import { makeCloudflareApp } from "./app";import type { CloudflareEnv } from "./config"; // The MCP session Durable Object class, bound as `MCP_SESSION` in wrangler.jsonc.// Must be exported at the Worker entry module scope for the runtime to find it.export { McpSessionDO } from "./mcp"; // ---------------------------------------------------------------------------// The Worker fetch entry. Most requests go to `ExecutorApp.make`'s Effect web// handler. `/mcp` stays at this edge boundary because `McpAgent.serve()` needs// the Cloudflare `ExecutionContext` to pass authenticated session props into the// hibernatable Durable Object bridge.// --------------------------------------------------------------------------- let handlerPromise: Promise<{  readonly app: (request: Request) => Promise<Response>;  readonly mcp: (request: Request, env: CloudflareEnv, ctx: ExecutionContext) => Promise<Response>;}> | null = null; const resolveHandler = (env: CloudflareEnv) => {  if (!handlerPromise) {    handlerPromise = makeCloudflareApp(env).then(({ toWebHandler, mcpAgentHandler }) => ({      app: toWebHandler().handler,      mcp: mcpAgentHandler,    }));  }  return handlerPromise;}; export default {  fetch: async (request: Request, env: CloudflareEnv, ctx: ExecutionContext): Promise<Response> => {    const serve = await resolveHandler(env);    if (new URL(request.url).pathname === "/mcp") {      return serve.mcp(request, env, ctx);    }    return serve.app(request);  },};