feat(ops): 手动派单遵循执行人忙碌状态，忙碌时入队等待

ManualOrderActionFacade.dispatch：
- 新增 strategy.isAssigneeIdle() 判断，空闲→DISPATCHED，忙碌→QUEUED
- 不再无条件直接派发

OrderBusinessStrategy：
- 新增 isAssigneeIdle() 默认方法，默认返回 true

CleanOrderBusinessStrategy：
- isAssigneeIdle 通过 BadgeDeviceStatusService.isBusy() 判断设备忙碌

SecurityOrderBusinessStrategy：
- isAssigneeIdle 通过 UserDispatchStatusService.isIdle() 判断人员忙碌

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

viewsh-module-ops/viewsh-module-environment-biz/src/main/java/com/viewsh/module/ops/environment/service/manual/CleanOrderBusinessStrategy.java

@@ -36,6 +36,12 @@ public class CleanOrderBusinessStrategy implements OrderBusinessStrategy {
         return WorkOrderTypeEnum.CLEAN.getType().equals(businessType);
     }
 
+    @Override
+    public boolean isAssigneeIdle(DispatchOrderCommand cmd, OpsOrderDO order) {
+        BadgeDeviceStatusDTO badge = badgeDeviceStatusService.getBadgeStatus(cmd.getAssigneeId());
+        return badge != null && !badge.isBusy();
+    }
+
     @Override
     public void validateDispatch(DispatchOrderCommand cmd, OpsOrderDO order) {
         if (cmd.getAssigneeId() == null) {