Baseline manifest: version-locked set of design inputs and tools.
Boundary contract: assumptions and guarantees at team/domain interfaces.
Closure dashboard: cross-domain status view for tapeout decisions.
Residual risk: known, bounded risk accepted with owner and expiry.
TRR: Tapeout readiness review gating release package signoff.
Integration churn: avoidable rework caused by contract drift or ownership gaps.