refactor: Move to agent-session architecture

sources/providers/GenericProvider.hpp

@@ -0,0 +1,50 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <functional>
+
+#include "Provider.hpp"
+
+namespace LLMQore {
+class BaseClient;
+}
+
+namespace QodeAssist::Providers {
+
+// A configuration-driven provider: it owns an LLMQore client and exposes a
+// fixed identity/capability set. Concrete behaviour (request shape) comes from
+// the agent's prompt template via Provider::prepareRequest, so a single class
+// covers every client_api by varying the client factory + metadata.
+class GenericProvider : public Provider
+{
+    Q_OBJECT
+public:
+    using ClientFactory = std::function<::LLMQore::BaseClient *(QObject *)>;
+
+    GenericProvider(
+        QString name,
+        ProviderID id,
+        ProviderCapabilities capabilities,
+        const ClientFactory &clientFactory,
+        QObject *parent = nullptr);
+
+    QString name() const override;
+    QFuture<QList<QString>> getInstalledModels(const QString &url) override;
+    ProviderID providerID() const override;
+    ProviderCapabilities capabilities() const override;
+    ::LLMQore::BaseClient *client() const override;
+
+private:
+    QString m_name;
+    ProviderID m_id;
+    ProviderCapabilities m_capabilities;
+    ::LLMQore::BaseClient *m_client;
+};
+
+// Registers every built-in client_api into ProviderFactory. Must be called once
+// at plugin startup before any agent/session is created.
+void registerBuiltinProviders();
+
+} // namespace QodeAssist::Providers