Stuck at work, but the research continues! Gonna drop the resources I’m finding here. Both so I can find them when I’m off, and for anyone else who stumbles on this post searching for truth.
Wired up some encoders but got stumped when I saw the pin values in webconf. Then I stumbled on more wonderful work by @wyleu. Believe this is the answer to what pin numberings to use when setting up encoders and buttons in webconf: