/**
 * MPT 통계 응답 DTO
 */
export interface MptStatisticsDto {
  totalMptCows: number;
  latestTestDate: Date | null;
  categories: {
    energy: { safe: number; caution: number };
    protein: { safe: number; caution: number };
    liver: { safe: number; caution: number };
    mineral: { safe: number; caution: number };
  };
  riskyCows: Array<{
    cowId: string;
    category: string;
    itemName: string;
    value: number;
    status: 'high' | 'low';
  }>;
}