Domain Service / Aggregate
Kind: tension
Record: tension:aggregate-domain-service
Canonical: Schema
"domain-service" (domain-modeling layer) is traded against "Aggregate" (domain-modeling layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Aggregate" and choosing an explicit operating point.
Listed in Tensions, after Entity / Value Object and before Runtime Discovery / Predictability.