sam-manage/app/Models/UserRole.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\SoftDeletes;

class UserRole extends Model
{
    use SoftDeletes;

    protected $table = 'user_roles';

    protected $fillable = [
        'user_id',
        'tenant_id',
        'role_id',
        'assigned_at',
    ];

    protected $casts = [
        'user_id' => 'integer',
        'tenant_id' => 'integer',
        'role_id' => 'integer',
        'assigned_at' => 'datetime',
    ];

    /**
     * 사용자
     */
    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    /**
     * 역할
     */
    public function role(): BelongsTo
    {
        return $this->belongsTo(Role::class);
    }
}