Most engineering teams are trained to think about failures the wrong way. We look for crashes. We look for exceptions. We look for alerts. We look for red dashboards. But some of the most damaging failures don't look like failures at all. They ...

You build an agent. It calls an MCP tool, gets a response, logs success: true, and moves on. Thirty-three minutes later a customer emails asking why their ticket was never created. You pull the logs. Every entry says the call succeeded. You check th...