test

    ClusterBackend::ClusterBackend(const char *domain, size_t version, const char *filepath)

        : _Domain(domain), _Pos(0), _Dirty(false)

    {

        // Try to fetch existing data from cluster/store

        // Try to fetch existing data from cluster/store (retry a few times on startup)

        for (int attempt = 0; attempt < 3 && _Buffer.empty(); ++attempt) {

            if (attempt > 0)

                std::this_thread::sleep_for(std::chrono::seconds(attempt));

            fetchFromCluster();

        }

        if (_Buffer.empty()) {

            // Initialize with a fresh header

            // Initialize with a fresh header locally.

            // Do NOT push to cluster — we may have failed to fetch existing data

            // and pushing an empty header would overwrite real data on other nodes.

            AuthHeader head;

            head.Version = version;

            head.Revesion = 0;

            _Buffer.resize(sizeof(AuthHeader));

            std::memcpy(_Buffer.data(), &head, sizeof(AuthHeader));

            _Dirty = true;

            // Push initial header to cluster/store

            pushToCluster();

            _Dirty = false;

        }

    }