kRO had released anew refinery interface for item refinement last year in their 2016-10-* clients.
Source: Youtube Link
A preview of my implementation:
I already have it working on my local Hercules branch. A big thanks to @Asheraf for providing information from kRO. This will be available for Hercules as and when it support the newer clients.
Just thought I'd share the info here
Hope for its release soon!