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

sources/tools/TodoTool.hpp

@@ -0,0 +1,52 @@
+// 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 <LLMQore/BaseTool.hpp>
+
+#include <QHash>
+#include <QMutex>
+#include <QString>
+
+namespace QodeAssist::Tools {
+
+struct TodoItem
+{
+    int id;
+    QString task;
+    bool completed;
+};
+
+class TodoTool : public ::LLMQore::BaseTool
+{
+    Q_OBJECT
+
+public:
+    explicit TodoTool(QObject *parent = nullptr);
+
+    QString id() const override;
+    QString displayName() const override;
+    QString description() const override;
+    QJsonObject parametersSchema() const override;
+
+    QFuture<LLMQore::ToolResult> executeAsync(const QJsonObject &input = QJsonObject()) override;
+
+    void setCurrentSessionId(const QString &sessionId);
+    void clearSession(const QString &sessionId);
+
+private:
+    QString addTodos(const QString &sessionId, const QStringList &tasks);
+    QString completeTodos(const QString &sessionId, const QList<int> &todoIds);
+    QString listTodos(const QString &sessionId) const;
+    QString listTodosLocked(const QString &sessionId) const;
+    QString listRemainingTodosLocked(const QString &sessionId) const;
+
+    mutable QMutex m_mutex;
+    QString m_currentSessionId;
+    QHash<QString, QHash<int, TodoItem>> m_sessionTodos;
+    QHash<QString, int> m_sessionNextId;
+};
+
+} // namespace QodeAssist::Tools