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

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

src/Domain/Setting/Application/Response/ContentSourceListResponse.php

@@ -10,5 +10,6 @@ readonly class ContentSourceListResponse
     public function __construct(
         public array $contentSources,
         public int $total,
-    ) {}
+    ) {
+    }
 }

src/Domain/Setting/Application/Response/ContentSourceResponse.php

@@ -15,7 +15,8 @@ readonly class ContentSourceResponse
         public ?string $nextPageSelector,
         public ?string $chapterSelector,
         public string $cleanBaseUrl,
-    ) {}
+    ) {
+    }
 
     public static function fromDomain(ContentSource $contentSource): self
     {

src/Domain/Setting/Application/Response/ExportContentSourceResponse.php

@@ -7,5 +7,6 @@ readonly class ExportContentSourceResponse
     public function __construct(
         public array $contentSources,
         public string $exportDate,
-    ) {}
+    ) {
+    }
 }