Advance Wayland and KDE package bring-up

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/recipes/kde/kf6-kxmlgui/source/src/systeminformation_p.h

@@ -0,0 +1,46 @@
+/* This file is part of the KDE project
+    SPDX-FileCopyrightText: 1999 David Faure <faure@kde.org>
+    SPDX-FileCopyrightText: 2014 Alex Richardson <arichardson.kde@gmail.com>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+#ifndef SYSTEMINFORMATION_P_H
+#define SYSTEMINFORMATION_P_H
+
+#include <QString>
+
+namespace SystemInformation
+{
+QString userName();
+}
+
+#if !defined(Q_OS_WIN)
+#include <pwd.h>
+#include <sys/utsname.h>
+#include <unistd.h>
+inline QString SystemInformation::userName()
+{
+    struct passwd *p = getpwuid(getuid());
+    return QString::fromLatin1(p->pw_name);
+}
+
+#else
+#include <QOperatingSystemVersion>
+#include <qt_windows.h>
+#define SECURITY_WIN32
+#include <security.h>
+//#include <secext.h> // GetUserNameEx
+
+inline QString SystemInformation::userName()
+{
+    WCHAR nameBuffer[256];
+    DWORD bufsize = 256;
+    if (!GetUserNameExW(NameDisplay, nameBuffer, &bufsize)) {
+        return QStringLiteral("Unknown User"); // should never happen (translate?)
+    }
+    return QString::fromWCharArray(nameBuffer);
+}
+
+#endif
+
+#endif // SYSTEMINFORMATION_P_H