Hi, first thanks for this extremely useful mod! I'm enjoying it, because it makes building mines so good, especially with the lane numbers that are extremely helpful in merging them together in a good way.

I have a question, because I still don't understand all of the numbers of the overlay. So far I know that the numbers next to the belts are the throughput ratio in terms of full lanes per side.

But the other numbers that get displayed are more difficult. There is one labeled "Belts:", then "throughput" and then there are the "Lane sums", which is a range strangely enough. It would be cool if you could add a section to the description explaining all the numbers!

"Lane sums" are those lane counts clamped to 1.0x and summed per side.
"Belts" is just the higher number of the lane sums pair. Round up to know how many belts are needed to get the most output.
"Throughput" is output multiplier. It can be lower that needed belt count if a layout is very unbalanced. (like Super Compact)

I should probably just change the shown values to items/s or something. I guess the multipliers of selected belt speed are kind of vague.