Issues Integrating Effect with Tanstack Start App and HTTP 499 Errors

// server.ts

export const RpcWebHandler = RpcServer.toHttpApp(CasesRpcs).pipe(
    Effect.map(HttpApp.toWebHandler),
    Effect.provide([CasesLive.pipe(Layer.provide(LoggerLayer)), RpcSerialization.layerNdjson])
).pipe(Effect.scoped);

// api.rpc.tsx
async function handler({request}: {request: Request}) {
    const _handler = await Effect.runPromise(RpcWebHandler);
    return await _handler(request);
}


export const Route = createFileRoute('/api/rpc')({
  server: {
    handlers: {
        GET: handler,
        POST: handler,
    },
  }
})