sam-manage/app/Models/System/AiTokenUsage.php

<?php

namespace App\Models\System;

use Illuminate\Database\Eloquent\Model;

class AiTokenUsage extends Model
{
    protected $connection = 'codebridge';
    protected $table = 'ai_token_usages';

    protected $fillable = [
        'tenant_id',
        'model',
        'menu_name',
        'prompt_tokens',
        'completion_tokens',
        'total_tokens',
        'cost_usd',
        'cost_krw',
        'request_id',
        'created_by',
    ];

    protected $casts = [
        'prompt_tokens' => 'integer',
        'completion_tokens' => 'integer',
        'total_tokens' => 'integer',
        'cost_usd' => 'decimal:6',
        'cost_krw' => 'decimal:2',
    ];

    public function scopeForTenant($query, int $tenantId)
    {
        return $query->where('tenant_id', $tenantId);
    }
}