# TRACEABILITY — ECR-001

| ECR | Requirement | Spec | Code | Test |
|-----|-------------|------|------|------|
| ECR-001 | 引擎包化 + shim | ENG-001 / ADR-001 | `chanlun/` + root shims | import smoke + golden |
| ECR-001 | TF_DF 门面拆分 | ENG-001 | `chanlun/pipeline/` | golden pipeline |
| ECR-001 | Web 分层 | ENG-001 | `web/services` `web/api` | analyze contract |
| ECR-001 | 前端模块化 | ENG-001 | `web/static/js/app/` | manual / smoke |
| ECR-001 | 策略零改动 | PROFILE | no edits under strategies/ | git diff empty |