# Backend Design: ECR-025 FeedSlot

| ID | BD-2026-025 |
| Status | Approved |
| Coding | Loop authorized |
| Level | L2 |
| Migration | YES 000026 |

## Backend Change Boundary

```text
Domain: FeedSlot (read)
App: AdminHandler → admin.Service → AdminRepo
API: GET /admin/cms/feed-slots; GET /admin/cms/feed-slots/{id}
Permission: admin.cms.read
Migration: 000026
```

## Out of boundary

FeedSlot 写发布 · ScheduledPublication · UGC · 真支付 · Banner 写

Rollback: down migration + remove routes/UI