fix(ops): 修正工牌设备状态事件处理器配置

- 包名从 handler 改为 listener
- 使用 TransactionalEventListener 替代 EventListener
- 线程池名修正为 ops-task-executor
- 状态从 ASSIGNED 改为 PENDING
- 清理测试文件中的重复代码

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

viewsh-module-ops/viewsh-module-ops-biz/src/test/java/com/viewsh/module/ops/service/order/OpsOrderServiceTest.java

@@ -84,31 +84,7 @@ public class OpsOrderServiceTest {
             // 模拟 MyBatis Plus 的 ID 自动回填
             if (order.getId() == null) {
                 order.setId(1L);
-    @Test
-    void testAssignOrder_FromQueuedStatus_Success() {
-        // Given
-        testOrder.setStatus(WorkOrderStatusEnum.QUEUED.getStatus());
-        OpsOrderAssignReqDTO assignReq = new OpsOrderAssignReqDTO();
-        assignReq.setOrderId(1L);
-        assignReq.setAssigneeId(2001L);
-        assignReq.setRemark("排队后分配");
-
-        when(opsOrderMapper.selectById(1L)).thenReturn(testOrder);
-
-        // When
-        assertDoesNotThrow(() -> opsOrderService.assignOrder(assignReq, OperatorTypeEnum.SYSTEM, null));
-
-        // Then
-        verify(orderStateMachine, times(1)).transition(
-            eq(testOrder),
-            eq(WorkOrderStatusEnum.DISPATCHED),
-            eq(OperatorTypeEnum.SYSTEM),
-            eq(null),
-            eq("排队后分配")
-        );
-        assertEquals(2001L, testOrder.getAssigneeId());
-    }
-}
+            }
             return 1;
         });