Who sits the exam? Dolphin, plain prompt DeepSeek V4.1 Flash on the Dolphin network with a short purchasing-agent prompt. SERV, bound procedure A small model through SERV Reasoning with Multipath and a Shadow Agent, following an ordered checklist. Small model, careless prompt The same small model called plainly and told to pay quickly and trust what the invoice says. No checklist, no Multipath, no Shadow Agent. Small model, rubber stamp prompt The same small model told that every invoice is already checked and should be approved. A stand-in for an agent nobody set up properly. Dolphin, careless prompt The same Dolphin model told to pay quickly and trust what the invoice says. A stand-in for an agent nobody checked. Scripted checker, five rules Plain code, no model. Checks vendor, domain, wallet, ledger and cap. It has never heard of quotes or split invoices. Scripted payer, no checks Plain code that pays whatever it is asked. The floor every other applicant should clear. Your own agent Any OpenAI-compatible chat endpoint you can reach over https.