diff --git a/src/Controller/WebAuthnController.php b/src/Controller/WebAuthnController.php
index 39b7d6a..ecbfa3f 100644
--- a/src/Controller/WebAuthnController.php
+++ b/src/Controller/WebAuthnController.php
@@ -13,6 +13,7 @@ namespace App\Controller;
 use App\Entity\User;
 use App\Security\PasskeyToken;
 use App\Service\WebAuthnService;
+use Exception;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
@@ -25,6 +26,7 @@ use Webauthn\PublicKeyCredentialCreationOptions;
 use Webauthn\PublicKeyCredentialParameters;
 use Webauthn\PublicKeyCredentialRpEntity;
 use Webauthn\PublicKeyCredentialUserEntity;
+use function random_bytes;
 
 /**
  * Class WebAuthnController
@@ -78,7 +80,7 @@ class WebAuthnController extends AbstractController
             $creationOptions = PublicKeyCredentialCreationOptions::create(
                 $rpEntity,
                 $userEntity,
-                \random_bytes(32),
+                random_bytes(32),
                 $credentialParameters,
                 $authenticatorSelectionCriteria,
                 PublicKeyCredentialCreationOptions::ATTESTATION_CONVEYANCE_PREFERENCE_DIRECT
@@ -113,7 +115,7 @@ class WebAuthnController extends AbstractController
             ];
 
             return new JsonResponse($response);
-        } catch (\Exception $e) {
+        } catch (Exception $e) {
             return new JsonResponse(
                 ['error' => $e->getMessage()],
                 Response::HTTP_BAD_REQUEST
@@ -155,7 +157,7 @@ class WebAuthnController extends AbstractController
             $request->getSession()->remove('webauthn_credential_name');
 
             return new JsonResponse(['success' => true]);
-        } catch (\Exception $e) {
+        } catch (Exception $e) {
             return new JsonResponse(
                 ['error' => 'Registration failed: ' . $e->getMessage()],
                 Response::HTTP_BAD_REQUEST
@@ -219,7 +221,7 @@ class WebAuthnController extends AbstractController
             }
 
             return new JsonResponse(['error' => 'Credential not found'], Response::HTTP_NOT_FOUND);
-        } catch (\Exception $e) {
+        } catch (Exception $e) {
             return new JsonResponse(
                 ['error' => $e->getMessage()],
                 Response::HTTP_BAD_REQUEST
@@ -232,7 +234,7 @@ class WebAuthnController extends AbstractController
     {
         try {
             /** Generate challenge */
-            $challenge = \random_bytes(32);
+            $challenge = random_bytes(32);
 
             /** Store in session for verification later */
             $request->getSession()->set('webauthn_request_challenge', $challenge);
@@ -250,7 +252,7 @@ class WebAuthnController extends AbstractController
             ];
 
             return new JsonResponse($response);
-        } catch (\Exception $e) {
+        } catch (Exception $e) {
             return new JsonResponse(
                 ['error' => $e->getMessage()],
                 Response::HTTP_BAD_REQUEST
@@ -304,7 +306,7 @@ class WebAuthnController extends AbstractController
                 'redirect' => '/',
                 'message'  => 'Successfully authenticated with passkey',
             ]);
-        } catch (\Exception $e) {
+        } catch (Exception $e) {
             return new JsonResponse(
                 ['error' => $e->getMessage()],
                 Response::HTTP_BAD_REQUEST
diff --git a/src/Dto/ProfileChartDataFactory.php b/src/Dto/ProfileChartDataFactory.php
index 5d9e788..7019d62 100644
--- a/src/Dto/ProfileChartDataFactory.php
+++ b/src/Dto/ProfileChartDataFactory.php
@@ -24,7 +24,7 @@ use DateTime;
  * @link     www.splendidbear.org
  * @since    2026. 04. 20.
  */
-readonly class ProfileChartDataFactory
+readonly final class ProfileChartDataFactory
 {
     public function __construct(private PlayedGameRepository $repo) { }
 
diff --git a/src/Entity/ContactMessage.php b/src/Entity/ContactMessage.php
index d754e86..e655b9d 100644
--- a/src/Entity/ContactMessage.php
+++ b/src/Entity/ContactMessage.php
@@ -29,8 +29,7 @@ use Doctrine\ORM\Mapping\Table;
  * @link     www.splendidbear.org
  * @since    2026. 04. 15.
  */
-#[Entity(repositoryClass: ContactMessageRepository::class)]
-#[Table(name: 'contact_messages')]
+#[Entity(repositoryClass: ContactMessageRepository::class), Table(name: 'contact_messages')]
 class ContactMessage
 {
     #[Id, GeneratedValue, Column]
diff --git a/src/Entity/User.php b/src/Entity/User.php
index df37ef7..8e1a6ac 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -36,8 +36,7 @@ use Symfony\Component\Security\Core\User\UserInterface;
  * @link     www.splendidbear.org
  * @since    2026. 04. 09.
  */
-#[Table(name: 'app_user')]
-#[Entity(repositoryClass: UserRepository::class)]
+#[Entity(repositoryClass: UserRepository::class), Table(name: 'app_user')]
 #[UniqueEntity(fields: ['username'], message: 'This username is already taken.')]
 #[UniqueEntity(fields: ['email'], message: 'This email address is already registered.')]
 class User implements UserInterface, PasswordAuthenticatedUserInterface, TotpTwoFactorInterface, BackupCodeInterface
diff --git a/src/Entity/UserStats.php b/src/Entity/UserStats.php
index 6be2cfa..8b3fc24 100644
--- a/src/Entity/UserStats.php
+++ b/src/Entity/UserStats.php
@@ -30,7 +30,7 @@ use Doctrine\ORM\Mapping\Table;
  * @link     www.splendidbear.org
  * @since    2026. 04. 20.
  */
-#[Entity(repositoryClass: UserStatsRepository::class, readOnly: true), Table]
+#[Entity(repositoryClass: UserStatsRepository::class, readOnly: true)]
 class UserStats
 {
     #[Id, Column(name: 'user_id')]
diff --git a/src/Entity/WebAuthnCredential.php b/src/Entity/WebAuthnCredential.php
index 1ced2f1..d208a87 100644
--- a/src/Entity/WebAuthnCredential.php
+++ b/src/Entity/WebAuthnCredential.php
@@ -33,8 +33,7 @@ use RuntimeException;
  * @link     www.splendidbear.org
  * @since    2026. 04. 12.
  */
-#[Table(name: 'app_webauthn_credential')]
-#[Entity(repositoryClass: WebAuthnCredentialRepository::class)]
+#[Entity(repositoryClass: WebAuthnCredentialRepository::class), Table(name: 'app_webauthn_credential')]
 class WebAuthnCredential
 {
     #[Id, GeneratedValue, Column]