sam-api/app/Models/Commons/CategoryTemplate.php

<?php

namespace App\Models\Commons;

use App\Traits\Auditable;
use App\Traits\BelongsToTenant;
use App\Traits\ModelTrait;
use Illuminate\Database\Eloquent\Model;

class CategoryTemplate extends Model
{
    use Auditable, BelongsToTenant, ModelTrait;

    protected $table = 'category_templates';

    protected $fillable = [
        'tenant_id', 'category_id', 'version_no', 'template_json', 'applied_at',
        'created_by', 'updated_by', 'deleted_by', 'remarks',
    ];

    protected $casts = [
        'version_no' => 'integer',
        'template_json' => 'array',
        'applied_at' => 'datetime',
    ];

    public function category()
    {
        return $this->belongsTo(Category::class);
    }
}