# HANDOFF — Architect → Engineer · ECR-041

**Date:** 2026-08-13  
**ECR:** ECR-041 Banner 薄写面  
**Auth:** `docs/WAVE0/WRITE_WAVE_AUTHORIZATION.md` · Human Coding Start  
**Spec:** `.ai/product/feature-spec/ops-banner-write.md`  
**BD:** `docs/BACKEND_DESIGN/BD-2026-041-banner-write.md`

## Do

1. Migration `000051_ops_banner_write` — grant `admin.cms.write` to `super_admin`  
2. Admin `POST/PUT /admin/cms/banners*` + audit；C 端 `GET /home/banners`  
3. user-h5 首页推荐区投影；空/失败回退 `homeFeeds`  
4. admin-h5 CMS Banner 编辑（FeedSlot **只读**）  
5. OpenAPI · CONTRACT_DIFF · integration AC  
6. `repo-governance-check` PASS · TEST_REPORT · Close  

## Don't

FeedSlot 写 · soft-delete · 真支付 · UGC · Crisis/Handoff/ContentSafety · 扩 scope  

## Done when

Spec §8 AC 有测试证据；ECR Status Closed；Max Migration=`000051`