Replace raw_customers.csv and raw_orders.csv with synthetic fixtures that reflect your domain, or replace the seed references with declared warehouse sources.
Keep source cleanup and type casting in models/staging/; keep business logic and aggregates in models/marts/.
Add tests for key constraints and business rules in models/schema.yml. Add relationships tests when you have a defined orphan-record policy.
Set model owners, freshness expectations, and alert routing to match your team's operational needs.
Review the generated SQL and warehouse cost before deploying. Set sensible warehouse sizing and job schedules in your orchestrator.