[DO NOT MERGE] Cau/experiment async threadsafe fixes#143

PeterStaar-IBM wants to merge 2 commits intocau/experiment-asyncdocling-project/docling-parse:cau/experiment-asyncfrom

cau/experiment-async-threadsafe-fixesdocling-project/docling-parse:cau/experiment-async-threadsafe-fixesCopy head branch name to clipboard