refactor(agents): redesign how the agent classes work for call vs invokeLLM#164

drewdrewthis wants to merge 8 commits intomainlangwatch/scenario:mainfrom

issue163/refactor-scenario-adapters-so-that-we-are-exposing-only-the-method-that-callsinterfaces-with-the-inference-endpointslangwatch/scenario:issue163/refactor-scenario-adapters-so-that-we-are-exposing-only-the-method-that-callsinterfaces-with-the-inference-endpointsCopy head branch name to clipboard