feat: Add agents and agents settings

sources/agents/AgentFactory.hpp

@@ -0,0 +1,67 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <vector>
+
+#include <QHash>
+#include <QObject>
+#include <QPointer>
+#include <QString>
+#include <QStringList>
+
+#include "AgentConfig.hpp"
+
+namespace QodeAssist {
+
+class Agent;
+
+namespace Providers {
+class ProviderInstanceFactory;
+class ProviderSecretsStore;
+}
+
+class AgentFactory : public QObject
+{
+    Q_OBJECT
+    Q_DISABLE_COPY_MOVE(AgentFactory)
+public:
+    explicit AgentFactory(
+        Providers::ProviderInstanceFactory *instanceFactory = nullptr,
+        Providers::ProviderSecretsStore *secrets = nullptr,
+        QObject *parent = nullptr);
+    ~AgentFactory() override;
+
+    void reload();
+
+    [[nodiscard]] static QString userAgentsDir();
+
+    [[nodiscard]] const AgentConfig *configByName(const QString &name) const;
+    [[nodiscard]] QStringList configNames() const;
+    [[nodiscard]] const std::vector<AgentConfig> &configs() const noexcept { return m_configs; }
+
+    Agent *create(const QString &name, QObject *parent, QString *errorOut = nullptr) const;
+
+    Agent *createFromFile(
+        const QString &tomlPath, QObject *parent, QString *errorOut = nullptr) const;
+
+    [[nodiscard]] QStringList lastLoadErrors() const { return m_errors; }
+    [[nodiscard]] QStringList lastLoadWarnings() const { return m_warnings; }
+
+    void registerConfig(AgentConfig config);
+    void clear();
+
+    [[nodiscard]] Providers::ProviderInstanceFactory *instanceFactory() const noexcept;
+    [[nodiscard]] Providers::ProviderSecretsStore *secretsStore() const noexcept;
+
+private:
+    std::vector<AgentConfig> m_configs;
+    QHash<QString, qsizetype> m_indexByName;
+    QStringList m_errors;
+    QStringList m_warnings;
+    QPointer<Providers::ProviderInstanceFactory> m_instanceFactory;
+    QPointer<Providers::ProviderSecretsStore> m_secrets;
+};
+
+} // namespace QodeAssist