style: apply php-cs-fixer formatting (PSR-12)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/Domain/Conversion/Application/Command/ConvertFileCommand.php

@@ -8,5 +8,6 @@ final readonly class ConvertFileCommand
         public string $filePath,
         public string $originalFilename,
         public int $fileSize
-    ) {}
+    ) {
+    }
 }

src/Domain/Conversion/Application/CommandHandler/ConvertFileCommandHandler.php

@@ -14,7 +14,8 @@ final readonly class ConvertFileCommandHandler
 
     public function __construct(
         private ConversionServiceInterface $conversionService
-    ) {}
+    ) {
+    }
 
     public function handle(ConvertFileCommand $command): ConversionResponse
     {

src/Domain/Conversion/Application/Response/ConversionResponse.php

@@ -11,7 +11,8 @@ final readonly class ConversionResponse
         public string $outputFilename,
         public int $originalFileSize,
         public int $convertedFileSize
-    ) {}
+    ) {
+    }
 
     public static function fromConversionResult(ConversionResult $result): self
     {