transformers

e94695e5 - Propagate the model loading from transformers serve to chat (#44758)

Propagate the model loading from transformers serve to chat (#44758) * Propagate the model loading from transformers serve to chat * Docs and tests * Apply suggestions from code review Co-authored-by: Marc Sun <57196510+SunMarc@users.noreply.github.com> * logigng update * Adjust docs re Marc's comment * Remove model name if too long for current console size * Refactor dual model loading w/ locks --------- Co-authored-by: Marc Sun <57196510+SunMarc@users.noreply.github.com>