/**
 * 시스템 헬스체크 응답 DTO
 */
export interface SystemHealthResponse {
  status: 'ok' | 'error';
  timestamp: string;
  environment: string;
  database: {
    host: string;
    port: number;
    database: string;
    user: string;
    status: 'connected' | 'disconnected';
    error?: string;
  };
}
