feat: Add agents and agents settings

settings/AgentsSettingsPage.hpp

@@ -0,0 +1,38 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <memory>
+
+#include <QObject>
+#include <QString>
+
+namespace Core { class IOptionsPage; }
+
+namespace QodeAssist {
+class AgentFactory;
+}
+
+namespace QodeAssist::Settings {
+
+class AgentsPageNavigator : public QObject
+{
+    Q_OBJECT
+public:
+    explicit AgentsPageNavigator(QObject *parent = nullptr);
+
+    void requestSelectAgent(const QString &name);
+    QString takePendingSelection();
+
+signals:
+    void selectAgentRequested(const QString &name);
+
+private:
+    QString m_pending;
+};
+
+std::unique_ptr<Core::IOptionsPage> createAgentsSettingsPage(
+    AgentFactory *agentFactory, AgentsPageNavigator *navigator);
+
+} // namespace QodeAssist::Settings