Fix phpstan errors

modules/opd_daily_emails/src/AddRandomCtaToDailyEmail.php

@@ -22,7 +22,10 @@ readonly final class AddRandomCtaToDailyEmail {
       return;
     }
 
-    if (str_contains(haystack: $email->get('body')->value, needle: 'P.S.')) {
+    $body = $email->get('body')->value;
+    assert(is_string($body));
+
+    if (str_contains(haystack: $body, needle: 'P.S.')) {
       return;
     }
 

modules/opd_presentations/src/Repository/PresentationNodeRepository.php

@@ -23,7 +23,9 @@ final class PresentationNodeRepository implements PresentationRepositoryInterfac
     $query->condition('status', NodeInterface::PUBLISHED);
 
     $nodeIds = $query->execute();
+    assert(is_array($nodeIds));
 
+    /** @var Presentation[] */
     return $this->nodeStorage->loadMultiple($nodeIds);
   }
 

modules/opd_presentations/src/Repository/PresentationRepositoryInterface.php

@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace Drupal\opd_presentations\Repository;
 
+use Drupal\opd_presentations\Presentation;
+
 interface PresentationRepositoryInterface {
 
   /**