add set filtering function#1318

ibolmo wants to merge 3 commits intomainbraintrustdata/braintrust-sdk-javascript:mainfrom

ibolmo/bra-3632-prune-langchain-traces-including-zero-duration-spansbraintrustdata/braintrust-sdk-javascript:ibolmo/bra-3632-prune-langchain-traces-including-zero-duration-spansCopy head branch name to clipboard