import { applyWSSHandler } from '@trpc/server/adapters/ws';import type { ServerWebSocket } from 'bun';...const app = new Hono();const { websocket } = createBunWebSocket<ServerWebSocket>();...app.use( '/trpc/*', trpcServer({ router: appRouter, createContext: (_opts, c) => createTRPCContext(c.req.raw.headers), }));applyWSSHandler({ wss: websocket, router: appRouter, createContext: (_opts) => createTRPCContext(_opts.req.headers), keepAlive: { enabled: true, pingMs: 30000, pongWaitMs: 5000, },});...export default { fetch: app.fetch, websocket,};