Converts intellibrix's normalized Message array into AI SDK's ModelMessage[] shape. system messages become AI SDK system messages; tool messages become AI SDK tool messages carrying tool-result parts.
ModelMessage[]
system
tool
Converts intellibrix's normalized Message array into AI SDK's
ModelMessage[]shape.systemmessages become AI SDKsystemmessages;toolmessages become AI SDKtoolmessages carrying tool-result parts.