Function getCurrentTurnStartIndex

shared/thread-inbox.ts:5–12

(messages: Message[])

type AssistantMessage = ProseMessage & { role: 'assistant' }

function getCurrentTurnStartIndex(messages: Message[]) {
  for (let index = messages.length - 1; index >= 0; index -= 1) {
    if (messages[index]?.role === 'user') {
      return index + 1
    }
  }
  return 0
}

function findLatestAssistantMessageInTurn(messages: Message[], turnStartIndex: number) {
  for (let index = messages.length - 1; index >= turnStartIndex; index -= 1) {