fix(dispatch): publish capacity demands only during creation

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/entity/DispatchAggregate.java

@@ -10,7 +10,7 @@ public class DispatchAggregate {
     private String dispatchNo;
     private String taskType;
     /** 是否向内部散板需求池发布本车余位。 */
-    private Boolean publishLooseboardDemand = true;
+    private Boolean publishLooseboardDemand = false;
     private Long tripId;
     private String overseasWarehouseId;
     private String overseasWarehouseCode;

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/port/DispatchCommands.java

@@ -24,15 +24,15 @@ public final class DispatchCommands {
     public record Create(String idempotencyKey, String warehouseId, Vehicle vehicle, Driver driver,
                            Instant plannedDepartureAt, Instant estimatedArrivalAt, String remark,
                            List<CargoSelection> cargo, List<BatchAllocation> batchAllocations, Boolean publishLooseboardDemand) {
-        /** 新建排车默认发布内部余位，显式取消时保持不发布。 */
-        public Create { publishLooseboardDemand = publishLooseboardDemand == null ? true : publishLooseboardDemand; }
+        /** 仅智能排车建单时显式选择发布，未选择时不发布。 */
+        public Create { publishLooseboardDemand = Boolean.TRUE.equals(publishLooseboardDemand); }
     }
 
     public record Update(Long recordVersion, String idempotencyKey, Vehicle vehicle, Driver driver,
                            Instant plannedDepartureAt, Instant estimatedArrivalAt,
-                           String remark, Boolean publishLooseboardDemand, Maintenance maintenance) {
+                           String remark, Maintenance maintenance) {
         /** 缺版本与有效版本零必须区分。 */
-        public Update { recordVersion = requireVersion(recordVersion); if (publishLooseboardDemand == null) throw new IllegalArgumentException("请明确是否发布散板需求"); }
+        public Update { recordVersion = requireVersion(recordVersion); }
     }
 
     public record AddCargo(Long recordVersion, String idempotencyKey, List<CargoSelection> cargo,

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/service/DispatchAggregateService.java

@@ -451,7 +451,7 @@ public class DispatchAggregateService implements DispatchExecutionPort,DispatchA
         }
         row.setResourcesJson(write(savedResources));row.setVehiclePlate(actual.vehicle()==null?null:actual.vehicle().plate());
         row.setPlannedDepartureAt(utc(request.plannedDepartureAt()));row.setEstimatedArrivalAt(utc(request.estimatedArrivalAt()));row.setRemark(request.remark());
-        row.setPublishLooseboardDemand(request.publishLooseboardDemand());
+        // 发布选择仅在建单时确定，维护车辆不得取消或重新发布需求。
         if(!Objects.equals(before,basis(row)))invalidate(row,"车辆、司机或计划信息已修改");
         fleet.saveDispatchResources(number,actor.operatorId(),actual,request.plannedDepartureAt(),request.remark());
         return saveCommand(row,actor,identity,request.remark());