refactor: Move Message type enum to separate header

ChatView/ChatData.hpp

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QObject>
+#include <QtQmlIntegration>
+
+namespace QodeAssist::Chat {
+Q_NAMESPACE
+QML_NAMED_ELEMENT(MessagePartType)
+
+enum class MessagePartType { Code, Text };
+Q_ENUM_NS(MessagePartType)
+
+} // namespace QodeAssist::Chat