Paillasse/portail/app/Models/Lab.php

<?php

namespace App\Models;

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

/**
 * @property-read array<int, string> $competences
 */
class Lab extends Model
{
    /** @use HasFactory<LabFactory> */
    use HasFactory;

    protected $fillable = ['identifiant', 'titre', 'niveau', 'duree_min', 'competences'];

    protected $casts = [
        'competences' => 'array',
    ];

    /** @return HasMany<Seance, $this> */
    public function seances(): HasMany
    {
        return $this->hasMany(Seance::class);
    }
}