I know the total gear price thing isn't implemented yet, but if a character has a mount, animal companion or eidolon it doesn't show up at all. It isn't that big of a deal, but I feel that if it gets fixed before it is fully implemented that will be less work you have to do later.
I'm afraid I can't duplicate this. When I add a minion to a character, and add a chain shirt to that minion, then mouse over the gear value at the top of the master's character, I see "Chain Shirt (Animal Companion, 400 gp)" among the master's list of posessions.