The most useful idea I picked up from all those conversations was not a technique. It was a way of thinking about what a memory even is. Someone put it like this: a memory should hold proof, not a moral. I have been chewing on it ever since, because the more I sit with it the more it explains why agent memory goes wrong in the specific way it does.
Two things get tangled together every time an agent records a failure. There is the event, which is a fact about the past. On Tuesday, the agent tried approach X and it produced error Y. That happened or it did not. It is fixed, it is checkable, you could in principle go back and confirm it. And then there is the lesson, which is an inference drawn from the event. Therefore, do not use approach X. That is not a fact. It is a hypothesis about the future, and like any hypothesis it might be wrong, or it might stop being true later.
The trouble is that most memory I have seen stores the second thing and quietly drops the first. It keeps "do not use X" and throws away "because on Tuesday it broke with Y." Which feels efficient. The conclusion is what you act on, so why keep the messy event around.
Because once the lesson is cut loose from its evidence, you can never check it again. You are left with a rule and no way to ask whether the rule is still warranted, because the thing that warranted it is gone. The agent will keep refusing to use X long after the reason evaporated, and it cannot even tell you why, only that it knows not to. That is superstition, in the precise sense. A behavior that has outlived its justification and no longer remembers it ever had one.
