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-kwidgetsaddons/source/src/kpagemodel_p.h

@@ -0,0 +1,23 @@
+/*
+    This file is part of the KDE project
+    SPDX-FileCopyrightText: 2007 Matthias Kretz <kretz@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.0-only
+*/
+
+#ifndef KPAGEMODEL_P_H
+#define KPAGEMODEL_P_H
+
+#include "kpagemodel.h"
+
+class KPageModelPrivate
+{
+    Q_DECLARE_PUBLIC(KPageModel)
+public:
+    virtual ~KPageModelPrivate();
+
+protected:
+    KPageModel *q_ptr;
+};
+
+#endif // KPAGEMODEL_P_H