export function buildCodexTaskExecution(config, task, outputFile) {
  const targetThreadRef =
    String(task?.targetCodexThreadRef || task?.targetThreadId || "").trim();
  const targetFolderRef =
    String(task?.targetCodexFolderRef || config.masterAgentWorkdir || process.cwd()).trim() ||
    process.cwd();
  const prompt = String(task?.executionPrompt || "");

  if (
    targetThreadRef &&
    (task?.taskType === "conversation_reply" || task?.taskType === "dispatch_execution")
  ) {
    const args = [
      "exec",
      "resume",
      "--skip-git-repo-check",
      "-o",
      outputFile,
    ];
    if (config.masterAgentModel) {
      args.push("-m", config.masterAgentModel);
    }
    args.push(targetThreadRef, prompt);
    return {
      mode: "resume",
      cwd: targetFolderRef,
      args,
    };
  }

  const args = [
    "exec",
    "--ephemeral",
    "--skip-git-repo-check",
    "-C",
    config.masterAgentWorkdir || process.cwd(),
    "-s",
    config.masterAgentSandbox || "workspace-write",
    "-o",
    outputFile,
  ];
  if (config.masterAgentModel) {
    args.push("-m", config.masterAgentModel);
  }
  args.push(prompt);
  return {
    mode: "ephemeral",
    cwd: config.masterAgentWorkdir || process.cwd(),
    args,
  };
}