Improve cleanup and signal disconnection on teardown

Add explicit disconnection of signals and abort pending network replies in destructors and shutdown methods to prevent unwanted callbacks and threading issues during object destruction or shutdown. This enhances robustness and safety, especially in asynchronous and multi-threaded contexts.

ApplicationLibCode/Application/Tools/Cloud/RiaCloudConnector.cpp

@@ -133,6 +133,16 @@ RiaCloudConnector::RiaCloudConnector( QObject*       parent,
 //--------------------------------------------------------------------------------------------------
 RiaCloudConnector::~RiaCloudConnector()
 {
+    // Disconnect all signals to prevent callbacks during destruction
+    if ( m_authCodeFlow )
+    {
+        m_authCodeFlow->disconnect();
+    }
+
+    if ( m_networkAccessManager )
+    {
+        m_networkAccessManager->disconnect();
+    }
 }
 
 //--------------------------------------------------------------------------------------------------

ApplicationLibCode/Application/Tools/Cloud/RiaOsduConnector.cpp

@@ -54,6 +54,17 @@ RiaOsduConnector::RiaOsduConnector( QObject*       parent,
 //--------------------------------------------------------------------------------------------------
 RiaOsduConnector::~RiaOsduConnector()
 {
+    // Abort all pending network replies to prevent threading issues during destruction
+    QMutexLocker lock( &m_repliesMutex );
+    for ( auto& [id, reply] : m_replies )
+    {
+        if ( !reply.isNull() )
+        {
+            reply->disconnect();
+            reply->abort();
+        }
+    }
+    m_replies.clear();
 }
 
 //--------------------------------------------------------------------------------------------------

ApplicationLibCode/Application/Tools/Telemetry/RiaOpenTelemetryManager.cpp

@@ -184,6 +184,12 @@ void RiaOpenTelemetryManager::shutdown()
         m_healthTimer->stop();
     }
 
+    // Disconnect network manager to prevent callbacks during shutdown
+    if ( m_networkAccessManager )
+    {
+        m_networkAccessManager->disconnect();
+    }
+
     // Flush pending events
     flushPendingEvents();