format: fix psr12 style issues

phpcbf auto-fixes: string concatenation spacing, single-line class braces, closing brace placement.

backend/app/Auth/CreateSessionDto.php

@@ -12,5 +12,6 @@ class CreateSessionDto
         public User $user,
         public DateTimeImmutable $createdAt,
         public DateTimeImmutable $expiresAt,
-    ) {}
+    ) {
+    }
 }

backend/app/Auth/Session.php

@@ -12,7 +12,8 @@ class Session
         private User $user,
         private DateTimeImmutable $createdAt,
         private DateTimeImmutable $expiresAt,
-    ) {}
+    ) {
+    }
 
     public function getToken(): string
     {

backend/app/Auth/UseCases/AuthenticateUser/AuthenticateUser.php

@@ -14,7 +14,8 @@ class AuthenticateUser
     public function __construct(
         private UserRepository $userRepo,
         private PasswordHasher $hasher,
-    ) {}
+    ) {
+    }
 
     /**
      * @throws BadRequestException

backend/app/Auth/UseCases/AuthenticateUser/AuthenticateUserRequest.php

@@ -7,5 +7,6 @@ class AuthenticateUserRequest
     public function __construct(
         public ?string $email,
         public ?string $password,
-    ) {}
+    ) {
+    }
 }

backend/app/Auth/UseCases/CreateSession/CreateSession.php

@@ -17,7 +17,8 @@ class CreateSession
         private SessionRepository $sessionRepo,
         private TokenGenerator $tokenGenerator,
         private Clock $clock,
-    ) {}
+    ) {
+    }
 
     public function execute(User $user): Session
     {

backend/app/Auth/UseCases/Logout/Logout.php

@@ -8,7 +8,8 @@ class Logout
 {
     public function __construct(
         private SessionRepository $sessionRepo,
-    ) {}
+    ) {
+    }
 
     public function execute(string $token): void
     {

backend/app/Controllers/AuthController.php

@@ -20,7 +20,8 @@ class AuthController
         private AuthenticateUser $authenticateUser,
         private CreateSession $createSession,
         private Logout $logout,
-    ) {}
+    ) {
+    }
 
     public function login(
         ServerRequestInterface $request,

backend/app/Exceptions/BadRequestException.php

@@ -4,4 +4,6 @@ namespace App\Exceptions;
 
 use DomainException;
 
-class BadRequestException extends DomainException {}
+class BadRequestException extends DomainException
+{
+}

backend/app/Exceptions/UnauthorizedException.php

@@ -4,4 +4,6 @@ namespace App\Exceptions;
 
 use DomainException;
 
-class UnauthorizedException extends DomainException {}
+class UnauthorizedException extends DomainException
+{
+}

backend/app/Middleware/AuthMiddleware.php

@@ -17,7 +17,8 @@ class AuthMiddleware implements MiddlewareInterface
     public function __construct(
         private SessionRepository $sessionRepo,
         private Clock $clock,
-    ) {}
+    ) {
+    }
 
     public function process(
         ServerRequestInterface $request,

backend/app/Shared/ValueObject/EmailAddress.php

@@ -18,15 +18,15 @@ final readonly class EmailAddress
         $trimmed = trim($email);
 
         if ($trimmed === '' || ! str_contains($trimmed, '@')) {
-            throw new InvalidArgumentException(self::ERROR_MESSAGE." $email");
+            throw new InvalidArgumentException(self::ERROR_MESSAGE . " $email");
         }
 
         [$local, $domain] = explode('@', $trimmed, 2);
         $this->domain = mb_strtolower($domain);
-        $normalized = $local.'@'.$this->domain;
+        $normalized = $local . '@' . $this->domain;
 
         if (filter_var($normalized, FILTER_VALIDATE_EMAIL) === false) {
-            throw new InvalidArgumentException(self::ERROR_MESSAGE." $email");
+            throw new InvalidArgumentException(self::ERROR_MESSAGE . " $email");
         }
 
         $this->normalized = $normalized;

backend/app/User/CreateUserDto.php

@@ -9,5 +9,6 @@ class CreateUserDto
     public function __construct(
         public EmailAddress $email,
         public string $passwordHash,
-    ) {}
+    ) {
+    }
 }

backend/app/User/User.php

@@ -10,7 +10,8 @@ class User
         private int $id,
         private EmailAddress $email,
         private string $passwordHash,
-    ) {}
+    ) {
+    }
 
     public function getId(): int
     {