Orders, stock & dispatch that can't be fiddled
The core of the platform. Orders get a reference number, lock in the price at the time of sale, move from pending to confirmed to dispatched to delivered, and produce client-ready PDFs. The client never sees internal pricing.
dispatch 120 × WWL-500-ORD-BX → REJECTED: short by 24
The server enforces this rule itself, so it holds even if someone bypasses the screen.