import { CommandId, MessageId, ProjectId, ThreadId } from "@t3tools/contracts";import { type CxOptions, cx } from "class-variance-authority";import { twMerge } from "tailwind-merge"; export function cn(...inputs: CxOptions) {  return twMerge(cx(inputs));} export function isMacPlatform(platform: string): boolean {  return /mac|iphone|ipad|ipod/i.test(platform);} export function isWindowsPlatform(platform: string): boolean {  return /^win(dows)?/i.test(platform);} export const newCommandId = (): CommandId => CommandId.makeUnsafe(crypto.randomUUID()); export const newProjectId = (): ProjectId => ProjectId.makeUnsafe(crypto.randomUUID()); export const newThreadId = (): ThreadId => ThreadId.makeUnsafe(crypto.randomUUID()); export const newMessageId = (): MessageId => MessageId.makeUnsafe(crypto.randomUUID());