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

sources/context/ProgrammingLanguage.hpp

@@ -0,0 +1,28 @@
+// 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 <QString>
+
+namespace QodeAssist::Context {
+
+enum class ProgrammingLanguage {
+    QML, // QML/JavaScript
+    Cpp, // C/C++
+    Python,
+    Unknown,
+};
+
+namespace ProgrammingLanguageUtils {
+
+ProgrammingLanguage fromMimeType(const QString &mimeType);
+
+QString toString(ProgrammingLanguage language);
+
+ProgrammingLanguage fromString(const QString &str);
+
+} // namespace ProgrammingLanguageUtils
+
+} // namespace QodeAssist::Context