-value field validation as arrays

* Update changelog

CHANGELOG.md

@@ -18,6 +18,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Improved the language localization for Japanese (`ja`)
 - Upgraded `nestjs` from version `11.1.21` to `11.1.27`
 
+### Fixed
+
+- Fixed a recurring issue where single-value fields were incorrectly validated as arrays in various endpoints
+
 ## 3.18.0 - 2026-06-28
 
 ### Added

libs/common/src/lib/dtos/create-asset-profile.dto.ts

@@ -11,11 +11,11 @@ import {
 } from 'class-validator';
 
 export class CreateAssetProfileDto {
-  @IsEnum(AssetClass, { each: true })
+  @IsEnum(AssetClass)
   @IsOptional()
   assetClass?: AssetClass;
 
-  @IsEnum(AssetSubClass, { each: true })
+  @IsEnum(AssetSubClass)
   @IsOptional()
   assetSubClass?: AssetSubClass;
 

libs/common/src/lib/dtos/create-order.dto.ts

@@ -21,11 +21,11 @@ export class CreateOrderDto {
   @IsString()
   accountId?: string;
 
-  @IsEnum(AssetClass, { each: true })
+  @IsEnum(AssetClass)
   @IsOptional()
   assetClass?: AssetClass;
 
-  @IsEnum(AssetSubClass, { each: true })
+  @IsEnum(AssetSubClass)
   @IsOptional()
   assetSubClass?: AssetSubClass;
 
@@ -66,7 +66,7 @@ export class CreateOrderDto {
   @IsOptional()
   tags?: string[];
 
-  @IsEnum(Type, { each: true })
+  @IsEnum(Type)
   type: Type;
 
   @IsNumber()

libs/common/src/lib/dtos/update-asset-profile.dto.ts

@@ -18,11 +18,11 @@ import {
 } from 'class-validator';
 
 export class UpdateAssetProfileDto {
-  @IsEnum(AssetClass, { each: true })
+  @IsEnum(AssetClass)
   @IsOptional()
   assetClass?: AssetClass;
 
-  @IsEnum(AssetSubClass, { each: true })
+  @IsEnum(AssetSubClass)
   @IsOptional()
   assetSubClass?: AssetSubClass;
 

libs/common/src/lib/dtos/update-order.dto.ts

@@ -20,11 +20,11 @@ export class UpdateOrderDto {
   @IsString()
   accountId?: string;
 
-  @IsEnum(AssetClass, { each: true })
+  @IsEnum(AssetClass)
   @IsOptional()
   assetClass?: AssetClass;
 
-  @IsEnum(AssetSubClass, { each: true })
+  @IsEnum(AssetSubClass)
   @IsOptional()
   assetSubClass?: AssetSubClass;