actuel-inactuel/site/models/year.php

<?php
class YearPage extends Page{
    public function allTexts(){
        $princeps = $this->children()->listed()->first();
        
        $texts = $this->children()->listed()->without($princeps);
        $linked = $this->linkedTexts()->toPages();
        $allTexts = $texts->merge($linked);

        return $allTexts->sort('published', 'desc')->prepend($princeps);
    }
}