# Backend Design: ECR-044 RhythmConfig Write

| Field | Value |
|-------|-------|
| ID | BD-2026-044 |
| Status | **Approved · Implemented** |
| Coding | **Done · Closed** |
| Level | L2 |
| Migration | `000053_ops_rhythm_config_write`（编码时分配） |

## Boundary

```text
Domain: RhythmConfig write + C-end active read
API:
  POST/PUT /api/v1/admin/explore/rhythm-configs*
  GET /api/v1/rhythm/configs
Permission: admin.explore.write (reuse · 043)
Table: reuse rhythm_configs
Audit: explore.rhythm_config.create|update
```

## Out

StarConfig · ImageCardDeck · ScaleDefinition · AICoreConfig · soft-delete · payment · UGC · auto ECR-045  

## Rollback

migration down · 移除写路由与 C 端读 · H5 回退始终可生成