Runtime Extensibility / Security
Kind: tension
Record: tension:runtime-extensibility-security
Canonical: Schema
"runtime-extensibility" (extensibility-core layer) is traded against "Security" (security-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Security" and choosing an explicit operating point.
Listed in Tensions, after Runtime Extensibility / Predictability and before Causality / Parallelism.