Function pushMessage

core/llm/llms/OpenAI.ts:65–74

(
    role: "user" | "assistant" | "system" | "developer",
    content: string | ResponseInputMessageContentList,
  )

  const input: ResponseInputItem[] = [];

  const pushMessage = (
    role: "user" | "assistant" | "system" | "developer",
    content: string | ResponseInputMessageContentList,
  ) => {
    // o-series / gpt-5 use `developer` instead of `system`
    const normalizedRole: "user" | "assistant" | "system" | "developer" =
      role === "system" ? "developer" : role;

    input.push({ role: normalizedRole, content });
  };

  for (const message of messages) {
    switch (message.role) {