# Backend Design: ECR-030 ModerationCase

| ID | BD-2026-030 |
| Status | Approved |
| Coding | Loop authorized |
| Level | L2 |
| Migration | YES 000031 |

## Backend Change Boundary

```text
Domain: ModerationCase (read)
App: AdminHandler → admin.Service → AdminRepo
API: GET /admin/content-safety/cases; GET /admin/content-safety/cases/{id}
Permission: admin.content_safety.read
Migration: 000031
```

## Out of boundary

审核写回 · 真 NLP 厂商 · UGC · 真支付

Rollback: down migration + remove routes/UI