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

sources/acp/ChatPermissionProvider.cpp

@@ -0,0 +1,56 @@
+// Copyright (C) 2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#include "ChatPermissionProvider.hpp"
+
+#include <memory>
+#include <utility>
+
+#include <QPromise>
+
+namespace QodeAssist::Acp {
+
+ChatPermissionProvider::ChatPermissionProvider(Session::TurnLedger *ledger, QObject *parent)
+    : LLMQore::Acp::AcpPermissionProvider(parent)
+    , m_ledger(ledger)
+{}
+
+void ChatPermissionProvider::setRequestHandler(RequestHandler handler)
+{
+    m_requestHandler = std::move(handler);
+}
+
+QFuture<LLMQore::Acp::RequestPermissionResult> ChatPermissionProvider::requestPermission(
+    const QString &sessionId,
+    const LLMQore::Acp::ToolCall &toolCall,
+    const QList<LLMQore::Acp::PermissionOption> &options)
+{
+    Q_UNUSED(sessionId)
+
+    auto promise = std::make_shared<QPromise<LLMQore::Acp::RequestPermissionResult>>();
+    promise->start();
+
+    const auto finish = [promise](const LLMQore::Acp::RequestPermissionResult &result) {
+        promise->addResult(result);
+        promise->finish();
+    };
+
+    if (!m_requestHandler) {
+        finish(LLMQore::Acp::RequestPermissionResult::cancelled());
+        return promise->future();
+    }
+
+    const QString requestId = m_ledger->registerPermission(
+        [finish](const QString &optionId) {
+            finish(LLMQore::Acp::RequestPermissionResult::selected(optionId));
+        },
+        [finish] { finish(LLMQore::Acp::RequestPermissionResult::cancelled()); });
+
+    QFuture<LLMQore::Acp::RequestPermissionResult> future = promise->future();
+    m_requestHandler(requestId, toolCall, options);
+
+    return future;
+}
+
+} // namespace QodeAssist::Acp