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

sources/settings/AgentRole.hpp

@@ -0,0 +1,67 @@
+// 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 <QJsonObject>
+#include <QList>
+#include <QString>
+
+namespace QodeAssist::Settings {
+
+struct AgentRole
+{
+    QString id;
+    QString name;
+    QString description;
+    QString systemPrompt;
+    bool isBuiltin = false;
+
+    QJsonObject toJson() const
+    {
+        return QJsonObject{
+            {"id", id},
+            {"name", name},
+            {"description", description},
+            {"systemPrompt", systemPrompt},
+            {"isBuiltin", isBuiltin}};
+    }
+
+    static AgentRole fromJson(const QJsonObject &json)
+    {
+        return AgentRole{
+            json["id"].toString(),
+            json["name"].toString(),
+            json["description"].toString(),
+            json["systemPrompt"].toString(),
+            json["isBuiltin"].toBool(false)};
+    }
+
+    bool operator==(const AgentRole &other) const { return id == other.id; }
+};
+
+class AgentRolesManager
+{
+public:
+    static QString getConfigurationDirectory();
+    static QList<AgentRole> loadAllRoles();
+    static AgentRole loadRole(const QString &roleId);
+    static AgentRole loadRoleFromFile(const QString &filePath);
+    static bool saveRole(const AgentRole &role);
+    static bool deleteRole(const QString &roleId);
+    static bool roleExists(const QString &roleId);
+    static void ensureDefaultRoles();
+
+    static AgentRole getNoRole()
+    {
+        return AgentRole{"", "No Role", "Use base system prompt without role specialization", "", false};
+    }
+
+private:
+    static AgentRole getDefaultDeveloperRole();
+    static AgentRole getDefaultReviewerRole();
+    static AgentRole getDefaultResearcherRole();
+};
+
+} // namespace QodeAssist::Settings