feat: Add agents and agents settings

sources/providers/ProviderFactory.cpp

@@ -0,0 +1,43 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ProviderFactory.hpp"
+
+#include <QHash>
+
+namespace QodeAssist::Providers::ProviderFactory {
+
+namespace {
+
+QHash<QString, FactoryFn> &table()
+{
+    static QHash<QString, FactoryFn> t;
+    return t;
+}
+
+} // namespace
+
+void registerType(const QString &name, FactoryFn fn)
+{
+    if (name.isEmpty() || !fn) return;
+    table().insert(name, std::move(fn));
+}
+
+Provider *create(const QString &name, QObject *parent)
+{
+    auto it = table().constFind(name);
+    if (it == table().constEnd()) return nullptr;
+    return it.value()(parent);
+}
+
+QStringList knownNames()
+{
+    return table().keys();
+}
+
+void clear()
+{
+    table().clear();
+}
+
+} // namespace QodeAssist::Providers::ProviderFactory