You signed a $4 million supply agreement to deliver custom industrial equipment to a Long Island City manufacturer over the next 18 months. Six months in — before you've shipped a single unit — the buyer's CFO emails you saying the company is “reconsidering” the deal and won't be wiring the next progress payment. Performance isn't technically due yet, but the threat is real, and your shop is already running on raw materials you ordered to fill the order. Do you ke