I spent a decade watching developers build incredibly complex integrations for massive ecosystems, only to watch them break because someone changed an undocumented field in a JSON response. Whether it's the Amazon API or China's Douyin ecosystem, the problem is always the same: you have powerful data, but your interface—the Merchant Center—is designed for humans clicking buttons, not for automated logic. When I saw how messy managing local commerce operations can be—handling split-second coup...