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/autotests/integration/helper/kill.cpp

@@ -0,0 +1,35 @@
+/*
+    KWin - the KDE window manager
+    This file is part of the KDE project.
+
+    SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>
+    SPDX-FileCopyrightText: 2019 David Edmundson <davidedmundson@kde.org>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+#include <QApplication>
+#include <QEventLoop>
+#include <QTimer>
+#include <QWidget>
+#include <unistd.h>
+
+#include <csignal>
+
+int main(int argc, char *argv[])
+{
+    qputenv("QT_QPA_PLATFORM", QByteArrayLiteral("wayland"));
+    QApplication app(argc, argv);
+    QWidget w;
+    w.setGeometry(QRect(0, 0, 100, 200));
+    w.show();
+
+    auto freezeHandler = [](int) {
+        while (true) {
+            sleep(10000);
+        }
+    };
+
+    signal(SIGUSR1, freezeHandler);
+
+    return app.exec();
+}