feat: secure penalty catalog management

myteamwallet_backend/src/penalty/dto/update-penalty.dto.ts

@@ -0,0 +1,19 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { Transform } from 'class-transformer';
+import { IsNumber, IsString, Length, Max, Min } from 'class-validator';
+
+export class UpdatePenaltyDTO {
+  @ApiProperty({ example: 'Zu spät kommen' })
+  @Transform(({ value }) =>
+    typeof value === 'string' ? value.trim() : value,
+  )
+  @IsString()
+  @Length(1, 120)
+  description: string;
+
+  @ApiProperty({ example: 5 })
+  @IsNumber({ maxDecimalPlaces: 2 })
+  @Min(0.01)
+  @Max(10000)
+  amount: number;
+}