- there's a primitive obsession with ints. see commit = 60125ff
- can data clump the {{standard, automated} factory, {raw, finished} material}. see commit = 79351cf
- in Monthly operations -> bid for supplies, we need to make sure that the bank does not accumulate the units from one turn to the next one.
- no notion of junior to senior player. this, at least, affects while deciding priorities in case there is a tie. also when selling stock
- shell only in produce stock
- order of bids when selling stock