These pieces exist to make public claims harder to misunderstand. They are not a substitute for docs or a fake launch calendar.
Structural diff needs a shared dialect. Cross-engine work is Conversion Studio, not compare.
The control plane stores operational metadata. Database passwords and rows do not.
Change data capture runs on four engines, with snapshot-first defaults, then a bounded number of change passes.
Audit events are hash-chained with Merkle seals. You can verify integrity. You cannot one-click export the ledger today.