fix: 注释工单对接代码，修复API响应解析和类型问题

- 工单创建/自动结单代码全部注释，待本地测试后启用
- 修复create_order响应解析：data直接是orderId，非嵌套对象
- 修复areaId类型：int（文档要求），非str
- 修复auto-complete orderId类型：int
- 两步卡片状态机和先到先得逻辑保留生效

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/services/work_order_client.py

@@ -77,7 +77,7 @@ class WorkOrderClient:
     async def create_order(
         self,
         title: str,
-        area_id: str,
+        area_id: int,
         alarm_id: str,
         alarm_type: str,
     ) -> Optional[str]:
@@ -111,7 +111,8 @@ class WorkOrderClient:
                 logger.error(f"创建工单失败: {data}")
                 return None
 
-            order_id = data.get("data", {}).get("orderId", "")
+            # API 返回 {"code":0, "data": 1234567890} — data 直接是 orderId
+            order_id = str(data.get("data", ""))
             logger.info(f"工单已创建: orderId={order_id}, alarmId={alarm_id}")
             return order_id
 
@@ -134,7 +135,7 @@ class WorkOrderClient:
             return False
 
         body = {
-            "orderId": order_id,
+            "orderId": int(order_id) if order_id else 0,
             "remark": remark,
         }
         body_json = json.dumps(body, ensure_ascii=False, separators=(",", ":"))