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iAOP/templates/ti-cl4/impurity-forecast/__init__.py
T
bot_dev1 c2926b6c7c feat(#71): 炉层杂质预警模型训练(无监督ZScore评分器+阈值决策+提前量评估,PRD 5.3 ③)
承接 #70 特征工程:把特征向量喂给无监督异常评分模型,输出异常分数与预警决策。
PRD 5.3 ③ / 风险表明:一期数据门槛低,阈值+无监督上线,3 个月后转监督。

- model.py:ZScoreScorer(3σ 评分,支持恒定列/缺失值)+ ThresholdRule(分数阈值∪
  FeatureSpec breach 决策,降低单指标误报)+ ImpurityForecaster(统一入口)+
  evaluate_lead_time(提前量评估,对齐 PRD 提前≥30min)+ 零依赖 JSON 序列化。
- 与 #70 解耦:模型只依赖特征向量鸭子类型(values/timestamp),独立可测。
- tests/test_model.py:18 项单测(评分器/规则/端到端/提前量/序列化)全通过。
- _sanity_check_model.py:冒烟(正常段fit→异常段预警→提前量>0→序列化往返)。

误报率 ≤ 8% 由分数+breach 双判据与预热语义支撑。
2026-08-05 02:10:08 +08:00

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# -*- coding: utf-8 -*-
"""iAOP-Template-Ti 一期 · 炉层杂质预警无监督模型包(Issue #71)。
导出无监督异常评分器(ZScoreScorer)、预警决策规则(ThresholdRule)与统一入口
(ImpurityForecaster)。模型消费 #70 特征工程的 FeatureVector(鸭子类型),换行业
只改模板配置,模型零改动(PRD 5.3 ③)。
注:特征工程引擎(FeatureEngine/FeatureSpec)见 #70(feature/issue-70 分支),
合入后两者组合使用;本包在 #71 分支独立可测。
"""
from __future__ import annotations
from .model import (
AlertDecision,
FeatureVectorLike,
ImpurityForecaster,
LeadTimeResult,
ThresholdRule,
ZScoreScorer,
evaluate_lead_time,
)
__all__ = [
"AlertDecision",
"FeatureVectorLike",
"ImpurityForecaster",
"LeadTimeResult",
"ThresholdRule",
"ZScoreScorer",
"evaluate_lead_time",
]