feat:风控Agent（规则引擎+前置拦截+人工处置+工单闭环）

model/trade_order.py

@@ -0,0 +1,31 @@
+"""trade_order 交易申请单 ORM 模型（风控阻断闭环主表，状态机单一来源）。"""
+from __future__ import annotations
+
+from datetime import datetime
+from decimal import Decimal
+
+from sqlalchemy import BigInteger, DateTime, Numeric, String, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from model.base import Base
+
+
+class TradeOrder(Base):
+    __tablename__ = "trade_order"
+    __table_args__ = {"comment": "交易申请单（风控阻断闭环主表，状态机单一来源）"}
+
+    id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
+    order_no: Mapped[str] = mapped_column(String(32), unique=True)
+    customer_id: Mapped[int] = mapped_column(BigInteger)
+    product_id: Mapped[int] = mapped_column(BigInteger)
+    advisor_id: Mapped[int | None] = mapped_column(BigInteger)
+    order_type: Mapped[str] = mapped_column(String(16))
+    amount: Mapped[Decimal | None] = mapped_column(Numeric(18, 2))
+    shares: Mapped[Decimal | None] = mapped_column(Numeric(18, 4))
+    nav: Mapped[Decimal | None] = mapped_column(Numeric(12, 6))
+    fee: Mapped[Decimal | None] = mapped_column(Numeric(12, 2))
+    status: Mapped[str] = mapped_column(String(16), server_default="待确认")
+    risk_alert_id: Mapped[int | None] = mapped_column(BigInteger)
+    cancel_reason: Mapped[str | None] = mapped_column(String(255))
+    create_time: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
+    confirm_time: Mapped[datetime | None] = mapped_column(DateTime)