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

sources/templates/IPromptProvider.hpp

@@ -0,0 +1,24 @@
+// Copyright (C) 2025 Povilas Kanapickas <povilas@radix.lt>
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#pragma once
+
+#include "templates/PromptTemplate.hpp"
+#include <QString>
+
+namespace QodeAssist::Templates {
+
+class IPromptProvider
+{
+public:
+    virtual ~IPromptProvider() = default;
+
+    virtual PromptTemplate *getTemplateByName(const QString &templateName) const = 0;
+
+    virtual QStringList templatesNames() const = 0;
+
+    virtual QStringList getTemplatesForProvider(Providers::ProviderID id) const = 0;
+};
+
+} // namespace QodeAssist::Templates