LINEAGE.

24 columns traced from source to consumer. 8 columns feed into downstream PII without producer notice. 2 columns reach customer-facing surfaces with no schema review.

You can't honor deletion if you can't draw the line.

DL-019 · user.email → marketing CDP NO REVIEW

4-hop pipeline ending in marketing CDP. No schema change review.

Gate column changes via review, generate lineage doc, notify consumers.