# Backend Design: ECR-015 RedemptionCode

| ID | BD-2026-015 |
| Status | Approved |
| Coding | Loop authorized |
| Level | L2 |

## Boundary

```text
Domain: RedemptionBatch, RedemptionCode
App: admin + membership.Redeem
API: /admin/redemption-* , POST /membership/redeem
Migration: YES 000018
```

Rollback: down migration