@resend/chat-sdk-adapter

import { createResendAdapter } from "@resend/chat-sdk-adapter";import { MemoryStateAdapter } from "@chat-adapter/state-memory";import { Chat } from "chat";const resend = createResendAdapter({  fromAddress: "bot@yourdomain.com",  fromName: "My Bot",         // optional  // apiKey: "re_...",        // or set RESEND_API_KEY env var  // webhookSecret: "whsec_..." // or set RESEND_WEBHOOK_SECRET env var});const chat = new Chat({  userName: "email-bot",  adapters: { resend },  state: new MemoryStateAdapter(),});// New inbound email (new thread)chat.onNewMention(async (thread, message) => {  await thread.subscribe();  await thread.post(`Got your email: ${message.text}`);});// Follow-up email in a subscribed threadchat.onSubscribedMessage(async (thread, message) => {  await thread.post(`Reply: ${message.text}`);});

interface ResendAdapterConfig {  /** Sender email address (required). */  fromAddress: string;  /** Display name for the From header. */  fromName?: string;  /** Resend API key. Falls back to RESEND_API_KEY env var. */  apiKey?: string;  /** Webhook signing secret. Falls back to RESEND_WEBHOOK_SECRET env var. */  webhookSecret?: string;}

const threadId = await chat.adapters.resend.openDM("user@example.com");const thread = await chat.thread("resend", threadId);await thread.post("Hello from the bot!");

await thread.post({  card: {    type: "card",    title: "Order Confirmed",    children: [      { type: "text", content: "Your order #1234 has been shipped." },      { type: "divider" },      { type: "link-button", label: "Track Order", url: "https://example.com/track/1234" },    ],  },  fallbackText: "Order #1234 confirmed",});