export function campaignMailProfileReferenceOnly(value: Record<string, unknown>): Record<string, unknown> {
  const server = isRecord(value.server) ? value.server : {};
  const rawProfileId = server.mail_profile_id;
  const profileId = typeof rawProfileId === "string" ? rawProfileId.trim() : "";
  return {
    ...value,
    server: profileId ? { mail_profile_id: profileId } : {}
  };
}

function isRecord(value: unknown): value is Record<string, unknown> {
  return Boolean(value) && typeof value === "object" && !Array.isArray(value);
}