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/kwin/source/src/waylandshellintegration.h

@@ -0,0 +1,25 @@
+/*
+    SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+
+#pragma once
+
+#include "window.h"
+
+namespace KWin
+{
+
+class WaylandShellIntegration : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit WaylandShellIntegration(QObject *parent = nullptr);
+
+Q_SIGNALS:
+    void windowCreated(Window *window);
+};
+
+} // namespace KWin