fix(firstleg): support platform scope port schedules

firstleg/src/main/java/com/baiyue/firstleg/portschedule/dto/PortScheduleDtos.java

@@ -23,7 +23,7 @@ public final class PortScheduleDtos {
         public Query { if (page == 0) page = 1; if (size == 0) size = 20; }
     }
 
-    public record ScheduleData(@NotNull @Positive Long customerId,
+    public record ScheduleData(@NotNull @Min(0) Long customerId,
                                @NotNull @Positive Long oceanBookingId,
                                @Positive Long containerBookingId,
                                @NotBlank @Size(max = 24) String sourceType,

firstleg/src/main/java/com/baiyue/firstleg/portschedule/service/PortScheduleService.java

@@ -102,7 +102,8 @@ public class PortScheduleService {
     private void validateLinks(ScheduleData data) {
         OceanBookingEntity booking = repository.oceanBooking(data.oceanBookingId());
         if (booking == null) throw new BizException(ResultCode.NOT_FOUND, "关联订舱不存在");
-        if (!Objects.equals(booking.getCustomerId(), data.customerId())) throw badRequest("customerId与订舱客户不一致");
+        long expectedCustomerId = booking.getCustomerId() == null ? 0L : booking.getCustomerId();
+        if (expectedCustomerId != data.customerId()) throw badRequest("customerId与订舱客户不一致");
         if (data.containerBookingId() != null) {
             if (repository.containerBooking(data.containerBookingId()) == null) {
                 throw new BizException(ResultCode.NOT_FOUND, "关联柜次不存在");