Handling Errors in HttpApiMiddleware with Effect TypeScript

import { HttpApiMiddleware, HttpApiSecurity } from "@effect/platform"
import { Context, Data, Effect, Layer, Redacted } from "effect"

export class AuthenticationError extends Data.TaggedError<"AuthenticationError">(
    "AuthenticationError",
)<{
    message: string
}> {}

export class CurrentUser extends Context.Tag("CurrentUser")<
    CurrentUser,
    {
        name: string
    }
>() {}

export class Authentication extends HttpApiMiddleware.Tag<Authentication>()(
    "Authentication",
    {
        provides: CurrentUser,
        security: {
            bearer: HttpApiSecurity.bearer,
        },
    },
) {}

export const AuthenticationLive = Layer.succeed(
    Authentication,
    Authentication.of({
        bearer: (token) =>
            Effect.gen(function* () {
                if (token === "")
                    /* what to do here */

                return {
                    name: Redacted.value(token),
                }
            }),
    }),
)