fix(ops): 状态机允许 CONFIRMED → COMPLETED，支持安保确认后直接完单

安保工单不需要信标到岗检测（ARRIVED），确认接单后可直接提交处理结果完成。
原规则 CONFIRMED → {ARRIVED, CANCELLED} 缺少 COMPLETED，导致安保人员完单报错：
"非法状态转换: CONFIRMED -> COMPLETED"

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

viewsh-module-ops/viewsh-module-ops-biz/src/main/java/com/viewsh/module/ops/service/fsm/OrderStateMachine.java

@@ -72,6 +72,7 @@ public class OrderStateMachine {
 
             WorkOrderStatusEnum.CONFIRMED, Set.of(
                     WorkOrderStatusEnum.ARRIVED,      // 感知信标开始作业
+                    WorkOrderStatusEnum.COMPLETED,    // 安保等场景：确认后直接完成
                     WorkOrderStatusEnum.CANCELLED
             ),