Trouble with `Layer.provide` and OpenAPI Middleware in HttpApiBuilder

{
  _id: 'Exit',
  _tag: 'Failure',
  cause: {
    _id: 'Cause',
    _tag: 'Parallel',
    left: { _id: 'Cause', _tag: 'Parallel', left: [Object], right: [Object] },
    right: {
      _id: 'Cause',
      _tag: 'Sequential',
      left: [Object],
      right: [Object]
    }
  }
}