refactor: NetworkMonitor, set m_isMonitoring initial state in header

src/lib/gui/core/NetworkMonitor.cpp

@@ -36,7 +36,7 @@ bool NetworkMonitor::isVirtualInterface(const QString &interfaceName) const
   return virtualPatterns.contains(interfaceName, Qt::CaseInsensitive);
 }
 
-NetworkMonitor::NetworkMonitor(QObject *parent) : QObject(parent), m_checkTimer(new QTimer(this)), m_isMonitoring(false)
+NetworkMonitor::NetworkMonitor(QObject *parent) : QObject(parent), m_checkTimer(new QTimer(this))
 {
   connect(m_checkTimer, &QTimer::timeout, this, &NetworkMonitor::updateNetworkState);
 }

src/lib/gui/core/NetworkMonitor.h

@@ -82,7 +82,7 @@ private:
 
   QTimer *m_checkTimer;                ///< Timer for periodic network checks
   QList<QHostAddress> m_lastAddresses; ///< Last known IP addresses
-  bool m_isMonitoring;                 ///< Flag indicating if monitoring is active
+  bool m_isMonitoring = false;         ///< Flag indicating if monitoring is active
 };
 
 } // namespace deskflow::gui