Separation of Concerns / Over-Layering
Kind: tension
Record: tension:over-layering-separation-of-concerns
Canonical: Schema
"separation-of-concerns" (structural-core layer) is traded against "Over-Layering" (structural-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Over-Layering" and choosing an explicit operating point.
Listed in Tensions, after Single Responsibility Principle (SRP) / Excessive Fragmentation and before Do Not Repeat Yourself (DRY) / Locality of Behavior.