fix(huggingface): Capture streamed tool calls#1848

Luca Forstner (lforst) wants to merge 4 commits intomainbraintrustdata/braintrust-sdk-javascript:mainfrom

lforst/hf-stream-tool-callsbraintrustdata/braintrust-sdk-javascript:lforst/hf-stream-tool-callsCopy head branch name to clipboard