feat: add support acp in common chat (#369)

sources/acp/AgentSpawn.hpp

@@ -0,0 +1,30 @@
+// Copyright (C) 2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#pragma once
+
+#include <QObject>
+#include <QString>
+
+#include "acp/AgentDefinition.hpp"
+
+namespace LLMQore::Acp {
+class AcpClient;
+}
+
+namespace QodeAssist::Acp {
+
+struct AgentProcess
+{
+    LLMQore::Acp::AcpClient *client = nullptr;
+    QString command;
+};
+
+QString agentWorkingDirectory();
+
+AgentProcess spawnAgent(const AgentDefinition &agent, const QString &cwd, QObject *parent);
+
+QString runnerHint(const QString &command);
+
+} // namespace QodeAssist::Acp