Metric Lineage and Audit Trails for Production Models: an Engineer’s Spec
Auditors and credit committees will reject vague metrics—this spec ties a KPI back to raw rows, transformations, and model versions using dbt + Snowflake + MLflow. Includes an acceptance‑gate checklist, vendor patterns (Databricks vs Snowflake+dbt), and a minimal telemetry plan to keep an auditable trail without exploding costs.
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