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diff --git a/archived/projt-launcher/launcher/RuntimeContext.h b/archived/projt-launcher/launcher/RuntimeContext.h
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+// SPDX-License-Identifier: GPL-3.0-only
+// SPDX-FileCopyrightText: 2026 Project Tick
+// SPDX-FileContributor: Project Tick Team
+/*
+ *  ProjT Launcher - Minecraft Launcher
+ *  Copyright (C) 2026 Project Tick
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, write to the Free Software Foundation,
+ *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * === Upstream License Block (Do Not Modify) ==============================
+ *
+ *
+ *
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, write to the Free Software Foundation,
+ *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ======================================================================== */
+
+#pragma once
+
+#include <QSet>
+#include <QString>
+#include "SysInfo.h"
+#include "settings/SettingsObject.h"
+
+struct RuntimeContext
+{
+	QString javaArchitecture;
+	QString javaRealArchitecture;
+	QString system = SysInfo::currentSystem();
+
+	QString mappedJavaRealArchitecture() const
+	{
+		if (javaRealArchitecture == "amd64")
+			return "x86_64";
+		if (javaRealArchitecture == "i386" || javaRealArchitecture == "i686")
+			return "x86";
+		if (javaRealArchitecture == "aarch64")
+			return "arm64";
+		if (javaRealArchitecture == "arm" || javaRealArchitecture == "armhf")
+			return "arm32";
+		return javaRealArchitecture;
+	}
+
+	void updateFromInstanceSettings(SettingsObjectPtr instanceSettings)
+	{
+		javaArchitecture	 = instanceSettings->get("JavaArchitecture").toString();
+		javaRealArchitecture = instanceSettings->get("JavaRealArchitecture").toString();
+	}
+
+	QString getClassifier() const
+	{
+		return system + "-" + mappedJavaRealArchitecture();
+	}
+
+	// "Legacy" refers to the fact that Mojang assumed that these are the only two architectures
+	bool isLegacyArch() const
+	{
+		const QString mapped = mappedJavaRealArchitecture();
+		return mapped == "x86_64" || mapped == "x86";
+	}
+
+	bool classifierMatches(QString target) const
+	{
+		// try to match precise classifier "[os]-[arch]"
+		bool x = target == getClassifier();
+		// try to match imprecise classifier on legacy architectures "[os]"
+		if (!x && isLegacyArch())
+			x = target == system;
+
+		return x;
+	}
+};