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-kio/source/tests/previewtest.h

@@ -0,0 +1,31 @@
+#ifndef PREVIEWTEST_H
+#define PREVIEWTEST_H
+
+#include <QWidget>
+
+class QLineEdit;
+class QLabel;
+
+class KFileItem;
+class KJob;
+class KUrlRequester;
+
+class PreviewTest : public QWidget
+{
+    Q_OBJECT
+public:
+    PreviewTest();
+
+private Q_SLOTS:
+    void slotGenerate();
+    void slotResult(KJob *);
+    void slotPreview(const KFileItem &, const QPixmap &);
+    void slotFailed();
+
+private:
+    KUrlRequester *m_url;
+    QLineEdit *m_plugins;
+    QLabel *m_preview;
+};
+
+#endif