- Add table::add_new_sstable() method that wraps error handling - Update streaming/consumer.cc to use new method - Update streaming/stream_blob.cc to use new method - Add test_add_new_sstable_cleanup_on_failure test to verify cleanup Addresses feedback from @tgrabiec to extract common logic into a reusable method. Co-authored-by: tgrabiec <283695+tgrabiec@users.noreply.github.com>