Your question is Legacy Data Migration Consistency. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You're planning a migration from a legacy data system to a new platform, and the main concern is keeping records aligned during the cutover. You need a clear approach for validating that data moved correctly, handling re-runs safely, and reconciling gaps that appear during migration.
How do you ensure data consistency when migrating from a legacy system to a new platform?