Assessment / Time Cost
Kind: tension
Record: tension:assessment-time-cost
Canonical: Schema
"assessment" (evolution-principles layer) is traded against "Time Cost" (structural-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Time Cost" and choosing an explicit operating point.
Listed in Tensions, after Backpressure / Throughput and before Architecture Review / Delivery Speed.