fix(dispatch): publish capacity demands only during creation

lastleg-service/src/main/resources/openapi/overseas-business-v1.yaml

@@ -4080,10 +4080,6 @@ components:
       type: object
       x-java-record: DispatchCommands.Update
       properties:
-        publishLooseboardDemand:
-          type: boolean
-          description: 是否向内部散板需求池发布本车余位；新建默认勾选。
-
         recordVersion:
           oneOf:
           - type: string
@@ -4118,7 +4114,6 @@ components:
           nullable: true
           description: 本趟可空补充资料，八字段均可空；空白字符串规范为null，不替代正式FBA预约或实际发车时间。
       required:
-      - publishLooseboardDemand
       - recordVersion
       - idempotencyKey
     DeliveryStatusChange:
@@ -5984,8 +5979,8 @@ components:
       properties:
         publishLooseboardDemand:
           type: boolean
-          description: 是否向内部散板需求池发布本车余位；新建默认勾选。
-          default: true
+          description: 是否向内部散板需求池发布本车余位；仅智能排车建单时选择，默认不发布。
+          default: false
 
         idempotencyKey:
           type: string
@@ -6701,7 +6696,7 @@ components:
       properties:
         publishLooseboardDemand:
           type: boolean
-          description: 是否向内部散板需求池发布本车余位；新建默认勾选。
+          description: 建单时确定的散板需求发布选择，维护车辆不可修改。
 
         dispatchNo:
           type: string