feat(app): 添加 VAT rate 字段

- 在推送数据中增加 'vat_rate' 字段，用于表示增值税税率
- 默认值为0，以确保在缺少数据时不会引发错误

app/vc/spa.py

@@ -134,6 +134,7 @@ class Spa(AutoInterface):
             processed_item['Group Code'] = relation.get("code")
             processed_item["Original balance"] = original_balance
             processed_item["vat_tax"] = va_tax
+            processed_item['vat_rate'] = item.get("VAT rate", 0)
             processed_items.append(processed_item)
 
         return processed_items
@@ -174,6 +175,7 @@ class Spa(AutoInterface):
             processed_item['Group Code'] = relation.get("code")
             processed_item["Original balance"] = original_balance
             processed_item["vat_tax"] = vat_tax
+            processed_item['vat_rate'] = item.get("VAT rate", 0)
             processed_items.append(processed_item)
         return processed_items
 
@@ -284,7 +286,7 @@ class Spa(AutoInterface):
                     'order_no': item_row.get('Purchase Order', ""),  # 订单号
                     'agreement_title': agreement_type,
                     'vat_tax': item_row.get('vat_tax', 0),
-                    'vat_rate': item_row.get("VAT rate", 0)
+                    'vat_rate': item_row.get("vat_rate", 0)
                 }
                 # 推送数据
                 rabbit.send_message(push_data)