feat: make adapter constructors default to env vars#182

haydenbleasel merged 15 commits intomainvercel/chat:mainfrom

165-make-adapter-configs-accept-explicit-config-but-default-to-env-vars-not-require-themvercel/chat:165-make-adapter-configs-accept-explicit-config-but-default-to-env-vars-not-require-themCopy head branch name to clipboard