Great to see such progress on this army!
I'm afraid I know nothing about Polish armies, so, out of interest, how did haiduks protect themselves against cavalry? I see that neither Foundry nor TAG make any armed with pikes, so presumably haiduks didn't use the pike.
Hope no one minds if I jump in here...
As I understand it, there are a few answers to your question. First off, as described in one of his
previous blog posts, every 10th haiduk was armed with a polearm, and while this was primarily for NCO-type command duties, they could also ward off cavalry to some degree.
Another factor is that Polish-Lithuanian armies of this period could generally assume to have cavalry superiority over their foes. Even their "german-style" musketeers usually operated without pike support, trusting in friendly cavalry support against any opposing horse.
Finally, Polish musketry of either style often made use of existing terrain. Most battle summaries put any Polish musketeers in villages, or woods, or even firing out of the fortified camp; there is very little of the TYW/ECW style infantry set piece battle line type deployment, and therefore much less vulnerability to cavalry charges.