Cannot store select options data in another table

  Forms\Components\Select::make('detail.gender')
                                    ->label('Gender')
                                    ->required()
                                    ->options(Gender::array())
                                    ->placeholder('Select Gender'),

 public function detail(): HasOne
    {
        return $this->hasOne(UserDetail::class, 'id');
    }

<?php

namespace App\Models;

use App\Cache\UserDetail\UserDetailById;
use App\Enums\UserDetail\Gender;
use App\Models\Contracts\Cacheable;
use App\Observers\UserDetailObserver;
use Illuminate\Database\Eloquent\Attributes\ObservedBy;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

#[ObservedBy([UserDetailObserver::class])]
class UserDetail extends Model implements Cacheable
{
    use HasFactory;

    protected $fillable = ['birthdate','gender'];

    protected function casts(): array
    {
        return [
            'birthdate' => 'date',
            'gender' => Gender::class,
        ];
    }

    public function clearCache(): void
    {
        (new UserDetailById($this->id))->invalidate();
    }
}