Create a business accountRules
The form never fakes a buyer stamp
Register writes User.businessBuyerAt. It does not invent a paid campaign.
Kumir never invents a successful businessBuyerAt. POST /api/v1/business/register sets User.businessBuyerAt after a valid 13+ company signup. No Payment row is created until checkout.
Landing on /business/browse/athletes is not a fake booking.