Fix model optimisation

modules/ANSODEngine/ANSONNXYOLO.h

@@ -213,6 +213,12 @@ namespace ANSCENTER {
         // ONNX Runtime inference engine
         std::unique_ptr<ONNXYOLO> m_ortEngine;
 
+        // DML device-lost recovery: when DirectML's GPU device is removed
+        // (HRESULT 887A0005), the session is permanently broken.  We detect
+        // this once, attempt a CPU-fallback recreation, and suppress further
+        // error-log flooding.
+        bool _dmlDeviceLost{ false };
+
         // Internal detection pipeline
         std::vector<Object> DetectObjects(const cv::Mat& inputImage,
                                           const std::string& camera_id);