selfrelease
fad458b2a7
- UIUX 文档：填充 19 个缺口（多主体画像/健康度/AI+看板/增长域/洞察域/创始人端/OODA/助推/商密） - UIUX 文档：插入 6 个新章节（十四~十九），旧章节重编号为二十~三十一，更新目录和交叉引用 - 作业指导书 x5：导航改为 6 域分组，新增 Context Bar/工作模式/Insight Rail/决策线程/多工作区等 UI 概念 - 新建 docs/2-task-uiux.md：50 个代码落地开发任务，按 P0-P6 分优先级 + 8 Sprint 规划 - 后端/前端：大量新增模型、路由、组件（来自之前 Phase 开发）
37 lines
1.7 KiB
Python
37 lines
1.7 KiB
Python
"""弱信号模型。
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技术/情绪/组织/市场四类弱信号采集与关联。
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"""
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import uuid
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from datetime import datetime, timezone
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from sqlalchemy import DateTime, Float, ForeignKey, String, Text
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from sqlalchemy.orm import Mapped, mapped_column
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from app.core.database import Base
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from app.core.types import JSONBType
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class WeakSignal(Base):
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"""弱信号。"""
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__tablename__ = "weak_signals"
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id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
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company_id: Mapped[str] = mapped_column(String(36), ForeignKey("companies.id"), nullable=False, index=True)
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signal_type: Mapped[str] = mapped_column(String(50), nullable=False, comment="technical/sentiment/org/market")
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source: Mapped[str | None] = mapped_column(String(200), nullable=True, comment="信号来源")
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content: Mapped[str] = mapped_column(Text, nullable=False, comment="信号内容")
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confidence: Mapped[float] = mapped_column(Float, nullable=False, default=0.5, comment="置信度（0-1）")
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correlation_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True, comment="关联组 ID")
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correlation_result: Mapped[dict | None] = mapped_column(JSONBType, nullable=True, comment="关联分析结果")
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risk_probability: Mapped[float | None] = mapped_column(Float, nullable=True, comment="风险概率（0-1）")
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status: Mapped[str] = mapped_column(String(20), nullable=False, default="new", comment="new/correlated/alerted/dismissed")
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detected_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
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)
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
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)
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