Schema Contract / Schema Flexibility
Kind: tension
Record: tension:schema-contract-schema-flexibility
Canonical: Schema
"schema-contract" (contracts-core layer) is traded against "Schema Flexibility" (contracts-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Schema Flexibility" and choosing an explicit operating point.
Listed in Tensions, after Data Contract / Flexible Ingestion and before Semantic Contracts / Cross-Domain Translation.