digital-psychology/docs/BACKEND_DESIGN/BD-2026-037-image-card-deck.md

Backend Design: ECR-037 ImageCardDeck

| ID | BD-2026-037 | | Status | Approved | | Coding | Loop authorized | | Level | L2 | | Migration | YES 000038 |

Backend Change Boundary

Domain: ImageCardDeck (read)
App: AdminHandler → admin.Service → AdminRepo
API: GET /admin/explore/image-card-decks; GET /admin/explore/image-card-decks/{id}
Permission: admin.explore.read
Migration: 000038

Out of boundary

牌组写发布 · UGC · 真支付

Rollback: down migration + remove routes/UI