sam-manage/app/Models/DocumentTemplateSection.php

<?php

namespace App\Models;

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

class DocumentTemplateSection extends Model
{
    use HasFactory;

    protected $fillable = [
        'template_id',
        'title',
        'description',
        'image_path',
        'sort_order',
    ];

    protected $casts = [
        'sort_order' => 'integer',
    ];

    public function template(): BelongsTo
    {
        return $this->belongsTo(DocumentTemplate::class, 'template_id');
    }

    public function items(): HasMany
    {
        return $this->hasMany(DocumentTemplateSectionItem::class, 'section_id')
            ->orderBy('sort_order');
    }
}