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

sources/session/PermissionRequest.hpp

@@ -0,0 +1,87 @@
+// 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 <QDebug>
+#include <QJsonObject>
+#include <QList>
+#include <QString>
+
+#include <optional>
+
+namespace QodeAssist::Session {
+
+namespace PermissionOptionKind {
+inline constexpr QLatin1StringView AllowOnce{"allow_once"};
+inline constexpr QLatin1StringView AllowAlways{"allow_always"};
+inline constexpr QLatin1StringView RejectOnce{"reject_once"};
+inline constexpr QLatin1StringView RejectAlways{"reject_always"};
+} // namespace PermissionOptionKind
+
+struct PermissionOption
+{
+    QString id;
+    QString name;
+    QString kind;
+
+    bool allows() const
+    {
+        return kind == PermissionOptionKind::AllowOnce || kind == PermissionOptionKind::AllowAlways;
+    }
+
+    bool scopesToConversation() const
+    {
+        return kind == PermissionOptionKind::AllowAlways
+               || kind == PermissionOptionKind::RejectAlways;
+    }
+
+    bool operator==(const PermissionOption &other) const = default;
+
+    friend QDebug operator<<(QDebug debug, const PermissionOption &option)
+    {
+        return debug.nospace() << "Option(" << option.id << ", " << option.name << ", "
+                               << option.kind << ")";
+    }
+};
+
+enum class PermissionStatus { Pending, Answered, Cancelled };
+
+QString permissionStatusToString(PermissionStatus status);
+PermissionStatus permissionStatusFromString(const QString &status);
+
+struct PermissionBlock
+{
+    QString requestId;
+    QString toolCallId;
+    QString title;
+    QString toolKind;
+    QList<PermissionOption> options;
+    PermissionStatus status = PermissionStatus::Pending;
+    QString selectedOptionId;
+    bool automatic = false;
+
+    std::optional<PermissionOption> option(const QString &optionId) const;
+
+    bool operator==(const PermissionBlock &other) const = default;
+
+    friend QDebug operator<<(QDebug debug, const PermissionBlock &block)
+    {
+        return debug.nospace() << "Permission(" << block.requestId << ", " << block.title
+                               << ", kind=" << block.toolKind << ", options=" << block.options
+                               << ", status=" << permissionStatusToString(block.status)
+                               << ", selected=" << block.selectedOptionId
+                               << ", automatic=" << block.automatic << ")";
+    }
+};
+
+QJsonObject permissionBlockToJson(const PermissionBlock &block);
+PermissionBlock permissionBlockFromJson(const QJsonObject &json);
+
+PermissionBlock restoredPermissionBlock(PermissionBlock block);
+
+QString encodePermissionBlock(const PermissionBlock &block);
+std::optional<PermissionBlock> decodePermissionBlock(const QString &text);
+
+} // namespace QodeAssist::Session