Update schema with model_selection for chat/research with prompt calls#164

Matt-From-AnswerRocket merged 2 commits intomainanswerrocket/answerrocket-python-client:mainfrom

bugfix/chat-research-with-prompt-missing-overrideanswerrocket/answerrocket-python-client:bugfix/chat-research-with-prompt-missing-overrideCopy head branch name to clipboard