and here is proof the five hold.
a devops engineer in the replies runs every one of them, then takes them up a tier, hermes agents in a GKE cluster with self hosted models behind them.
that is the part most people miss. the foundations do not change when you scale from one box to a cluster, they just take bigger forms. the principle is the same at one machine and at a hundred.
the agentic corner is small and it is real. this is what it looks like.