feat: add recharge workflow models and schema statuses

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

backend/app/services/bx/workflow.py

@@ -20,6 +20,10 @@ _DEFAULT_WORKFLOWS = {
         "wf_name": "报销单审批流程",
         "remark": "报销申请默认审批流程",
     },
+    "vehicle_recharge": {
+        "wf_name": "ETC/加油充值审批流程",
+        "remark": "充值申请默认审批流程",
+    },
 }
 
 
@@ -162,6 +166,18 @@ class WorkflowService:
         if not workflow:
             raise ValueError("工作流不存在")
 
+        disburse_count = 0
+        for node_data in nodes:
+            action = (
+                node_data.get("action_type")
+                or node_data.get("actionType")
+                or "approve"
+            )
+            if action == "disburse":
+                disburse_count += 1
+        if disburse_count > 1:
+            raise ValueError("发放登记节点至多一个")
+
         db.query(BxWorkflowNode).filter(
             BxWorkflowNode.wf_id == wf_id,
             BxWorkflowNode.tenant_no == tenant_no,
@@ -170,6 +186,7 @@ class WorkflowService:
         created: List[BxWorkflowNode] = []
         for node_data in nodes:
             data = dict(node_data)
+            data.pop("actionType", None)
             data["id"] = generate_uuid()
             data["wf_id"] = wf_id
             data["tenant_no"] = tenant_no
@@ -177,6 +194,8 @@ class WorkflowService:
             data["create_dept_id"] = user.dept_id or ""
             if data.get("approver_id") is not None:
                 data["approver_id"] = str(data["approver_id"]).strip() or None
+            if not data.get("action_type"):
+                data["action_type"] = "approve"
             node = BxWorkflowNode(**data)
             db.add(node)
             created.append(node)