Migrate backend to Porto architecture and fix minor bugs

- Fully transitioned the backend to the Porto architectural pattern
- Improved code organization and maintainability
- Fixed minor bugs and inconsistencies

app/Containers/Search/Services/BreadcrumbFinderService.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Containers\Search\Services;
+
+use DiDom\Document;
+
+class BreadcrumbFinderService
+{
+    const FILES_DIR = 'sveden';
+
+    public function isSameCategory($html)
+    {
+        return $this->getBreadcrumb($html);
+    }
+
+    private function getBreadcrumb(string $html): ?string
+    {
+        $document = new Document($html);
+        $breadcrumbs = $document->first('ol.breadcrumb')?->find('li') ?? [];
+
+        foreach ($breadcrumbs as $index => $breadcrumb) {
+            if ($index === 2) { // Индексация с 0 → третий элемент = 2
+                return $breadcrumb->text();
+            }
+        }
+
+        return null;
+    }
+
+
+}