feat(backend): Fütterungen-Modul (Modul 9)

FeedingsModule mit Erfassung, Colony-Historie und
Mengensummen-Endpunkt je Einheit.

ApiCore-Backend/src/feedings/dto/create-feeding.dto.ts

@@ -0,0 +1,46 @@
+import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
+import {
+  IsDateString,
+  IsEnum,
+  IsNumber,
+  IsOptional,
+  IsString,
+} from 'class-validator';
+import { FeedType } from '../../../generated/prisma';
+
+export class CreateFeedingDto {
+  @ApiProperty()
+  @IsString()
+  colonyId!: string;
+
+  @ApiProperty()
+  @IsDateString()
+  date!: string;
+
+  @ApiProperty({ enum: FeedType })
+  @IsEnum(FeedType)
+  feedType!: FeedType;
+
+  @ApiPropertyOptional()
+  @IsOptional()
+  @IsString()
+  product?: string;
+
+  @ApiProperty()
+  @IsNumber()
+  amount!: number;
+
+  @ApiProperty()
+  @IsString()
+  unit!: string;
+
+  @ApiPropertyOptional()
+  @IsOptional()
+  @IsString()
+  batchNumber?: string;
+
+  @ApiPropertyOptional()
+  @IsOptional()
+  @IsString()
+  notes?: string;
+}