Fix tray visibility and message reception issues

- Disable sound initialization to prevent hanging
- Add missing import re in utils.py
- Fix settings loading for QSettings
- Update file paths to use PROJECT_ROOT
- Revert to working API paths and listener from commit efdc63e

venv/lib/python3.12/site-packages/PyQt6/bindings/QtBluetooth/qlowenergycharacteristic.sip

@@ -0,0 +1,68 @@
+// qlowenergycharacteristic.sip generated by MetaSIP
+//
+// This file is part of the QtBluetooth Python extension module.
+//
+// Copyright (c) 2025 Riverbank Computing Limited <info@riverbankcomputing.com>
+// 
+// This file is part of PyQt6.
+// 
+// This file may be used under the terms of the GNU General Public License
+// version 3.0 as published by the Free Software Foundation and appearing in
+// the file LICENSE included in the packaging of this file.  Please review the
+// following information to ensure the GNU General Public License version 3.0
+// requirements will be met: http://www.gnu.org/copyleft/gpl.html.
+// 
+// If you do not wish to use this file under the terms of the GPL version 3.0
+// then you may purchase a commercial license.  For more information contact
+// info@riverbankcomputing.com.
+// 
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+
+
+%If (Qt_6_2_0 -)
+
+class QLowEnergyCharacteristic
+{
+%TypeHeaderCode
+#include <qlowenergycharacteristic.h>
+%End
+
+public:
+    enum PropertyType /BaseType=Flag/
+    {
+        Unknown,
+        Broadcasting,
+        Read,
+        WriteNoResponse,
+        Write,
+        Notify,
+        Indicate,
+        WriteSigned,
+        ExtendedProperty,
+    };
+
+    typedef QFlags<QLowEnergyCharacteristic::PropertyType> PropertyTypes;
+    QLowEnergyCharacteristic();
+    QLowEnergyCharacteristic(const QLowEnergyCharacteristic &other);
+    ~QLowEnergyCharacteristic();
+    QString name() const;
+    QBluetoothUuid uuid() const;
+    QByteArray value() const;
+    QLowEnergyCharacteristic::PropertyTypes properties() const;
+    QLowEnergyDescriptor descriptor(const QBluetoothUuid &uuid) const;
+    QList<QLowEnergyDescriptor> descriptors() const;
+    bool isValid() const;
+    QLowEnergyDescriptor clientCharacteristicConfiguration() const;
+    static const QByteArray CCCDDisable;
+    static const QByteArray CCCDEnableNotification;
+    static const QByteArray CCCDEnableIndication;
+};
+
+%End
+%If (Qt_6_2_0 -)
+bool operator==(const QLowEnergyCharacteristic &a, const QLowEnergyCharacteristic &b);
+%End
+%If (Qt_6_2_0 -)
+bool operator!=(const QLowEnergyCharacteristic &a, const QLowEnergyCharacteristic &b);
+%End