TL;DR
Allow us to send the quality signals to set filters like you're able to do it manually.What?
Allowing us to send a signal for the quality with the ability to add operators to the same signal so we can apply the same logic to inserters and filters as we can manuallyhere's an example of what I mean: A different way this could function is sending just the quality signals you want if it's not too difficult to code and the operators would be applied automatically
Why?
Since not only inserters have set filters but now also splitters it would be very useful to set it with combinators and not just manually.And on top of that all the quality signals and operator signals are already in game so it would be a nice addition to the use of those since it's one of the things I first tried to do with just the quality signal but it didn't work.