Your question is Protect Data Integrity in Migration. 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 are migrating an existing data pipeline from one warehouse and orchestration setup to another. The main concern is keeping source and target data aligned while the cutover happens, including historical backfills, duplicate prevention, and validation of row counts and key fields.
How would you ensure data integrity during a migration?