Chan/docs/IMPLEMENTATION_REPORT/ECR-003.md

IMPLEMENTATION_REPORT — ECR-003

Date: 2026-08-06
Status: Implemented
Change Level: L2

What changed

Area	Change
Engine	新建 chanlun/analysis/wyckoff/：交易区间、A–E 阶段、Spring/SOS/LPS/UTAD/SOW/LPSY、区间 VP（POC/VAH/VAL）、量能确认
API	/api/analyze 按需 include_wyckoff=1 返回顶层 wyckoff；默认可不计算
Contract	analyze_contract_keys.json 扩展为 required + optional_when
UI	主站「威科夫」及子项开关；Lightweight 绘制区间/阶段/事件/VP
Tests	tests/test_wyckoff.py；契约 HTTP opt-in

Compatibility

• 缠论算法与 golden 基线未改
• /api/analyze 既有字段未删；wyckoff 仅 opt-in
• 未改 config/ / strategies/；未改 /chan_tv

Tests

见 docs/TEST_REPORT/ECR-003.md。

Follow-ups

• CODE_REVIEW Approve
• 启发式参数（ATR 容差、lookback）后续可调