diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index a176c64..9baa587 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -3,9 +3,8 @@
     "allow": [
       "Bash(php -l:*)",
       "Bash(./vendor/bin/phpunit --testdox)",
-      "Bash(./vendor/bin/php-cs-fixer fix:*)",
       "Bash(./vendor/bin/php-cs-fixer fix:*)"
     ],
     "deny": []
   }
-}
\ No newline at end of file
+}
diff --git a/config/packages/doctrine.yaml b/config/packages/doctrine.yaml
index d42c52d..bb1b71b 100644
--- a/config/packages/doctrine.yaml
+++ b/config/packages/doctrine.yaml
@@ -11,10 +11,11 @@ doctrine:
     orm:
         auto_generate_proxy_classes: true
         enable_lazy_ghost_objects: true
-        report_fields_where_declared: true
         validate_xml_mapping: true
         naming_strategy: doctrine.orm.naming_strategy.underscore_number_aware
         auto_mapping: true
+        controller_resolver:
+            auto_mapping: false
         mappings:
             App:
                 type: attribute
diff --git a/src/Controller/SecurityController.php b/src/Controller/SecurityController.php
index 665c399..8733111 100644
--- a/src/Controller/SecurityController.php
+++ b/src/Controller/SecurityController.php
@@ -27,7 +27,7 @@ class SecurityController extends AbstractController
         // authentication (see App\EventListener\AuthorizationCodeListener).
         $session = $request->getSession();
         $targetPath = $session->get('_security.main.target_path');
-        if (str_contains($targetPath, '/authorize')) {
+        if (null !== $targetPath && str_contains($targetPath, '/authorize')) {
             $session->set('_oauth2', true);
         }
 
diff --git a/src/Form/Model/ParticipantDto.php b/src/Form/Model/ParticipantDto.php
index f99a508..753d149 100644
--- a/src/Form/Model/ParticipantDto.php
+++ b/src/Form/Model/ParticipantDto.php
@@ -40,6 +40,7 @@ class ParticipantDto
     public ?int $personId = null;
     public ?string $status = null;
     public bool $mutable = false;
+    public bool $touched = false;
 
     #[Assert\NotBlank(message: 'Bitte angeben', groups: ['booking_edit', 'booking_create'])]
     public ?string $firstName = null;