A customer tries to connect their bank account to an app. The AI assistant tells them to wait a few minutes. They wait, nothing happens, and every system behind that assistant is reporting success. Bugs like this usually run through a few hundred customers before anyone notices. Nothing errored. That’s the whole problem. Everything we built to watch software answers one question, which is whether the thing is up. An agent can be up all day and still be wrong, because it fails in the middle of…