diff --git a/Classes/Application/ReloadNodes/ReloadNodesQueryHandler.php b/Classes/Application/ReloadNodes/ReloadNodesQueryHandler.php
index c0f9929e02..b53287e2d5 100644
--- a/Classes/Application/ReloadNodes/ReloadNodesQueryHandler.php
+++ b/Classes/Application/ReloadNodes/ReloadNodesQueryHandler.php
@@ -35,7 +35,6 @@
 #[Flow\Scope("singleton")]
 final class ReloadNodesQueryHandler
 {
-
     #[Flow\Inject]
     protected ContentRepositoryRegistry $contentRepositoryRegistry;
 
diff --git a/Classes/Controller/BackendServiceController.php b/Classes/Controller/BackendServiceController.php
index 39d686eb1c..faa6f7217f 100644
--- a/Classes/Controller/BackendServiceController.php
+++ b/Classes/Controller/BackendServiceController.php
@@ -38,6 +38,11 @@
 use Neos\Neos\FrontendRouting\SiteDetection\SiteDetectionResult;
 use Neos\Neos\Service\UserService;
 use Neos\Neos\Ui\Application\ChangeTargetWorkspace;
+use Neos\Neos\Ui\Application\DiscardAllChanges;
+use Neos\Neos\Ui\Application\DiscardChangesInDocument;
+use Neos\Neos\Ui\Application\DiscardChangesInSite;
+use Neos\Neos\Ui\Application\PublishChangesInDocument;
+use Neos\Neos\Ui\Application\PublishChangesInSite;
 use Neos\Neos\Ui\Application\ReloadNodes\ReloadNodesQuery;
 use Neos\Neos\Ui\Application\ReloadNodes\ReloadNodesQueryHandler;
 use Neos\Neos\Ui\Application\SyncWorkspace\ConflictsOccurred;
@@ -201,14 +206,16 @@ public function publishChangesInSiteAction(array $command): void
         try {
             /** @todo send from UI */
             $contentRepositoryId = SiteDetectionResult::fromRequest($this->request->getHttpRequest())->contentRepositoryId;
-            $siteNodeAddress = $this->nodeService->deserializeNodeAddress(
+            $command['contentRepositoryId'] = $contentRepositoryId->value;
+            $command['siteId'] = $this->nodeService->deserializeNodeAddress(
                 $command['siteId'],
                 $contentRepositoryId
-            );
+            )->nodeAggregateId->value;
+            $command = PublishChangesInSite::fromArray($command);
             $publishingResult = $this->workspacePublishingService->publishChangesInSite(
-                $contentRepositoryId,
-                $siteNodeAddress->workspaceName,
-                $siteNodeAddress->nodeAggregateId,
+                $command->contentRepositoryId,
+                $command->workspaceName,
+                $command->siteId,
             );
             $this->view->assign('value', [
                 'success' => [
@@ -238,15 +245,18 @@ public function publishChangesInDocumentAction(array $command): void
         try {
             /** @todo send from UI */
             $contentRepositoryId = SiteDetectionResult::fromRequest($this->request->getHttpRequest())->contentRepositoryId;
-            $documentNodeAddress = $this->nodeService->deserializeNodeAddress(
+            $command['contentRepositoryId'] = $contentRepositoryId->value;
+            $command['documentId'] = $this->nodeService->deserializeNodeAddress(
                 $command['documentId'],
                 $contentRepositoryId
-            );
+            )->nodeAggregateId->value;
+            $command = PublishChangesInDocument::fromArray($command);
+
             try {
                 $publishingResult = $this->workspacePublishingService->publishChangesInDocument(
-                    $contentRepositoryId,
-                    $documentNodeAddress->workspaceName,
-                    $documentNodeAddress->nodeAggregateId,
+                    $command->contentRepositoryId,
+                    $command->workspaceName,
+                    $command->documentId,
                 );
 
                 $this->view->assign('value', [
@@ -290,9 +300,14 @@ public function discardAllChangesAction(array $command): void
         try {
             /** @todo send from UI */
             $contentRepositoryId = SiteDetectionResult::fromRequest($this->request->getHttpRequest())->contentRepositoryId;
-            $workspaceName = WorkspaceName::fromString($command['workspaceName']);
+            $command['contentRepositoryId'] = $contentRepositoryId->value;
+            $command = DiscardAllChanges::fromArray($command);
+
+            $discardingResult = $this->workspacePublishingService->discardAllWorkspaceChanges(
+                $command->contentRepositoryId,
+                $command->workspaceName
+            );
 
-            $discardingResult = $this->workspacePublishingService->discardAllWorkspaceChanges($contentRepositoryId, $workspaceName);
             $this->view->assign('value', [
                 'success' => [
                     'numberOfAffectedChanges' => $discardingResult->numberOfDiscardedChanges
@@ -320,15 +335,17 @@ public function discardChangesInSiteAction(array $command): void
         try {
             /** @todo send from UI */
             $contentRepositoryId = SiteDetectionResult::fromRequest($this->request->getHttpRequest())->contentRepositoryId;
-            $siteNodeAddress = $this->nodeService->deserializeNodeAddress(
+            $command['contentRepositoryId'] = $contentRepositoryId->value;
+            $command['siteId'] = $this->nodeService->deserializeNodeAddress(
                 $command['siteId'],
                 $contentRepositoryId
-            );
+            )->nodeAggregateId->value;
+            $command = DiscardChangesInSite::fromArray($command);
 
             $discardingResult = $this->workspacePublishingService->discardChangesInSite(
-                $contentRepositoryId,
-                $siteNodeAddress->workspaceName,
-                $siteNodeAddress->nodeAggregateId
+                $command->contentRepositoryId,
+                $command->workspaceName,
+                $command->siteId
             );
 
             $this->view->assign('value', [
@@ -358,11 +375,18 @@ public function discardChangesInDocumentAction(array $command): void
         try {
             /** @todo send from UI */
             $contentRepositoryId = SiteDetectionResult::fromRequest($this->request->getHttpRequest())->contentRepositoryId;
-            $documentNodeAddress = $this->nodeService->deserializeNodeAddress(
+            $command['contentRepositoryId'] = $contentRepositoryId->value;
+            $command['documentId'] = $this->nodeService->deserializeNodeAddress(
                 $command['documentId'],
                 $contentRepositoryId
+            )->nodeAggregateId->value;
+            $command = DiscardChangesInDocument::fromArray($command);
+
+            $discardingResult = $this->workspacePublishingService->discardChangesInDocument(
+                $command->contentRepositoryId,
+                $command->workspaceName,
+                $command->documentId
             );
-            $discardingResult = $this->workspacePublishingService->discardChangesInDocument($contentRepositoryId, $documentNodeAddress->workspaceName, $documentNodeAddress->nodeAggregateId);
 
             $this->view->assign('value', [
                 'success' => [
diff --git a/Classes/Infrastructure/Configuration/ConfigurationProvider.php b/Classes/Infrastructure/Configuration/ConfigurationProvider.php
index fe9ca959ae..f18d4e05f3 100644
--- a/Classes/Infrastructure/Configuration/ConfigurationProvider.php
+++ b/Classes/Infrastructure/Configuration/ConfigurationProvider.php
@@ -88,6 +88,9 @@ public function getConfiguration(
         ];
     }
 
+    /**
+     * @return array<string,array{name:string,title:string,readonly:bool}>
+     */
     private function getAllowedTargetWorkspaces(ContentRepository $contentRepository): array
     {
         $backendUser = $this->userService->getBackendUser();