# HANDOFF — ECR-003 engineer → reviewer

**Date:** 2026-08-06  
**From:** engineer  
**To:** reviewer  

## Summary

主站威科夫 L2：独立分析包 + 按需 API + Lightweight 叠层。

## Artifacts

- IMPL: `docs/IMPLEMENTATION_REPORT/ECR-003.md`
- TEST: `docs/TEST_REPORT/ECR-003.md`
- SPEC: PRODUCT / ENG `docs/*/ECR-003-wyckoff-main.md`
- RISK: N/A（展示分析）

## How to verify

```bash
PYTHONPATH=.:web python -m pytest \
  tests/test_wyckoff.py \
  tests/test_golden_pipeline.py \
  web/tests/test_analyze_contract.py -q
```

主站勾选「威科夫」→ 区间/阶段/事件/VP 可见。