refactor: Restructure project into sources/tests layout and dissolve PluginLLMCore

sources/plugin/UpdateStatusWidget.hpp

@@ -0,0 +1,39 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#pragma once
+
+#include <QFrame>
+#include <QLabel>
+#include <QLayout>
+#include <QPushButton>
+#include <QToolButton>
+
+QT_BEGIN_NAMESPACE
+class QMenu;
+QT_END_NAMESPACE
+
+namespace QodeAssist {
+
+class UpdateStatusWidget : public QFrame
+{
+    Q_OBJECT
+public:
+    explicit UpdateStatusWidget(QWidget *parent = nullptr);
+
+    void setDefaultAction(QAction *action);
+    void showUpdateAvailable(const QString &version);
+    void hideUpdateInfo();
+    void setChatButtonAction(QAction *action);
+    void setChatButtonMenu(QMenu *menu);
+
+    QPushButton *updateButton() const;
+
+private:
+    QToolButton *m_actionButton;
+    QToolButton *m_chatButton;
+    QLabel *m_versionLabel;
+    QPushButton *m_updateButton;
+};
+} // namespace QodeAssist