test

--- src/backend.cpp

+++ src/backend.cpp

@@ -2578,6 +2578,9 @@

 std::optional<AlbumRecord> ClusterMediaBackend::create_album(const std::string& store_id, const std::string& name) {

+    if (!initial_sync_ok_.load()) {

+        throw std::runtime_error("Cluster node isolated or syncing. Try again later.");

+    }

     std::unique_lock<std::shared_mutex> cguard(cluster_op_mutex_);

     auto a = local_.create_album(store_id, name);

     if (a) replicate_store(store_id);