diff --git a/backend/communications/api/serializers.py b/backend/communications/api/serializers.py
index ab22096c..40400314 100644
--- a/backend/communications/api/serializers.py
+++ b/backend/communications/api/serializers.py
@@ -10,7 +10,7 @@ from ..models import (
 )
 from ..serialization import serialize_message
 
-Employee = get_user_model()
+User = get_user_model()
 
 
 class ChatUserSettingsSerializer(serializers.ModelSerializer):
@@ -112,7 +112,7 @@ class ChatDetailSerializer(serializers.ModelSerializer):
     """Детальный сериализатор чата"""
     participants = serializers.PrimaryKeyRelatedField(
         many=True, 
-        queryset=Employee.objects.all(),
+        queryset=User.objects.all(),
         required=False
     )
     participant_details = serializers.SerializerMethodField()
diff --git a/backend/communications/api/viewsets.py b/backend/communications/api/viewsets.py
index 839c938c..295953db 100644
--- a/backend/communications/api/viewsets.py
+++ b/backend/communications/api/viewsets.py
@@ -44,7 +44,7 @@ from .serializers import (BulkDeleteSerializer, ChatDetailSerializer,
                           ReactionSerializer)
 
 logger = logging.getLogger(__name__)
-Employee = get_user_model()
+User = get_user_model()
 
 
 class ChatViewSet(viewsets.ModelViewSet):
diff --git a/backend/communications/models.py b/backend/communications/models.py
index 8aefc49d..3a993136 100644
--- a/backend/communications/models.py
+++ b/backend/communications/models.py
@@ -8,7 +8,7 @@ from django.db import IntegrityError, models
 from django.db.models import Q
 from django.utils import timezone
 
-Employee = get_user_model()
+User = get_user_model()
 
 
 class ChatReadState(models.Model):
@@ -320,10 +320,10 @@ class Chat(models.Model):
             return self.participants.all()
         
         if self.type == "global":
-            return Employee.objects.filter(is_active=True)
+            return User.objects.filter(is_active=True)
         
         if self.type in ["announcement", "channel"] and self.include_all_users:
-            return Employee.objects.filter(is_active=True)
+            return User.objects.filter(is_active=True)
         
         # Для group/channel/announcement без флага - явные участники
         from communications.models import ChatMembership
@@ -332,7 +332,7 @@ class Chat(models.Model):
             chat=self
         ).values_list("user_id", flat=True)
         
-        return Employee.objects.filter(
+        return User.objects.filter(
             Q(id__in=self.participants.values_list('id', flat=True)) |
             Q(id__in=membership_ids)
         ).distinct()
diff --git a/backend/communications/notifications/handlers.py b/backend/communications/notifications/handlers.py
index a256bab1..e5c1318f 100644
--- a/backend/communications/notifications/handlers.py
+++ b/backend/communications/notifications/handlers.py
@@ -20,7 +20,7 @@ from .config import (
     get_chat_name,
 )
 
-Employee = get_user_model()
+User = get_user_model()
 
 
 def get_users_with_notifications_enabled(chat, users) -> dict[int, bool]:
@@ -92,7 +92,7 @@ def notify_new_message(message):
     if mentioned_users:
         for email in mentioned_users:
             try:
-                user = Employee.objects.get(email=email)
+                user = User.objects.get(email=email)
                 if user in participants_list and user.id != author.id:
                     if notification_settings.get(user.id, True):
                         notify.send(
@@ -111,7 +111,7 @@ def notify_new_message(message):
                             }
                         )
                     notified_user_ids.add(user.id)
-            except Employee.DoesNotExist:
+            except User.DoesNotExist:
                 continue
     
     # 2. ОТВЕТЫ НА СООБЩЕНИЯ
diff --git a/backend/communications/notifications/signals.py b/backend/communications/notifications/signals.py
index 034766a0..25a711b7 100644
--- a/backend/communications/notifications/signals.py
+++ b/backend/communications/notifications/signals.py
@@ -13,7 +13,7 @@ from django.dispatch import receiver
 from ..models import Message, Chat
 from .handlers import notify_new_message, notify_chat_added
 
-Employee = get_user_model()
+User = get_user_model()
 
 
 @receiver(post_save, sender=Message)
@@ -56,7 +56,7 @@ def create_chat_added_notifications(sender, instance, action, pk_set, **kwargs):
     added_by = getattr(chat, 'created_by', None) or chat.participants.first()
     
     # ОПТИМИЗАЦИЯ: Получаем всех новых пользователей одним запросом
-    new_users = Employee.objects.filter(id__in=pk_set)
+    new_users = User.objects.filter(id__in=pk_set)
     
     # Отправляем уведомления через handlers
     notify_chat_added(chat, new_users, added_by=added_by)
diff --git a/backend/communications/utils.py b/backend/communications/utils.py
index f99ac789..488af82b 100644
--- a/backend/communications/utils.py
+++ b/backend/communications/utils.py
@@ -69,7 +69,7 @@ def user_can_access_chat(chat: Chat, user) -> bool:
     
     Args:
         chat: Объект Chat
-        user: Объект User (Employee)
+        user: Объект User
         
     Returns:
         bool: True если пользователь имеет доступ