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

sources/acp/AgentRegistryParser.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 <QByteArray>
+#include <QJsonValue>
+#include <QList>
+#include <QString>
+#include <QStringList>
+
+#include "acp/AgentDefinition.hpp"
+
+namespace QodeAssist::Acp {
+
+struct AgentParseResult
+{
+    QList<AgentDefinition> agents;
+    QStringList warnings;
+};
+
+namespace AgentRegistryParser {
+
+AgentParseResult parse(const QJsonValue &root, AgentSource source, const QString &origin);
+AgentParseResult parse(const QByteArray &json, AgentSource source, const QString &origin);
+
+} // namespace AgentRegistryParser
+
+} // namespace QodeAssist::Acp