chore: 并入 iotlcm-app 历史到 app/（原提交 f40bda9）

app/server/internal/model/work_order_queue.go

@@ -0,0 +1,7 @@
+package model
+
+// WorkOrderAutoCloseMessage triggers the shared worker's delayed close.
+type WorkOrderAutoCloseMessage struct {
+	WoNo          string `json:"woNo"`
+	ResolveTimeTs int64  `json:"resolveTimeTs"`
+}