feat: add support code completion via acp

sources/mcp/CompletionMcpServer.hpp

@@ -0,0 +1,43 @@
+// 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 <QPointer>
+#include <QString>
+
+namespace LLMQore {
+class BaseTool;
+namespace Mcp {
+class McpServer;
+class McpHttpServerTransport;
+} // namespace Mcp
+} // namespace LLMQore
+
+namespace QodeAssist::Mcp {
+
+class CompletionMcpServer : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit CompletionMcpServer(QObject *parent = nullptr);
+    ~CompletionMcpServer() override;
+
+    QString start(::LLMQore::BaseTool *proposeTool);
+    void stop();
+
+    static QString serverName();
+    QString endpointUrl() const;
+    quint16 runningPort() const { return m_runningPort; }
+
+private:
+    QPointer<::LLMQore::Mcp::McpServer> m_server;
+    QPointer<::LLMQore::Mcp::McpHttpServerTransport> m_transport;
+    QString m_pathToken;
+    quint16 m_runningPort = 0;
+};
+
+} // namespace QodeAssist::Mcp