# HANDOFF — ECR-014 Architect → Engineer

**Date:** 2026-08-13  
**ECR:** ECR-014（**Approved** · **Retrospective: true**）  
**BD:** BD-2026-014 Approved  

## Task interpretation

将后台时效字段与前端 `scheduleRefresh` / `useHomeDailyTips` / star·rhythm 静默刷新对齐；补 OpenAPI；跑测。  
**禁止**顺手头像 / 题库。

## Load

1. `docs/ECR/ECR-014-temporal-refresh.md`  
2. `docs/BACKEND_DESIGN/BD-2026-014-temporal-refresh.md`  
3. Spec：`home` · `star-profile` · `life-rhythm`  

## Ordered plan

1. 确认 migration `000023` 可应用；Tips repo 已注入 router  
2. OpenAPI：HomeDailyTips / report summary `as_of`+`valid_until` 契约写清  
3. `go test` home + report temporal  
4. TEST_REPORT · HANDOFF→reviewer · 更新 STATE/TRACE/CHANGELOG  

## Owner

`STATE.owner = engineer`