feat: Add session layout

sources/Session/ResponseRouter.hpp

@@ -0,0 +1,64 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <LLMQore/BaseClient.hpp>
+
+#include <QObject>
+#include <QPointer>
+#include <QString>
+
+#include "ResponseEvent.hpp"
+
+namespace QodeAssist {
+
+class ConversationHistory;
+
+class ResponseRouter : public QObject
+{
+    Q_OBJECT
+    Q_DISABLE_COPY_MOVE(ResponseRouter)
+public:
+    ResponseRouter(
+        LLMQore::BaseClient *client,
+        ConversationHistory *history,
+        QObject *parent = nullptr);
+    ~ResponseRouter() override;
+
+    void beginRequest(const LLMQore::RequestID &id);
+    void endRequest();
+
+    bool isActive() const noexcept { return !m_activeId.isEmpty(); }
+    LLMQore::RequestID activeRequestId() const noexcept { return m_activeId; }
+
+signals:
+    void event(const QodeAssist::ResponseEvent &ev);
+
+private slots:
+    void onChunk(const LLMQore::RequestID &id, const QString &chunk);
+    void onThinking(
+        const LLMQore::RequestID &id, const QString &thinking, const QString &signature);
+    void onToolStarted(
+        const LLMQore::RequestID &id, const QString &toolId, const QString &toolName);
+    void onToolResultReady(
+        const LLMQore::RequestID &id,
+        const QString &toolId,
+        const QString &toolName,
+        const QString &result);
+    void onFinalized(const LLMQore::RequestID &id, const LLMQore::CompletionInfo &info);
+    void onFailed(const LLMQore::RequestID &id, const QString &err);
+
+private:
+    void ensureAssistantOpen();
+    void resetTurnState();
+
+    QPointer<LLMQore::BaseClient> m_client;
+    QPointer<ConversationHistory> m_history;
+
+    LLMQore::RequestID m_activeId;
+    bool m_assistantOpen = false;
+    bool m_inToolResults = false;
+};
+
+} // namespace QodeAssist