new chatlistview component, file attachments, performance & primitive test

Plugins/ZShell/Llm/attachment.cpp

@@ -0,0 +1,19 @@
+#include "attachment.hpp"
+
+namespace ZShell::llm {
+
+Attachment::Attachment(
+	const QString& name,
+	const QString& path,
+	Kind kind,
+	const QString& mimeType,
+	qint64 size,
+	QObject* parent)
+	: QObject(parent)
+	, m_name(name)
+	, m_path(path)
+	, m_kind(kind)
+	, m_mimeType(mimeType)
+	, m_size(size) {}
+
+} // namespace ZShell::llm