Greenfield Development / Legacy Constraints
Kind: tension
Record: tension:greenfield-development-legacy-constraints
Canonical: Schema
"greenfield-development" (evolution-principles layer) is traded against "Legacy Constraints" (evolution-principles layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Legacy Constraints" and choosing an explicit operating point.
Listed in Tensions, after Greenfield Development / Unknown Requirements and before First-Principles Design / Reuse of Established Patterns.