If you run a coffee shop, a café, or a third-wave specialty roaster, your mobile-ordering app is now your highest-revenue customer interaction. It is also, according to a federal appeals court that the Supreme Court declined to revisit, a place of public accommodation under the Americans with Disabilities Act. That makes it a legal liability the same way an inaccessible front door is — except your app is open 24 hours a day, used by hundreds of customers a week, and almost certainly has problems nobody on your team has noticed. This article walks through, in plain English, why that liability exists, what plaintiffs' attorneys are actually filing against cafés right now, and the seven specific failures you can check yourself in an hour with nothing but the phone in your pocket. The Robles v.…