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

sources/context/RulesLoader.hpp

@@ -0,0 +1,42 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#pragma once
+
+#include <QString>
+
+namespace ProjectExplorer {
+class Project;
+}
+
+namespace QodeAssist::Context {
+
+enum class RulesContext { Completions, Chat, QuickRefactor };
+
+struct RuleFileInfo
+{
+    QString filePath;
+    QString fileName;
+    QString category; // "common", "chat", "completions", "quickrefactor"
+};
+
+class RulesLoader
+{
+public:
+    static QString loadRules(const QString &projectPath, RulesContext context);
+    static QString loadRulesForProject(ProjectExplorer::Project *project, RulesContext context);
+    static ProjectExplorer::Project *getActiveProject();
+    
+    // New methods for getting rule files info
+    static QVector<RuleFileInfo> getRuleFiles(const QString &projectPath, RulesContext context);
+    static QVector<RuleFileInfo> getRuleFilesForProject(ProjectExplorer::Project *project, RulesContext context);
+    static QString loadRuleFileContent(const QString &filePath);
+
+private:
+    static QString loadAllMarkdownFiles(const QString &dirPath);
+    static QVector<RuleFileInfo> collectMarkdownFiles(const QString &dirPath, const QString &category);
+    static QString getProjectPath(ProjectExplorer::Project *project);
+};
+
+} // namespace QodeAssist::Context