# Backend Design: ECR-018 Entitlement

| ID | BD-2026-018 |
| Status | Approved |
| Coding | Loop authorized |
| Level | L2 |
| Migration | NO |

## Backend Change Boundary

```text
Domain: Entitlement read model (Membership ∪ DeepAccess ∪ ask quotas)
App: AdminHandler → admin.Service → AdminRepo + ReportRepo.GetMembership
API: GET /api/v1/admin/users/{id}/entitlements
Permission: admin.users.read
Migration: NO
UI: admin-h5 UserDetail「权益」Tab
```

## Out of boundary

Payment gateway · new entitlement matrix table · order mutation · UGC

Rollback: remove route + UI tab（无 schema）