{"error":"API 전용 서비스입니다","message":"이 서비스는 API 엔드포인트만 제공합니다","availableEndpoints":["/api/v1/status/health","/api/v1/status/dashboard","/api/v1/admin/group-status","/api/v1/admin/create-next-group","/api/v1/batch/process-keywords","/api/v1/workflow/keyword-extraction"],"documentation":"API 문서를 참조하세요"}