For years, we knew how to test software. A method receives an input. It produces an output. We write a test. For a traditional service, that model works remarkably well. We test business rules. We test APIs. We test database…
A user asks: “Review this supplier invoice, verify that everything looks correct, and prepare it for payment.” From the user’s perspective, this is one request. But imagine the system decides to use several AI agents: At first glance, this looks…
A user asks an AI agent: “Pay this invoice, update the records, and let the supplier know when it’s done.” It sounds like one business operation. From the user’s perspective, it is one request. From the system’s perspective, it may…
A customer asks: “How much can I safely spend today?” An LLM can understand the question. It can explain the customer’s account. It can summarize recent transactions. It can even reason about what information might be relevant. But there is…
For years, we learned to think about distributed systems in a particular way. A request enters a service. The service calls another service. That service may call a database, a message broker, a payment provider, or another internal system. Somewhere…
