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-kcodecs/source/src/kcodecs_p.h

@@ -0,0 +1,39 @@
+/*
+    SPDX-FileCopyrightText: 2014 Daniel Vrátil <dvratil@redhat.com>
+
+    SPDX-License-Identifier: LGPL-2.0-only
+*/
+
+#ifndef KCODECS_P_H
+#define KCODECS_P_H
+
+#include "kcodecs.h"
+
+namespace KCodecs
+{
+class EncoderPrivate
+{
+public:
+    explicit EncoderPrivate(Codec::NewlineType newline);
+
+    /**
+      An output buffer to simplify some codecs.
+      Used with write() and flushOutputBuffer().
+    */
+    char outputBuffer[Encoder::maxBufferedChars];
+
+    uchar outputBufferCursor;
+    const Codec::NewlineType newline;
+};
+
+class DecoderPrivate
+{
+public:
+    explicit DecoderPrivate(Codec::NewlineType newline);
+
+    const Codec::NewlineType newline;
+};
+
+}
+
+#endif // KCODECS_P_H