feat(models): add API usage to picture descriptions; unify response type#2445

FrigaZzz wants to merge 2 commits intodocling-project:maindocling-project/docling:mainfrom

FrigaZzz:feature/token-usage-picture-description-model-2271FrigaZzz/docling:feature/token-usage-picture-description-model-2271Copy head branch name to clipboard