# Backend Design: ECR-038 ReportTemplate

| ID | BD-2026-038 |
| Status | Approved |
| Coding | Loop authorized |
| Level | L2 |
| Migration | YES 000039 |

## Backend Change Boundary

```text
Domain: ReportTemplate (read)
App: AdminHandler → admin.Service → AdminRepo
API: GET /admin/growth/report-templates; GET /admin/growth/report-templates/{id}
Permission: admin.growth.read
Migration: 000039
```

## Out of boundary

模板写发布 · 广告投放 · UGC · 真支付

Rollback: down migration + remove routes/UI