Solution: Before batch: snapshot → run against staging → compare (connectivity, gravity, duplicates) → rollback if regression. LanceDB versioning (native time-travel) may eliminate storage cost.
v3 2026-04-05 Q Mapped to whitepaper sections
v2 2026-04-05 Q Imported SPEC-015 from model_specifications_v2.html
v1 2026-04-05 Q Created spec: SPEC-015: Orchestration with Rollback