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

tests/unittest_main.cpp

@@ -0,0 +1,23 @@
+// Copyright (C) 2025 Povilas Kanapickas
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#include <gtest/gtest.h>
+#include <QGuiApplication>
+#include <QtGlobal>
+
+void silenceQtWarningNoise(QtMsgType type, const QMessageLogContext &context, const QString &msg)
+{
+    if (msg.startsWith("SOFT ASSERT") || msg.startsWith("Accessing MimeDatabase")) {
+        return;
+    }
+    qt_message_output(type, context, msg);
+}
+
+int main(int argc, char *argv[])
+{
+    qInstallMessageHandler(silenceQtWarningNoise);
+    QGuiApplication application(argc, argv);
+    testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}