Reusability / Over-Generalization
Kind: tension
Record: tension:over-generalization-reusability
Canonical: Schema
"reusability" (structural-core layer) is traded against "Over-Generalization" (structural-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Over-Generalization" and choosing an explicit operating point.
Listed in Tensions, after Reusability / YAGNI and before Replaceability / Deep Optimization.