when Gen AI cites docs that don't exist

♠ Today in AGI : two Claude agents, same annotation, opposite answers. I had a PR touching an ArgoCD PostSync hook. Ordering hooks within a phase needs an annotation, so I asked; Claude Code (Opus 4.8) and Claude in GitHub disagreed: Claude Code: argocd.argoproj.io/hook-weight does not exist. Claude in GitHub: it does exist. Both stated it flatly. So I pushed the GitHub agent, and it doubled down…