diff --git a/assets/js/views/UserManagement.vue b/assets/js/views/UserManagement.vue
index c67f201..70dd971 100644
--- a/assets/js/views/UserManagement.vue
+++ b/assets/js/views/UserManagement.vue
@@ -229,11 +229,31 @@ const errors = ref({});
 const fetchUsers = async () => {
   loading.value = true;
   try {
-    const response = await fetch('/api/users');
+    const response = await fetch('/api/users', {
+      credentials: 'same-origin',
+      headers: {
+        'Accept': 'application/ld+json'
+      }
+    });
+    
+    if (!response.ok) {
+      const errorText = await response.text();
+      console.error('API Error:', response.status, errorText);
+      throw new Error(`HTTP error! status: ${response.status}`);
+    }
+    
     const data = await response.json();
-    users.value = data['hydra:member'] || data;
+    
+    // API Platform JSON-LD uses 'member' (hydra:member becomes 'member' in JS)
+    users.value = data.member || data['hydra:member'] || [];
   } catch (error) {
-    toast.add({ severity: 'error', summary: 'Fehler', detail: 'Benutzer konnten nicht geladen werden', life: 3000 });
+    console.error('Error fetching users:', error);
+    toast.add({ 
+      severity: 'error', 
+      summary: 'Fehler', 
+      detail: 'Benutzer konnten nicht geladen werden: ' + error.message, 
+      life: 5000 
+    });
   } finally {
     loading.value = false;
   }
@@ -297,7 +317,11 @@ const saveUser = async () => {
     
     const response = await fetch(url, {
       method,
-      headers: { 'Content-Type': 'application/json' },
+      credentials: 'same-origin',
+      headers: { 
+        'Content-Type': 'application/ld+json',
+        'Accept': 'application/ld+json'
+      },
       body: JSON.stringify(payload)
     });
     
@@ -328,7 +352,8 @@ const deleteUser = async () => {
   deleting.value = true;
   try {
     const response = await fetch(`/api/users/${userToDelete.value.id}`, {
-      method: 'DELETE'
+      method: 'DELETE',
+      credentials: 'same-origin'
     });
     
     if (!response.ok) throw new Error('Fehler beim Löschen');
diff --git a/config/packages/api_platform.yaml b/config/packages/api_platform.yaml
index 02f295a..22afa4f 100644
--- a/config/packages/api_platform.yaml
+++ b/config/packages/api_platform.yaml
@@ -1,7 +1,11 @@
 api_platform:
-    title: Hello API Platform
+    title: myCRM API
     version: 1.0.0
     defaults:
-        stateless: true
+        stateless: false
         cache_headers:
             vary: ['Content-Type', 'Authorization', 'Origin']
+    formats:
+        jsonld: ['application/ld+json']
+        json: ['application/json']
+        html: ['text/html']
diff --git a/config/packages/asset_mapper.yaml b/config/packages/asset_mapper.yaml
index f7653e9..a5e7f16 100644
--- a/config/packages/asset_mapper.yaml
+++ b/config/packages/asset_mapper.yaml
@@ -1,5 +1,6 @@
 framework:
     asset_mapper:
+        enabled: false
         # The paths to make available to the asset mapper.
         paths:
             - assets/
@@ -8,4 +9,5 @@ framework:
 when@prod:
     framework:
         asset_mapper:
+            enabled: false
             missing_import_mode: warn
diff --git a/src/Controller/HomeController.php b/src/Controller/HomeController.php
index 2534159..069143c 100644
--- a/src/Controller/HomeController.php
+++ b/src/Controller/HomeController.php
@@ -8,7 +8,7 @@ use Symfony\Component\Routing\Attribute\Route;
 
 class HomeController extends AbstractController
 {
-    #[Route('/{reactRouting}', name: 'app_home', requirements: ['reactRouting' => '(?!login|logout|api).*'], defaults: ['reactRouting' => null], priority: -1)]
+    #[Route('/{reactRouting}', name: 'app_home', requirements: ['reactRouting' => '(?!login|logout|api|bundles).*'], defaults: ['reactRouting' => null], priority: -1)]
     public function index(): Response
     {
         return $this->render('base.html.twig');
diff --git a/src/Entity/User.php b/src/Entity/User.php
index 0c157f4..9f7c9bc 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -21,11 +21,11 @@ use Symfony\Component\Serializer\Annotation\Groups;
 #[ORM\UniqueConstraint(name: 'UNIQ_IDENTIFIER_EMAIL', fields: ['email'])]
 #[ApiResource(
     operations: [
-        new GetCollection(),
-        new Get(),
-        new Post(security: "is_granted('ROLE_ADMIN')"),
-        new Put(security: "is_granted('ROLE_ADMIN') or object == user"),
-        new Delete(security: "is_granted('ROLE_ADMIN')")
+        new GetCollection(stateless: false),
+        new Get(stateless: false),
+        new Post(security: "is_granted('ROLE_ADMIN')", stateless: false),
+        new Put(security: "is_granted('ROLE_ADMIN') or object == user", stateless: false),
+        new Delete(security: "is_granted('ROLE_ADMIN')", stateless: false)
     ],
     normalizationContext: ['groups' => ['user:read']],
     denormalizationContext: ['groups' => ['user:write']]
@@ -204,10 +204,17 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
         return trim($this->firstName . ' ' . $this->lastName);
     }
 
+    #[Groups(['user:read', 'user:write'])]
     public function isActive(): bool
     {
         return $this->isActive;
     }
+    
+    // Alias for Symfony Serializer (which expects get* prefix)
+    public function getIsActive(): bool
+    {
+        return $this->isActive;
+    }
 
     public function setIsActive(bool $isActive): static
     {