Move remaining code to app module

There's still some stuff that could potentially go elsewhere but I think it's enough for now.

src/app/fakerunner.h

@@ -0,0 +1,31 @@
+// SPDX-FileCopyrightText: 2024 Joshua Goins <josh@redstrate.com>
+// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+
+#pragma once
+
+#include <QDBusContext>
+
+#include "runner.h"
+
+/**
+ * This is a close-to-identical copy of the regular Runner interface,
+ * only used when activated for push notifications. This stubs it out so
+ * Plasma Search and Kickoff doesn't accidentally activate the push notification
+ * service.
+ *
+ * @sa Runner
+ */
+class FakeRunner : public QObject, protected QDBusContext
+{
+    Q_OBJECT
+    Q_CLASSINFO("D-Bus Interface", "org.kde.krunner1")
+
+public:
+    Q_SCRIPTABLE RemoteActions Actions();
+
+    Q_SCRIPTABLE RemoteMatches Match(const QString &searchTerm);
+
+    Q_SCRIPTABLE void Run(const QString &id, const QString &actionId);
+
+    FakeRunner();
+};