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feat: AI事前预警 — 现金流预测+预警扩展+准确率+情景建议

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Hermes CI Fix
2026-07-21 18:22:04 +08:00
parent 270d7758f8
commit c4e91f28ef
9 changed files with 1101 additions and 6 deletions
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backend/app/models/__init__.py
+42
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@@ -112,6 +112,9 @@ class KPIAlert(Base):
kpi_value_id = Column(Integer, ForeignKey("kpi_values.id"), nullable=True)
alert_level = Column(String(20), default="yellow", comment="green/yellow/red")
alert_message = Column(String(500), nullable=False)
alert_type = Column(String(30), default="actual", comment="actual/forecast — 实际值超限/预测值超限")
suggestion = Column(Text, nullable=True, comment="情景建议")
action_plan_linked_id = Column(Integer, nullable=True, comment="关联的改善计划ID")
status = Column(String(20), default="pending", comment="pending/processing/resolved")
assignee = Column(String(100), nullable=True, comment="处理人")
resolution = Column(Text, nullable=True, comment="处理结果")
@@ -362,3 +365,42 @@ class OKRTemplate(Base):
is_active = Column(Integer, default=1)
created_at = Column(DateTime, server_default=func.now())
updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())
class CashForecast(Base):
"""现金流预测 — 每日未来30天预测"""
__tablename__ = "cash_forecasts"
id = Column(Integer, primary_key=True, index=True)
entity_id = Column(Integer, ForeignKey("entities.id"), nullable=False, comment="企业ID")
forecast_date = Column(DateTime, nullable=False, comment="预测日期（每天一条）")
predicted_cash = Column(Float, nullable=True, comment="预测现金余额")
lower_bound = Column(Float, nullable=True, comment="置信区间下界")
upper_bound = Column(Float, nullable=True, comment="置信区间上界")
alert_status = Column(String(20), default="green", comment="green/yellow/red")
created_at = Column(DateTime, server_default=func.now())
class ForecastAccuracy(Base):
"""预测准确率 — 上期预测 vs 本期实际"""
__tablename__ = "forecast_accuracy"
id = Column(Integer, primary_key=True, index=True)
entity_id = Column(Integer, ForeignKey("entities.id"), nullable=False, comment="企业ID")
period = Column(String(20), nullable=False, comment="期间 2026-07")
forecast_value = Column(Float, nullable=True, comment="预测值")
actual_value = Column(Float, nullable=True, comment="实际值")
mae = Column(Float, nullable=True, comment="绝对误差")
mape = Column(Float, nullable=True, comment="百分比误差")
created_at = Column(DateTime, server_default=func.now())
class ScenarioSuggestion(Base):
"""情景建议模板 — 根据不同预警类型自动生成建议"""
__tablename__ = "scenario_suggestions"
id = Column(Integer, primary_key=True, index=True)
alert_type = Column(String(30), nullable=False, comment="预警类型: cash_low/cash_critical/cost_high/revenue_drop")
title = Column(String(200), nullable=False, comment="建议标题")
description = Column(Text, nullable=True, comment="详细建议")
action_template = Column(Text, nullable=True, comment="改善行动模板")
priority = Column(String(20), default="medium", comment="high/medium/low")
sort_order = Column(Integer, default=0, comment="排序")
created_at = Column(DateTime, server_default=func.now())