# ENGINEERING_SPEC — ECR-004 Hygiene Follow-up

Move/extract only. See ECR-004.

## Steps done in coding

1. Synastry: `lib/synastryChart.ts` · `synastryPageActions.ts` · Landing 子组件  
2. `ScalePage.spec.ts`  
3. `handler/report.go` `requireMembership`  
4. `proto/openapi.yaml` schemas + key `$ref`  
5. `.github/workflows/ci.yml`