Function latestAssistantMessage

packages/opencode/src/acp/usage.ts:101–105

(messages: readonly SessionMessage[])

}

export function latestAssistantMessage(messages: readonly SessionMessage[]): AssistantMessage | undefined {
  return messages
    .filter((message): message is { readonly info: AssistantMessage } => message.info.role === "assistant")
    .at(-1)?.info
}

export function totalSessionCost(messages: readonly SessionMessage[]): number {
  return messages