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-kauth/source/autotests/BackendsManager.cpp

@@ -0,0 +1,68 @@
+/*
+    SPDX-FileCopyrightText: 2012 Dario Freddi <drf@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.1-or-later
+*/
+
+#include "BackendsManager.h"
+
+#include "BackendsConfig.h"
+
+// Include backends directly
+#include "TestBackend.h"
+#include "backends/dbus/DBusHelperProxy.h"
+
+#include <QDebug>
+#include <QDir>
+#include <QPluginLoader>
+#include <QThread>
+
+namespace KAuth
+{
+AuthBackend *BackendsManager::auth = nullptr;
+QHash<QThread *, HelperProxy *> proxiesForThreads = QHash<QThread *, HelperProxy *>();
+
+BackendsManager::BackendsManager()
+{
+}
+
+void BackendsManager::init()
+{
+    if (!auth) {
+        // Load the test backend
+        auth = new TestBackend;
+    }
+
+    if (!proxiesForThreads.contains(QThread::currentThread())) {
+        // Load the test helper backend
+        proxiesForThreads.insert(QThread::currentThread(), new DBusHelperProxy(QDBusConnection::sessionBus()));
+    }
+}
+
+AuthBackend *BackendsManager::authBackend()
+{
+    if (!auth) {
+        init();
+    }
+
+    return auth;
+}
+
+HelperProxy *BackendsManager::helperProxy()
+{
+    if (!proxiesForThreads.contains(QThread::currentThread())) {
+        qDebug() << "Creating new proxy for thread" << QThread::currentThread();
+        init();
+    }
+
+    return proxiesForThreads[QThread::currentThread()];
+}
+
+void BackendsManager::setProxyForThread(QThread *thread, HelperProxy *proxy)
+{
+    qDebug() << "Adding proxy for thread" << thread;
+
+    proxiesForThreads.insert(thread, proxy);
+}
+
+} // namespace Auth