test

    // Synchronous push to cluster — blocks until stored

    if (g_Cluster && g_Cluster->isRunning()) {

        g_Cluster->pushSession(*newSession);

        // Verify session is retrievable from cluster before returning.

        // This ensures other nodes can serve the session immediately.

        uuid::uuid newSid;

        newSession->getSid(newSid);

        auto deadline = std::chrono::steady_clock::now() + std::chrono::seconds(5);

        bool verified = false;

        while (std::chrono::steady_clock::now() < deadline) {

            uuid::uuid v_sid, v_uid, v_did;

            std::vector<uuid::uuid> v_members;

            std::string v_username;

            std::vector<std::pair<uuid::uuid, bool>> v_gpo;

            if (g_Cluster->fetchSessionBySid(newSid, v_sid, v_uid, v_did,

                                              v_members, v_username, v_gpo)) {

                verified = true;

                break;

            }

            std::this_thread::sleep_for(std::chrono::milliseconds(100));

        }

        if (!verified) {

            std::cerr << "[SESSION] addSession: WARNING — session pushed but not verifiable from cluster" << std::endl;

        }

    }

    {