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

sources/settings/ProviderNameMigration.hpp

@@ -0,0 +1,30 @@
+// 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 <QHash>
+#include <QString>
+
+namespace QodeAssist::Settings {
+
+// Maps legacy provider names (used before multi-API providers were introduced
+// with parenthetical suffixes) to their current canonical names. Returns the
+// input unchanged if it is not a known legacy name.
+inline QString migrateProviderName(const QString &oldName)
+{
+    static const QHash<QString, QString> renames{
+        {QStringLiteral("Ollama"), QStringLiteral("Ollama (Native)")},
+        {QStringLiteral("Ollama Compatible"), QStringLiteral("Ollama (OpenAI-compatible)")},
+        {QStringLiteral("OpenAI"), QStringLiteral("OpenAI (Chat Completions)")},
+        {QStringLiteral("OpenAI Responses"), QStringLiteral("OpenAI (Responses API)")},
+        {QStringLiteral("LM Studio"), QStringLiteral("LM Studio (Chat Completions)")},
+        {QStringLiteral("LM Studio Responses"), QStringLiteral("LM Studio (Responses API)")},
+    };
+
+    const auto it = renames.constFind(oldName);
+    return it != renames.constEnd() ? it.value() : oldName;
+}
+
+} // namespace QodeAssist::Settings