feat:风控Agent（规则引擎+前置拦截+人工处置+工单闭环）

schemas/work_order.py

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+"""业务工单相关 DTO。"""
+from __future__ import annotations
+
+from datetime import datetime
+
+from pydantic import BaseModel
+
+
+class WorkOrderResp(BaseModel):
+    """工单详情（列表 / 详情共用）。"""
+
+    id: int
+    work_order_no: str
+    order_type: str
+    sub_type: str | None
+    customer_id: int | None
+    submitter_id: int | None
+    handler_id: int | None
+    current_node: str
+    priority: str
+    status: str
+    biz_content: dict | None
+    create_time: datetime
+    update_time: datetime
+
+
+class WorkOrderIdReq(BaseModel):
+    """认领 / 提交审核 入参。"""
+
+    work_order_id: int
+
+
+class WorkOrderReviewReq(BaseModel):
+    """复核入参：approve=True 复核通过，False 复核驳回。"""
+
+    work_order_id: int
+    approve: bool
+    comment: str | None = None