# Change History

| Date | Card ID | Action | Description |
|---|---|---|---|
| 2026-07-26 | targeting/segmentation | UPDATE | Freshness Check: Added missing body text explanation for `customer/customer_overview` to resolve QC-4/QC-10 (Body-Frontmatter Sync) failure. |
| 2026-07-26 | campaign/campaign_rule | UPDATE | Freshness Check: Added missing 'Mối quan hệ với modules khác' and 'Ví dụ thực tế' sections to resolve QC-3A (Tier 1 structure) failure. |