feat: add recharge workflow models and schema statuses

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/models/pl_models.py

@@ -1333,7 +1333,41 @@ class PlVehicleRechargeApply(Base):
     odometer_km = Column(DECIMAL(10, 1), nullable=True, comment="期初公里数")
     attachment_urls = Column(String(2000), nullable=True, comment="附件URL")
     applicant_id = Column(String(64), nullable=False, comment="申请人ID")
-    status = Column(String(20), nullable=False, default="pending", comment="申请状态")
+    status = Column(
+        String(20),
+        nullable=False,
+        default="draft",
+        comment="draft/in_approval/rejected/disbursed/cancelled",
+    )
+    wf_id = Column(String(64), nullable=True, comment="工作流定义ID")
+    current_node = Column(String(64), nullable=True, comment="当前节点ID")
+    approval_round = Column(Integer, nullable=False, default=0, comment="当前审批轮次")
+    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
+    order_num = Column(Integer, nullable=True, comment="排序号")
+    remark = Column(String(512), nullable=True, comment="备注")
+    create_by = Column(String(64), nullable=True, comment="创建人id")
+    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
+    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
+    update_by = Column(String(64), nullable=True, comment="更新人id")
+    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
+    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记：0-正常 1-已删除")
+
+
+class PlVehicleRechargeApproval(Base):
+    """车辆充值申请审批历史 pl_vehicle_recharge_approval"""
+
+    __tablename__ = "pl_vehicle_recharge_approval"
+
+    id = Column(String(64), primary_key=True, comment="主键ID")
+    apply_id = Column(String(64), nullable=False, comment="申请单ID")
+    approval_round = Column(Integer, nullable=False, default=1, comment="审批轮次")
+    node_id = Column(String(64), nullable=True, comment="节点ID快照")
+    node_name = Column(String(128), nullable=True, comment="节点名称快照")
+    approver_id = Column(String(64), nullable=False, comment="审批人用户ID")
+    approver_name = Column(String(64), nullable=False, comment="审批人姓名")
+    approval_status = Column(String(32), nullable=False, comment="approved/rejected/disbursed")
+    approval_opinion = Column(String(1024), nullable=True, comment="审批意见")
+    approval_time = Column(DateTime, nullable=False, comment="审批时间")
     tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
     order_num = Column(Integer, nullable=True, comment="排序号")
     remark = Column(String(512), nullable=True, comment="备注")