Consider to integrate the LLM evaluation metrics to Autoscaling object

### 🚀 Feature Description and Motivation

We already define a few autoscaling evaluation metrics like provision efficiency, SLO violations, resource usage etc.

If would be great for controller to evaluate it's autoscaling performance.

### Use Case

Help user understand how autoscaling are performed.

### Proposed Solution

Enable the evaluation or monitoring check and collect feedbacks in HPA object