feat: verify Tornado PGM KTAP connection

tools/MBN_STOCK_WEBVIEW.PlayoutSmoke/IsolatedTestCommand.cs

@@ -333,6 +333,15 @@ internal static class IsolatedTestCommandExecutor
                     }
 
                     outputMayBeActive = false;
+                    // K3D output methods complete asynchronously through event callbacks.
+                    // The current adapter does not consume those callbacks yet, so keep
+                    // the connection alive for the same bounded observation window after
+                    // TAKE OUT before requesting Disconnect.
+                    if (!await ObserveAsync().ConfigureAwait(false))
+                    {
+                        stoppedAfter = "TakeOutObservation";
+                        break;
+                    }
                 }
 
                 disconnectAttempted = true;