如何评估AI Agent的性能？有哪些关键指标

@Component
publicclassAgentMetricsCollector{

    @Autowired
    privateMetricsQueue metricsQueue;

    @Autowired
    privateRedisTemplate<String,Object> redisTemplate;

    publicvoidrecordTaskStart(String agentId,String taskId,String userId){
        MetricsEvent event =newMetricsEvent()
        .setAgentId(agentId)
        .setTaskId(taskId)
        .setUserId(userId)
        .setEventType("TASK_START")
        .setTimestamp(System.currentTimeMillis());

        // 异步发送到消息队列，避免影响主流程性能
        metricsQueue.offer(event);

        // 在Redis中记录任务开始时间，用于计算响应时间
        String key ="task_start:"+ taskId;
        redisTemplate.opsForValue().set(key,System.currentTimeMillis(),
                                        Duration.ofHours(24));
    }

    publicvoidrecordTaskCompletion(String taskId,boolean success,
                                   String errorCode,String result){
        Long startTime =(Long) redisTemplate.opsForValue()
                         .get("task_start:"+ taskId);

        MetricsEvent event =newMetricsEvent()
        .setTaskId(taskId)
        .setEventType("TASK_COMPLETE")
        .setSuccess(success)
        .setErrorCode(errorCode)
        .setResult(result)
        .setDuration(startTime !=null?
                     System.currentTimeMillis()- startTime :null);

        metricsQueue.offer(event);

        // 清理Redis中的临时数据
        redisTemplate.delete("task_start:"+ taskId);
    }

    publicvoidrecordUserFeedback(String taskId,int satisfactionScore,
                                 String feedback){
        MetricsEvent event =newMetricsEvent()
        .setTaskId(taskId)
        .setEventType("USER_FEEDBACK")
        .setSatisfactionScore(satisfactionScore)
        .setFeedback(feedback);

        metricsQueue.offer(event);
    }
}

@Service
publicclassAgentABTestRouter{

    @Autowired
    privateExperimentConfigService experimentConfigService;

    publicAgentVersionrouteUser(String userId,String experimentId){
        ExperimentConfig config = experimentConfigService
        .getExperimentConfig(experimentId);

        if(!config.isActive()){
            returnAgentVersion.CONTROL;
        }

        // 基于用户ID的稳定哈希，确保同一用户始终分配到同一组
        int hash =Math.abs((userId + experimentId).hashCode())%100;

        // 支持多组实验，不只是简单的A/B
        for(ExperimentGroup group : config.getGroups()){
            if(hash < group.getTrafficThreshold()){
                logExperimentAssignment(userId, experimentId, group.getVersion());
                return group.getVersion();
            }
        }

        returnAgentVersion.CONTROL;
    }

    privatevoidlogExperimentAssignment(String userId,String experimentId,
                                       AgentVersion version){
        ExperimentAssignment assignment =newExperimentAssignment()
        .setUserId(userId)
        .setExperimentId(experimentId)
        .setVersion(version)
        .setTimestamp(System.currentTimeMillis());

        // 记录实验分组信息，用于后续效果分析
        experimentLogService.logAssignment(assignment);
    }
}