# Backend Design: ECR-048 ReportTemplate Write

| Field | Value |
|-------|-------|
| ID | BD-2026-048 |
| Status | **Closed** |
| Coding | **Closed** |
| Migration | `000057_ops_report_template_write` |

## Boundary

```text
POST/PUT /api/v1/admin/growth/report-templates*
Permission: admin.growth.write (reuse)
Fields: code, title, scene, active
system=true: code immutable
Audit: growth.report_template.create|update
No C-end route · no DELETE
```

## Out

Funnel re-write · Prompt · soft-delete · auto ECR-049