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/src/utils/pipe.h

@@ -0,0 +1,36 @@
+/*
+    SPDX-FileCopyrightText: 2024 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+
+#pragma once
+
+#include "utils/filedescriptor.h"
+
+#include <optional>
+#include <unistd.h>
+
+namespace KWin
+{
+
+struct Pipe
+{
+    FileDescriptor fds[2];
+
+    static std::optional<Pipe> create(int flags)
+    {
+        int fds[2];
+        if (pipe2(fds, flags) != 0) {
+            return std::nullopt;
+        }
+        return Pipe{
+            .fds = {
+                FileDescriptor(fds[0]),
+                FileDescriptor(fds[1]),
+            },
+        };
+    }
+};
+
+} // namespace KWin