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

sources/acp/AgentCatalogStore.hpp

@@ -0,0 +1,57 @@
+// 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 <QStringList>
+#include <QUrl>
+
+#include "acp/AgentCatalog.hpp"
+
+QT_BEGIN_NAMESPACE
+class QNetworkAccessManager;
+class QNetworkReply;
+QT_END_NAMESPACE
+
+namespace QodeAssist::Acp {
+
+class AgentCatalogStore : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit AgentCatalogStore(QObject *parent = nullptr);
+
+    static QString userAgentsDirectory();
+    static QString registryCachePath();
+    static QUrl registryUrl();
+    static QString bundledSnapshotPath();
+
+    const AgentCatalog &catalog() const { return m_catalog; }
+    QStringList warnings() const { return m_warnings; }
+
+    bool hasCachedRegistry() const;
+    bool isRefreshing() const { return m_reply != nullptr; }
+
+    void reload();
+    void refreshFromRegistry();
+
+signals:
+    void catalogChanged();
+    void refreshFinished(bool ok, const QString &error);
+
+private:
+    void loadBundledSnapshot();
+    void loadRegistryCache();
+    void loadUserFiles();
+
+    QNetworkAccessManager *m_network = nullptr;
+    QNetworkReply *m_reply = nullptr;
+    AgentCatalog m_catalog;
+    QStringList m_warnings;
+};
+
+} // namespace QodeAssist::Acp