docs: 开启 ECR-004 威科夫硬化与 VP 减负（Draft）

跟进 ECR-003 Review Findings；待 Approve 后实现。

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/PROJECT_PROFILE.md

@@ -34,7 +34,7 @@ Trading System（缠论分析引擎 + 可视化 Web；Freqtrade 策略目录独
 
 ## Active anchors
 
-- ECR: ECR-002 / ECR-003 Reviewed（主站威科夫）
+- ECR: ECR-004 Draft（威科夫硬化）；ECR-002/003 Reviewed
 - EXP: N/A
 - TRACEABILITY: `docs/TRACEABILITY.md`
 - Memory: `docs/AGENT_MEMORY.md`