task_id: ECR-004
title: 威科夫区间评分硬化与主站 VP 绘图减负
status: done_reviewed
change_level: L2
ecr: docs/ECR/ECR-004-wyckoff-harden.md
idea: docs/IDEA/IDEA-005-wyckoff-harden.md
code_review: docs/CODE_REVIEW/ECR-004.md
notes: A+C VP; no per-symbol params; BTC-oriented validation. Approve 2026-08-06.