service-captcha/app/Models/CaptchaToken.php

<?php declare(strict_types=1);

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;

final class CaptchaToken extends Model
{
    use HasFactory, SoftDeletes;

    protected $table = 'captcha_tokens';

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'title',
    ];

    /**
     * The attributes that should be hidden for serialization.
     *
     * @var array<int, string>
     */
    protected $hidden = [
        'public_token',
        'private_token',
    ];

    public function captchas(): HasMany
    {
        return $this->hasMany(Captcha::class);
    }
}