feat(Production): Complete production deployment infrastructure

- Add comprehensive health check system with multiple endpoints
- Add Prometheus metrics endpoint
- Add production logging configurations (5 strategies)
- Add complete deployment documentation suite:
  * QUICKSTART.md - 30-minute deployment guide
  * DEPLOYMENT_CHECKLIST.md - Printable verification checklist
  * DEPLOYMENT_WORKFLOW.md - Complete deployment lifecycle
  * PRODUCTION_DEPLOYMENT.md - Comprehensive technical reference
  * production-logging.md - Logging configuration guide
  * ANSIBLE_DEPLOYMENT.md - Infrastructure as Code automation
  * README.md - Navigation hub
  * DEPLOYMENT_SUMMARY.md - Executive summary
- Add deployment scripts and automation
- Add DEPLOYMENT_PLAN.md - Concrete plan for immediate deployment
- Update README with production-ready features

All production infrastructure is now complete and ready for deployment.

src/Application/Admin/ShowImageUpload.php

@@ -9,7 +9,6 @@ use App\Domain\Media\Image;
 use App\Domain\Media\ImageRepository;
 use App\Domain\Media\ImageResizer;
 use App\Domain\Media\ImageVariantRepository;
-use App\Domain\Media\SaveImageFile;
 use App\Framework\Attributes\Route;
 use App\Framework\Auth\Auth;
 use App\Framework\Core\PathProvider;
@@ -17,9 +16,8 @@ use App\Framework\Http\Method;
 use App\Framework\Http\Request;
 use App\Framework\Http\Session\FormIdGenerator;
 use App\Framework\Http\UploadedFile;
-use App\Framework\Router\Result\ViewResult;
-use App\Framework\Router\Result\JsonResult;
 use App\Framework\Meta\MetaData;
+use App\Framework\Router\Result\ViewResult;
 use App\Framework\Ulid\StringConverter;
 use App\Framework\Ulid\Ulid;
 use App\Framework\View\FormBuilder;
@@ -50,7 +48,7 @@ final readonly class ShowImageUpload
         $data = [
             'title' => 'Bild-Upload',
             'description' => 'Laden Sie neue Bilder in das System hoch.',
-            'formHtml' => RawHtml::from($formHtml)
+            'formHtml' => RawHtml::from($formHtml),
         ];
 
         $finalData = $this->layoutProcessor->processLayoutFromArray($data);
@@ -71,7 +69,7 @@ final readonly class ShowImageUpload
             /** @var UploadedFile $file */
             $file = $request->files->get('image');
 
-            if (!$file || $file->error !== UPLOAD_ERR_OK) {
+            if (! $file || $file->error !== UPLOAD_ERR_OK) {
                 return $this->renderUploadError('Keine gültige Datei hochgeladen.');
             }
 
@@ -145,7 +143,7 @@ final readonly class ShowImageUpload
             'title' => 'Upload Fehler',
             'description' => $message,
             'error' => true,
-            'formHtml' => $this->buildUploadForm()
+            'formHtml' => $this->buildUploadForm(),
         ];
 
         $finalData = $this->layoutProcessor->processLayoutFromArray($data);
@@ -163,7 +161,7 @@ final readonly class ShowImageUpload
             'title' => $title,
             'description' => $message,
             'success' => true,
-            'formHtml' => $this->buildUploadForm()
+            'formHtml' => $this->buildUploadForm(),
         ];
 
         $finalData = $this->layoutProcessor->processLayoutFromArray($data);
@@ -183,6 +181,7 @@ final readonly class ShowImageUpload
             ->addSubmitButton('Upload');
 
         $formHtml = str_replace('<form', '<form enctype="multipart/form-data"', (string) $form);
+
         return RawHtml::from($formHtml);
     }
 }