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-kcompletion/source/src/kemailvalidator.cpp

@@ -0,0 +1,39 @@
+/*
+  SPDX-FileCopyrightText: 2010 Casey Link <unnamedrambler@gmail.com>
+  SPDX-FileCopyrightText: 2009-2010 Klaralvdalens Datakonsult AB, a KDAB Group company <info@kdab.net>
+  SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#include "kemailvalidator.h"
+
+#include <KEmailAddress>
+
+KEmailValidator::KEmailValidator(QObject *parent)
+    : QValidator(parent)
+{
+}
+
+KEmailValidator::~KEmailValidator() = default;
+
+QValidator::State KEmailValidator::validate(QString &str, int &pos) const
+{
+    Q_UNUSED(pos)
+
+    if (KEmailAddress::isValidSimpleAddress(str)) {
+        return QValidator::Acceptable;
+    }
+    const auto containsSpace = std::any_of(str.begin(), str.end(), [](QChar c) {
+        return c.isSpace();
+    });
+    if (containsSpace) {
+        return QValidator::Invalid;
+    }
+    return QValidator::Intermediate;
+}
+
+void KEmailValidator::fixup(QString &str) const
+{
+    str = str.trimmed();
+}
+
+#include "moc_kemailvalidator.cpp"