I need your advice to make an automatic QA system for PDK using SKILL

Hi,

I am targeting to build an automatic QA system for particular PDK,
would you kindly give me sample duties that this system should
perform?

Is it better to test and simulate every component using a SKILL code
or OCEAN code??

In other words, when to use SKILL and when to use OCEAN?

Thanks and best regards,
Ahmad
.