Refactor template policy module form cue to go code

[yusank]

Is your feature request related to a problem? Please describe.
There are some performance issues when execute huge cue code and it seems didn't solve any problem when we use render template to cue code.

Describe the solution you'd like
We should handle template logic during runtime, since all template logic are predictable and there are less performance issues when we use go. We can define a interface like this:

type TemplateExecuter interface {
    Execute(ctx context.Context, obj any, t Template) error
}

and we implement it based on template type, instead of render and excute cue.

Describe alternatives you've considered

Additional context