feat:风控Agent（规则引擎+前置拦截+人工处置+工单闭环）

model/audit_log.py

@@ -0,0 +1,26 @@
+"""audit_log 操作审计日志 ORM 模型（谁在何时做了什么，企业级合规留痕）。"""
+from __future__ import annotations
+
+from datetime import datetime
+
+from sqlalchemy import BigInteger, DateTime, String, Text, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from model.base import Base
+
+
+class AuditLog(Base):
+    __tablename__ = "audit_log"
+    __table_args__ = {"comment": "操作审计日志表（企业级合规留痕）"}
+
+    id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
+    user_id: Mapped[int | None] = mapped_column(BigInteger)
+    username: Mapped[str | None] = mapped_column(String(64))
+    module: Mapped[str] = mapped_column(String(32))
+    action: Mapped[str] = mapped_column(String(64))
+    target: Mapped[str | None] = mapped_column(String(128))
+    detail: Mapped[str | None] = mapped_column(Text)
+    ip: Mapped[str | None] = mapped_column(String(64))
+    trace_id: Mapped[str | None] = mapped_column(String(32))
+    status: Mapped[str] = mapped_column(String(8), server_default="成功")
+    create_time: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())