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diff --git a/archived/projt-launcher/launcher/launch/LaunchPipeline.hpp b/archived/projt-launcher/launcher/launch/LaunchPipeline.hpp
new file mode 100644
index 0000000000..53e9ec3bfe
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+++ b/archived/projt-launcher/launcher/launch/LaunchPipeline.hpp
@@ -0,0 +1,120 @@
+// 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.
+ */
+
+#pragma once
+
+#include <QObjectPtr.h>
+#include <minecraft/MinecraftInstance.h>
+#include <QList>
+#include <QMap>
+#include <QProcessEnvironment>
+
+#include "LaunchLineRouter.hpp"
+#include "LaunchLogModel.hpp"
+#include "LaunchStage.hpp"
+#include "LaunchVariableExpander.hpp"
+#include "MessageLevel.h"
+
+class BaseInstance;
+
+namespace projt::launch
+{
+	class LaunchPipeline : public Task
+	{
+		Q_OBJECT
+	  public:
+		using Ptr	   = shared_qobject_ptr<LaunchPipeline>;
+		using StagePtr = shared_qobject_ptr<LaunchStage>;
+
+		enum class State
+		{
+			Idle,
+			Running,
+			Waiting,
+			Failed,
+			Aborted,
+			Finished
+		};
+
+		static Ptr create(MinecraftInstancePtr instance);
+		explicit LaunchPipeline(MinecraftInstancePtr instance);
+		~LaunchPipeline() override = default;
+
+		void appendStage(StagePtr stage);
+		void prependStage(StagePtr stage);
+		void setCensorFilter(QMap<QString, QString> filter);
+
+		MinecraftInstancePtr instance() const
+		{
+			return m_instanceRef;
+		}
+
+		void setPid(qint64 pid)
+		{
+			m_processId = pid;
+		}
+
+		qint64 pid() const
+		{
+			return m_processId;
+		}
+
+		void executeTask() override;
+		void proceed();
+		bool abort() override;
+		bool canAbort() const override;
+
+		shared_qobject_ptr<LaunchLogModel> logModel();
+
+		QString substituteVariables(const QString& cmd, bool isLaunch = false) const;
+		QString censorPrivateInfo(QString input) const;
+
+	  signals:
+		void readyForLaunch();
+		void requestProgress(Task* task);
+
+	  public slots:
+		void onLogLines(const QStringList& lines, MessageLevel::Enum defaultLevel = MessageLevel::Launcher);
+		void onLogLine(QString line, MessageLevel::Enum defaultLevel = MessageLevel::Launcher);
+		void onReadyForLaunch();
+		void onStageFinished();
+		void onProgressReportingRequested();
+
+	  protected:
+		void emitFailed(QString reason) override;
+		void emitSucceeded() override;
+
+	  private:
+		void advanceStage();
+		void closeStages(bool successful, const QString& error);
+
+		MinecraftInstancePtr m_instanceRef;
+		shared_qobject_ptr<LaunchLogModel> m_logStore;
+		QList<StagePtr> m_stageQueue;
+		QList<StagePtr> m_stageHistory;
+		StagePtr m_activeStage;
+		QMap<QString, QString> m_redactions;
+		State m_state	   = State::Idle;
+		qint64 m_processId = -1;
+		LaunchLineRouter m_lineRouter;
+		LaunchVariableExpander m_expander;
+	};
+} // namespace projt::launch