cookie
uses tcmts.atproto.lib.server.requestNow, which uses tcmts.atproto.lib.server.callNow, which uses #tcm/host (call)
A cookie the request came with.
import { requestNow } from "#codebase/tcmts/atproto/lib/server"; export function cookie(name: string): string | undefined { return requestNow("cookie()").request.cookies[name]; }