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NAS 一次性容器同窗同参(2022-01-01~2024-12-31 max-pool 50)双 rc=0: all_weather −27.49%/夏普−0.61/回撤−34.19%(vs 7月锚 15.48%/+0.04/−23.25%, 偏移−42.97pp 主因=前视移除, 锚另叠 0.001 税+现金定寸两层小项); momentum_timing −50.06%/−0.52=首个无前视基线(无历史锚)。健全性全绿 (previous_date 缺失 0/数据失败 0/信号节律健康)。实盘零影响不变。 处置档 §5.5 收口=P0-4 全链闭环。 Co-Authored-By: Claude Code <reply@anthropic.com>