diff --git a/backend/routes/modApp.js b/backend/routes/modApp.js
index b702928..ec452ad 100644
--- a/backend/routes/modApp.js
+++ b/backend/routes/modApp.js
@@ -279,29 +279,21 @@ router.put('/posts/:id', authenticateModerationFlexible, requireModerationAccess
     return res.status(404).json({ error: 'Пост не найден' });
   }
 
-  // Проверить, может ли админ редактировать этот пост
-  // Админ может редактировать:
-  // 1. Любой пост, если он владелец (req.isOwner)
-  // 2. Только свои посты из канала (где adminNumber совпадает)
-  if (!req.isOwner) {
-    // Получить админа текущего пользователя
-    const admin = await ModerationAdmin.findOne({ telegramId: req.user.telegramId });
-    
-    // Если это пост из канала, проверить, что админ - автор
-    if (post.publishedToChannel && post.adminNumber) {
-      if (!admin || admin.adminNumber !== post.adminNumber) {
-        return res.status(403).json({ error: 'Вы можете редактировать только свои посты из канала' });
-      }
-    }
-    // Если это обычный пост, владелец может редактировать любой, остальные админы - нет
-    // (это поведение можно изменить по необходимости)
-  }
+  // Модераторы и админы могут редактировать любой пост через панель модерации
+  // Доступ к панели модерации уже проверен через requireModerationAccess
 
   if (content !== undefined) {
     post.content = content;
-    post.hashtags = Array.isArray(hashtags)
-      ? hashtags.map((tag) => tag.toLowerCase())
-      : post.hashtags;
+    // Обновить хэштеги из контента, если hashtags не переданы явно
+    if (hashtags !== undefined) {
+      post.hashtags = Array.isArray(hashtags)
+        ? hashtags.map((tag) => tag.toLowerCase())
+        : post.hashtags;
+    } else {
+      // Извлечь хэштеги из контента
+      const { extractHashtags } = require('../utils/hashtags');
+      post.hashtags = extractHashtags(content);
+    }
   }
 
   if (tags !== undefined) {
diff --git a/backend/routes/moderationAuth.js b/backend/routes/moderationAuth.js
index 59cc4cc..6bd837a 100644
--- a/backend/routes/moderationAuth.js
+++ b/backend/routes/moderationAuth.js
@@ -61,9 +61,9 @@ router.post('/send-code', codeLimiter, async (req, res) => {
       const userByEmail = await User.findOne({ email: emailLower });
       if (userByEmail) {
         console.log(`[ModerationAuth] Пользователь найден, но роль не moderator/admin:`, userByEmail.role);
-        return res.status(403).json({ 
-          error: 'Регистрация недоступна. Обратитесь к администратору для получения доступа.' 
-        });
+      return res.status(403).json({ 
+        error: 'Регистрация недоступна. Обратитесь к администратору для получения доступа.' 
+      });
       }
       
       // Если пользователя нет вообще - разрешить отправку кода
diff --git a/backend/routes/posts.js b/backend/routes/posts.js
index ad08605..1b7b2fc 100644
--- a/backend/routes/posts.js
+++ b/backend/routes/posts.js
@@ -366,35 +366,46 @@ router.put('/:id', authenticate, async (req, res) => {
       return res.status(403).json({ error: 'Нет прав на редактирование' });
     }
     
-    // Валидация контента
-    if (content !== undefined && !validatePostContent(content)) {
-      logSecurityEvent('INVALID_POST_CONTENT', req);
-      return res.status(400).json({ error: 'Недопустимый контент поста' });
+    // Валидация контента (разрешаем пустой контент, если есть изображения)
+    if (content !== undefined) {
+      // Если контент не пустой, валидируем его
+      if (content && content.trim().length > 0) {
+        if (!validatePostContent(content)) {
+          logSecurityEvent('INVALID_POST_CONTENT', req);
+          return res.status(400).json({ error: 'Недопустимый контент поста' });
+        }
+        post.content = content.trim();
+        // Обновить хэштеги
+        post.hashtags = extractHashtags(content);
+      } else {
+        // Пустой контент разрешен, если есть изображения
+        if (!post.images || post.images.length === 0) {
+          return res.status(400).json({ error: 'Пост должен содержать текст или изображение' });
+        }
+        post.content = '';
+        post.hashtags = [];
+      }
     }
     
     // Валидация тегов
-    if (tags) {
+    if (tags !== undefined) {
       let parsedTags = [];
-      try {
-        parsedTags = JSON.parse(tags);
-      } catch (e) {
-        return res.status(400).json({ error: 'Неверный формат тегов' });
-      }
-      
-      if (!validateTags(parsedTags)) {
-        logSecurityEvent('INVALID_TAGS', req, { tags: parsedTags });
-        return res.status(400).json({ error: 'Недопустимые теги' });
+      if (tags) {
+        try {
+          parsedTags = typeof tags === 'string' ? JSON.parse(tags) : tags;
+        } catch (e) {
+          return res.status(400).json({ error: 'Неверный формат тегов' });
+        }
+        
+        if (!validateTags(parsedTags)) {
+          logSecurityEvent('INVALID_TAGS', req, { tags: parsedTags });
+          return res.status(400).json({ error: 'Недопустимые теги' });
+        }
       }
       
       post.tags = parsedTags;
     }
     
-    if (content !== undefined) {
-      post.content = content;
-      // Обновить хэштеги
-      post.hashtags = extractHashtags(content);
-    }
-    
     if (isNSFW !== undefined) {
       post.isNSFW = isNSFW === 'true' || isNSFW === true;
     }
@@ -406,6 +417,10 @@ router.put('/:id', authenticate, async (req, res) => {
     res.json({ post });
   } catch (error) {
     console.error('Ошибка редактирования поста:', error);
+    // Более детальная обработка ошибок
+    if (error.name === 'CastError') {
+      return res.status(400).json({ error: 'Неверный ID поста' });
+    }
     res.status(500).json({ error: 'Ошибка сервера' });
   }
 });
diff --git a/backend/utils/email.js b/backend/utils/email.js
index f819c10..601a2e1 100644
--- a/backend/utils/email.js
+++ b/backend/utils/email.js
@@ -202,31 +202,31 @@ const sendEmail = async (to, subject, html, text) => {
         }
       } else {
         // Обычный AWS SES
-        const params = {
-          Source: fromEmail,
-          Destination: {
-            ToAddresses: [to]
+      const params = {
+        Source: fromEmail,
+        Destination: {
+          ToAddresses: [to]
+        },
+        Message: {
+          Subject: {
+            Data: subject,
+            Charset: 'UTF-8'
           },
-          Message: {
-            Subject: {
-              Data: subject,
+          Body: {
+            Html: {
+              Data: html,
               Charset: 'UTF-8'
             },
-            Body: {
-              Html: {
-                Data: html,
-                Charset: 'UTF-8'
-              },
-              Text: {
-                Data: text || html.replace(/<[^>]*>/g, ''),
-                Charset: 'UTF-8'
-              }
+            Text: {
+              Data: text || html.replace(/<[^>]*>/g, ''),
+              Charset: 'UTF-8'
             }
           }
-        };
+        }
+      };
 
-        const result = await sesClient.sendEmail(params).promise();
-        return { success: true, messageId: result.MessageId };
+      const result = await sesClient.sendEmail(params).promise();
+      return { success: true, messageId: result.MessageId };
       }
     } else if (transporter) {
       // Отправка через SMTP (Yandex, Gmail и т.д.)
diff --git a/frontend/src/pages/Feed.jsx b/frontend/src/pages/Feed.jsx
index 60b2ca9..1bc4e96 100644
--- a/frontend/src/pages/Feed.jsx
+++ b/frontend/src/pages/Feed.jsx
@@ -90,7 +90,7 @@ export default function Feed({ user }) {
           element.scrollIntoView({ behavior: 'smooth', block: 'center' })
         } else {
           console.warn('[Feed] Элемент поста не найден после загрузки:', postId)
-        }
+      }
       }, 300)
     } catch (error) {
       console.error('[Feed] Ошибка загрузки поста:', error)
diff --git a/moderation/backend-py/main.py b/moderation/backend-py/main.py
index 838aa5a..c33f8ac 100644
--- a/moderation/backend-py/main.py
+++ b/moderation/backend-py/main.py
@@ -80,8 +80,22 @@ app.include_router(mod_app_router, prefix="/api/mod-app", tags=["moderation"])
 app.include_router(moderation_auth_router, prefix="/api/moderation-auth", tags=["auth"])
 
 # Mount Socket.IO app for WebSocket
-socketio_app = get_socketio_app()
-app.mount("/socket.io", socketio_app)
+# Socket.IO ASGI app needs to wrap FastAPI app to handle both HTTP and WebSocket
+try:
+    socketio_app = get_socketio_app()
+    # Socket.IO will handle /socket.io and /mod-chat paths
+    # We need to mount it so it can intercept WebSocket connections
+    # But FastAPI routes should still work
+    # The Socket.IO ASGI app will handle its own paths and pass others to FastAPI
+    app.mount("/socket.io", socketio_app)
+    app.mount("/mod-chat", socketio_app)  # Also mount at /mod-chat for namespace
+    print("✅ WebSocket (Socket.IO) настроен")
+    print("   📡 Namespace /mod-chat доступен для чата модераторов")
+except Exception as e:
+    print(f"⚠️  Ошибка настройки WebSocket: {e}")
+    import traceback
+    traceback.print_exc()
+    print("   Чат модераторов будет недоступен")
 
 
 if __name__ == "__main__":
diff --git a/moderation/backend-py/models.py b/moderation/backend-py/models.py
index 7c30fc5..728ba4e 100644
--- a/moderation/backend-py/models.py
+++ b/moderation/backend-py/models.py
@@ -131,6 +131,7 @@ class AdminResponse(AdminBase):
 # Request models
 class UpdatePostRequest(BaseModel):
     content: Optional[str] = None
+    hashtags: Optional[List[str]] = None
     tags: Optional[List[str]] = None
     isNSFW: Optional[bool] = None
     isHomo: Optional[bool] = None
diff --git a/moderation/backend-py/routes/mod_app.py b/moderation/backend-py/routes/mod_app.py
index d3a4192..ba13fed 100644
--- a/moderation/backend-py/routes/mod_app.py
+++ b/moderation/backend-py/routes/mod_app.py
@@ -318,12 +318,25 @@ async def update_post(
                 detail="Пост не найден"
             )
         
+        # Модераторы и админы могут редактировать любой пост через панель модерации
+        # Доступ к панели модерации уже проверен через require_moderator
+        
         update_data = {}
         
         if request.content is not None:
             update_data['content'] = request.content
+            # Обновить хэштеги из контента, если hashtags не переданы явно
+            if request.hashtags is not None:
+                update_data['hashtags'] = [tag.replace('#', '').lower() if tag.startswith('#') else tag.lower() for tag in request.hashtags]
+            else:
+                # Извлечь хэштеги из контента (поддержка кириллицы)
+                import re
+                hashtags = re.findall(r'#([\wа-яА-ЯёЁ]+)', request.content)
+                update_data['hashtags'] = [tag.lower() for tag in hashtags]
+        
         if request.tags is not None:
             update_data['tags'] = [t.lower() for t in request.tags]
+        
         if request.isNSFW is not None:
             update_data['isNSFW'] = request.isNSFW
         if request.isHomo is not None:
@@ -338,12 +351,42 @@ async def update_post(
                 {'$set': update_data}
             )
         
-        return {"success": True}
+        # Get updated post with author
+        updated_post = await posts_collection().find_one({'_id': ObjectId(post_id)})
+        author = None
+        if updated_post.get('author'):
+            author_doc = await users_collection().find_one({'_id': updated_post['author']})
+            if author_doc:
+                author = {
+                    'id': str(author_doc['_id']),
+                    'username': author_doc.get('username'),
+                    'firstName': author_doc.get('firstName'),
+                    'lastName': author_doc.get('lastName')
+                }
+        
+        return {
+            "post": {
+                "id": str(updated_post['_id']),
+                "author": author,
+                "content": updated_post.get('content'),
+                "hashtags": updated_post.get('hashtags', []),
+                "tags": updated_post.get('tags', []),
+                "images": updated_post.get('images', []) or ([updated_post.get('imageUrl')] if updated_post.get('imageUrl') else []),
+                "isNSFW": updated_post.get('isNSFW', False),
+                "isArt": updated_post.get('isArt', False),
+                "publishedToChannel": updated_post.get('publishedToChannel', False),
+                "adminNumber": updated_post.get('adminNumber'),
+                "editedAt": updated_post.get('editedAt').isoformat() if updated_post.get('editedAt') else None,
+                "createdAt": updated_post.get('createdAt', datetime.utcnow()).isoformat()
+            }
+        }
         
     except HTTPException:
         raise
     except Exception as e:
         print(f"[ModApp] Ошибка обновления поста: {e}")
+        import traceback
+        traceback.print_exc()
         raise HTTPException(
             status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
             detail="Ошибка сервера"
diff --git a/moderation/backend-py/routes/moderation_auth.py b/moderation/backend-py/routes/moderation_auth.py
index 0f74048..688b3f6 100644
--- a/moderation/backend-py/routes/moderation_auth.py
+++ b/moderation/backend-py/routes/moderation_auth.py
@@ -22,6 +22,7 @@ from utils.auth import (
     get_current_user, normalize_username, is_moderation_admin
 )
 from utils.email_service import send_verification_code
+from utils.telegram_widget import validate_telegram_widget
 from config import settings
 
 router = APIRouter()
@@ -318,6 +319,34 @@ async def telegram_widget_auth(request: TelegramWidgetAuth, response: Response):
     print(f"[ModerationAuth] 🔍 Запрос авторизации через Telegram виджет: id={request.id}, username={request.username}")
     
     try:
+        # Validate Telegram widget data if hash is provided
+        if request.hash and request.auth_date:
+            auth_data = {
+                'id': request.id,
+                'first_name': request.first_name,
+                'last_name': request.last_name,
+                'username': request.username,
+                'photo_url': request.photo_url,
+                'auth_date': request.auth_date,
+                'hash': request.hash
+            }
+            
+            try:
+                is_valid = validate_telegram_widget(auth_data, settings.MODERATION_BOT_TOKEN)
+                if not is_valid:
+                    print(f"[ModerationAuth] ❌ Неверная подпись Telegram виджета")
+                    raise HTTPException(
+                        status_code=status.HTTP_401_UNAUTHORIZED,
+                        detail="Неверная подпись авторизации"
+                    )
+                print(f"[ModerationAuth] ✅ Подпись Telegram виджета валидна")
+            except ValueError as e:
+                print(f"[ModerationAuth] ❌ Ошибка валидации виджета: {e}")
+                raise HTTPException(
+                    status_code=status.HTTP_401_UNAUTHORIZED,
+                    detail=str(e)
+                )
+        
         # Find user by telegramId
         print(f"[ModerationAuth] Поиск пользователя с telegramId={request.id}")
         user = await users_collection().find_one({'telegramId': str(request.id)})
diff --git a/moderation/backend-py/utils/email_service.py b/moderation/backend-py/utils/email_service.py
index f55d76b..3ebc165 100644
--- a/moderation/backend-py/utils/email_service.py
+++ b/moderation/backend-py/utils/email_service.py
@@ -1,5 +1,5 @@
 """
-Email sending utilities with support for Yandex SMTP
+Email sending utilities with support for AWS SES and Yandex SMTP
 """
 import smtplib
 import logging
@@ -11,6 +11,15 @@ from config import settings
 
 logger = logging.getLogger(__name__)
 
+# Try to import boto3 for AWS SES
+try:
+    import boto3
+    from botocore.exceptions import ClientError, BotoCoreError
+    BOTO3_AVAILABLE = True
+except ImportError:
+    BOTO3_AVAILABLE = False
+    logger.warning("[Email] boto3 не установлен. AWS SES недоступен. Установите: pip install boto3")
+
 
 def generate_verification_email(code: str) -> str:
     """Generate HTML email with verification code"""
@@ -43,6 +52,117 @@ def generate_verification_email(code: str) -> str:
     """
 
 
+async def send_email_aws_ses(to: str, subject: str, html: str, text: Optional[str] = None):
+    """Send email via AWS SES or Yandex Cloud Postbox (SESv2)"""
+    if not BOTO3_AVAILABLE:
+        raise ValueError("boto3 не установлен. Установите: pip install boto3")
+    
+    if not settings.AWS_SES_ACCESS_KEY_ID or not settings.AWS_SES_SECRET_ACCESS_KEY:
+        raise ValueError("AWS_SES_ACCESS_KEY_ID и AWS_SES_SECRET_ACCESS_KEY должны быть установлены в .env")
+    
+    try:
+        # Check if using Yandex Cloud Postbox (has custom endpoint)
+        is_yandex_cloud = bool(settings.AWS_SES_ENDPOINT_URL and 'yandex' in settings.AWS_SES_ENDPOINT_URL.lower())
+        
+        # Create client config
+        client_config = {
+            'aws_access_key_id': settings.AWS_SES_ACCESS_KEY_ID,
+            'aws_secret_access_key': settings.AWS_SES_SECRET_ACCESS_KEY,
+            'region_name': settings.AWS_SES_REGION
+        }
+        
+        # Add custom endpoint if specified (for Yandex Cloud Postbox)
+        if settings.AWS_SES_ENDPOINT_URL:
+            client_config['endpoint_url'] = settings.AWS_SES_ENDPOINT_URL
+        
+        # Yandex Cloud Postbox uses SESv2 API
+        # Also check if region is ru-central1 (Yandex Cloud region)
+        if is_yandex_cloud or settings.AWS_SES_REGION == 'ru-central1':
+            endpoint_url = settings.AWS_SES_ENDPOINT_URL or 'https://postbox.cloud.yandex.net'
+            logger.info(f"[Email] Использование Yandex Cloud Postbox (SESv2 API): {endpoint_url}")
+            
+            # Override endpoint if not set
+            if not settings.AWS_SES_ENDPOINT_URL:
+                client_config['endpoint_url'] = endpoint_url
+            
+            sesv2_client = boto3.client('sesv2', **client_config)
+            
+            # Prepare email for SESv2
+            destination = {'ToAddresses': [to]}
+            content = {
+                'Simple': {
+                    'Subject': {
+                        'Data': subject,
+                        'Charset': 'UTF-8'
+                    },
+                    'Body': {
+                        'Html': {
+                            'Data': html,
+                            'Charset': 'UTF-8'
+                        },
+                        'Text': {
+                            'Data': text or html.replace('<[^>]*>', ''),
+                            'Charset': 'UTF-8'
+                        }
+                    }
+                }
+            }
+            
+            # Send email via SESv2
+            response = sesv2_client.send_email(
+                FromEmailAddress=settings.EMAIL_FROM,
+                Destination=destination,
+                Content=content
+            )
+            
+            logger.info(f"✅ Email отправлен через Yandex Cloud Postbox на {to}, MessageId: {response.get('MessageId')}")
+            return {"success": True, "to": to, "messageId": response.get('MessageId')}
+        else:
+            # Standard AWS SES (SESv1 API)
+            logger.info(f"[Email] Использование AWS SES (SESv1 API): {settings.AWS_SES_REGION}")
+            ses_client = boto3.client('ses', **client_config)
+            
+            # Prepare email for SESv1
+            destination = {'ToAddresses': [to]}
+            message = {
+                'Subject': {'Data': subject, 'Charset': 'UTF-8'},
+                'Body': {
+                    'Html': {'Data': html, 'Charset': 'UTF-8'},
+                    'Text': {'Data': text or html.replace('<[^>]*>', ''), 'Charset': 'UTF-8'}
+                }
+            }
+            
+            # Send email
+            response = ses_client.send_email(
+                Source=settings.EMAIL_FROM,
+                Destination=destination,
+                Message=message
+            )
+            
+            logger.info(f"✅ Email отправлен через AWS SES на {to}, MessageId: {response.get('MessageId')}")
+            return {"success": True, "to": to, "messageId": response.get('MessageId')}
+        
+    except ClientError as e:
+        error_code = e.response.get('Error', {}).get('Code', 'Unknown')
+        error_msg = e.response.get('Error', {}).get('Message', str(e))
+        logger.error(f"❌ AWS SES ошибка ({error_code}): {error_msg}")
+        
+        # More informative error messages
+        if error_code == 'MessageRejected':
+            raise ValueError(f"Письмо отклонено: {error_msg}. Проверьте, что адрес {settings.EMAIL_FROM} верифицирован.")
+        elif error_code == 'InvalidParameterValue':
+            raise ValueError(f"Неверный параметр: {error_msg}")
+        elif error_code == 'AccessDenied':
+            raise ValueError(f"Доступ запрещен: {error_msg}. Проверьте права доступа ключей.")
+        
+        raise ValueError(f"AWS SES ошибка ({error_code}): {error_msg}")
+    except Exception as e:
+        logger.error(f"❌ Ошибка отправки email через AWS SES: {e}")
+        import traceback
+        traceback.print_exc()
+        raise
+
+
 async def send_email_smtp(to: str, subject: str, html: str, text: Optional[str] = None):
     """Send email via SMTP (Yandex, Gmail, etc.)"""
     try:
@@ -81,7 +201,7 @@ async def send_email_smtp(to: str, subject: str, html: str, text: Optional[str]
             logger.info(f"✅ Email отправлен на {to}")
             return {"success": True, "to": to}
         else:
-            raise ValueError(f"Email provider '{settings.EMAIL_PROVIDER}' не поддерживается. Используйте 'yandex' или 'smtp'")
+            raise ValueError(f"Email provider '{settings.EMAIL_PROVIDER}' не поддерживается. Используйте 'aws', 'yandex' или 'smtp'")
             
     except Exception as e:
         logger.error(f"❌ Ошибка отправки email: {e}")
@@ -100,13 +220,25 @@ async def send_email_smtp(to: str, subject: str, html: str, text: Optional[str]
         raise
 
 
+async def send_email(to: str, subject: str, html: str, text: Optional[str] = None):
+    """Send email using configured provider (AWS SES or SMTP)"""
+    email_provider = settings.EMAIL_PROVIDER.lower()
+    
+    if email_provider == 'aws':
+        return await send_email_aws_ses(to, subject, html, text)
+    elif email_provider in ['yandex', 'smtp']:
+        return await send_email_smtp(to, subject, html, text)
+    else:
+        raise ValueError(f"Email provider '{settings.EMAIL_PROVIDER}' не поддерживается. Используйте 'aws', 'yandex' или 'smtp'")
+
+
 async def send_verification_code(email: str, code: str):
     """Send verification code to email"""
     subject = "Код подтверждения регистрации - Nakama"
     html = generate_verification_email(code)
     text = f"Ваш код подтверждения: {code}. Код действителен 15 минут."
     
-    return await send_email_smtp(email, subject, html, text)
+    return await send_email(email, subject, html, text)
 
 
 async def send_admin_confirmation_code(code: str, action: str, user_info: dict):
@@ -152,5 +284,5 @@ async def send_admin_confirmation_code(code: str, action: str, user_info: dict):
 Пользователь: @{user_info.get('username', 'не указан')}
 Код действителен 5 минут."""
     
-    return await send_email_smtp(settings.OWNER_EMAIL, subject, html, text)
+    return await send_email(settings.OWNER_EMAIL, subject, html, text)
 
diff --git a/moderation/backend-py/utils/telegram_widget.py b/moderation/backend-py/utils/telegram_widget.py
new file mode 100644
index 0000000..b929552
--- /dev/null
+++ b/moderation/backend-py/utils/telegram_widget.py
@@ -0,0 +1,68 @@
+"""
+Telegram Login Widget validation
+"""
+import hmac
+import hashlib
+from typing import Optional, Dict, Any
+from config import settings
+
+
+def validate_telegram_widget(auth_data: Dict[str, Any], bot_token: Optional[str] = None) -> bool:
+    """
+    Validate Telegram Login Widget authentication data
+    
+    Args:
+        auth_data: Dictionary with user data and hash from Telegram widget
+        bot_token: Bot token (uses MODERATION_BOT_TOKEN if not provided)
+    
+    Returns:
+        True if validation successful
+    
+    Raises:
+        ValueError: If validation fails
+    """
+    token_to_use = bot_token or settings.MODERATION_BOT_TOKEN
+    
+    if not token_to_use or not isinstance(token_to_use, str) or not token_to_use.strip():
+        raise ValueError('Bot token модерации не настроен (MODERATION_BOT_TOKEN)')
+    
+    if not auth_data or 'hash' not in auth_data:
+        raise ValueError('Отсутствует hash в authData')
+    
+    received_hash = auth_data.pop('hash')
+    
+    # Clean data - remove None, empty strings, and convert all to strings
+    clean_data = {}
+    for key, value in auth_data.items():
+        if value is not None and value != '':
+            clean_data[key] = str(value)
+    
+    # Create data check string (sorted keys)
+    data_check_arr = sorted(clean_data.items())
+    data_check_string = '\n'.join(f'{key}={value}' for key, value in data_check_arr)
+    
+    # Create secret key
+    secret_key = hmac.new(
+        'WebAppData'.encode('utf-8'),
+        token_to_use.encode('utf-8'),
+        hashlib.sha256
+    ).digest()
+    
+    # Calculate hash
+    calculated_hash = hmac.new(
+        secret_key,
+        data_check_string.encode('utf-8'),
+        hashlib.sha256
+    ).hexdigest()
+    
+    # Compare hashes
+    is_valid = calculated_hash == received_hash
+    
+    if not is_valid:
+        print(f"[TelegramWidget] Hash mismatch:")
+        print(f"  Calculated: {calculated_hash[:20]}...")
+        print(f"  Received: {received_hash[:20]}...")
+        print(f"  Data check string: {data_check_string}")
+    
+    return is_valid
+
diff --git a/moderation/backend-py/websocket_server.py b/moderation/backend-py/websocket_server.py
index 8e9e26e..cc9a1e8 100644
--- a/moderation/backend-py/websocket_server.py
+++ b/moderation/backend-py/websocket_server.py
@@ -3,7 +3,12 @@ WebSocket server for moderation chat
 """
 import socketio
 import logging
-from typing import Dict, Set
+from typing import Dict, Set, Optional
+from datetime import datetime
+
+from config import settings
+from database import moderation_admins_collection
+from utils.auth import normalize_username
 
 logger = logging.getLogger(__name__)
 
@@ -16,109 +21,120 @@ sio = socketio.AsyncServer(
 )
 
 # Track connected moderators
-connected_moderators: Dict[str, Set[str]] = {}  # {room: {sid1, sid2, ...}}
+connected_moderators: Dict[str, dict] = {}  # {sid: {username, telegramId, isOwner}}
 
 
-@sio.event
-async def connect(sid, environ):
-    """Handle client connection"""
-    logger.info(f"[WebSocket] Client connected: {sid}")
-
-
-@sio.event
-async def disconnect(sid):
-    """Handle client disconnection"""
-    logger.info(f"[WebSocket] Client disconnected: {sid}")
-    
-    # Remove from all rooms
-    for room, sids in connected_moderators.items():
-        if sid in sids:
-            sids.remove(sid)
-            await sio.emit('user_left', {'sid': sid}, room=room, skip_sid=sid)
-
-
-@sio.event
-async def join_moderation_chat(sid, data):
-    """Join moderation chat room"""
-    try:
-        user_id = data.get('userId')
+def broadcast_online():
+    """Broadcast list of online moderators"""
+    unique = {}
+    for data in connected_moderators.values():
         username = data.get('username')
+        if username:
+            unique[username] = data
+    
+    online_list = list(unique.values())
+    sio.emit('online', online_list, namespace='/mod-chat')
+
+
+# Create namespace for moderation chat
+mod_chat = sio.namespace('/mod-chat')
+
+
+@mod_chat.on('connect')
+async def on_connect(sid, environ):
+    """Handle client connection to /mod-chat namespace"""
+    logger.info(f"[WebSocket] Client connected to /mod-chat: {sid}")
+    # Don't authorize immediately - wait for 'auth' event
+
+
+@mod_chat.on('disconnect')
+async def on_disconnect(sid):
+    """Handle client disconnection"""
+    logger.info(f"[WebSocket] Client disconnected from /mod-chat: {sid}")
+    
+    if sid in connected_moderators:
+        del connected_moderators[sid]
+        broadcast_online()
+
+
+@mod_chat.on('auth')
+async def on_auth(sid, data):
+    """Handle authentication for moderation chat"""
+    try:
+        username = normalize_username(data.get('username')) if data.get('username') else None
+        telegram_id = data.get('telegramId')
         
-        if not user_id:
+        if not username or not telegram_id:
+            logger.warning(f"[WebSocket] Auth failed: missing username or telegramId")
+            await sio.emit('unauthorized', namespace='/mod-chat', room=sid)
+            await sio.disconnect(sid, namespace='/mod-chat')
             return
         
-        room = 'moderation_chat'
-        await sio.enter_room(sid, room)
+        # Check if user is owner
+        owner_usernames = settings.OWNER_USERNAMES_LIST
+        is_owner = username.lower() in [u.lower() for u in owner_usernames]
         
-        if room not in connected_moderators:
-            connected_moderators[room] = set()
-        connected_moderators[room].add(sid)
+        # Check if user is moderation admin
+        admin = await moderation_admins_collection().find_one({
+            'telegramId': str(telegram_id)
+        })
+        is_admin = admin is not None
         
-        logger.info(f"[WebSocket] {username} ({user_id}) joined moderation chat")
+        if not is_owner and not is_admin:
+            logger.warning(f"[WebSocket] Access denied: {username} (telegramId: {telegram_id})")
+            await sio.emit('unauthorized', namespace='/mod-chat', room=sid)
+            await sio.disconnect(sid, namespace='/mod-chat')
+            return
         
-        # Notify others
-        await sio.emit('user_joined', {
-            'userId': user_id,
+        # Store connection data
+        connected_moderators[sid] = {
             'username': username,
-            'sid': sid
-        }, room=room, skip_sid=sid)
-        
-    except Exception as e:
-        logger.error(f"[WebSocket] Error joining chat: {e}")
-
-
-@sio.event
-async def leave_moderation_chat(sid, data):
-    """Leave moderation chat room"""
-    try:
-        room = 'moderation_chat'
-        await sio.leave_room(sid, room)
-        
-        if room in connected_moderators and sid in connected_moderators[room]:
-            connected_moderators[room].remove(sid)
-        
-        # Notify others
-        await sio.emit('user_left', {'sid': sid}, room=room, skip_sid=sid)
-        
-    except Exception as e:
-        logger.error(f"[WebSocket] Error leaving chat: {e}")
-
-
-@sio.event
-async def moderation_message(sid, data):
-    """Handle moderation chat message"""
-    try:
-        room = 'moderation_chat'
-        
-        message_data = {
-            'userId': data.get('userId'),
-            'username': data.get('username'),
-            'message': data.get('message'),
-            'timestamp': data.get('timestamp')
+            'telegramId': telegram_id,
+            'isOwner': is_owner
         }
         
-        # Broadcast to all in room
-        await sio.emit('moderation_message', message_data, room=room)
-        
-        logger.info(f"[WebSocket] Message from {data.get('username')}: {data.get('message')[:50]}...")
+        logger.info(f"[WebSocket] Auth success: {username} (owner: {is_owner}, admin: {is_admin})")
+        await sio.emit('ready', namespace='/mod-chat', room=sid)
+        broadcast_online()
         
     except Exception as e:
-        logger.error(f"[WebSocket] Error sending message: {e}")
+        logger.error(f"[WebSocket] Error in auth: {e}")
+        import traceback
+        traceback.print_exc()
+        await sio.emit('unauthorized', namespace='/mod-chat', room=sid)
+        await sio.disconnect(sid, namespace='/mod-chat')
 
 
-@sio.event
-async def typing(sid, data):
-    """Handle typing indicator"""
+@mod_chat.on('message')
+async def on_message(sid, data):
+    """Handle moderation chat message"""
     try:
-        room = 'moderation_chat'
-        await sio.emit('typing', {
-            'userId': data.get('userId'),
-            'username': data.get('username'),
-            'isTyping': data.get('isTyping', True)
-        }, room=room, skip_sid=sid)
+        if sid not in connected_moderators:
+            logger.warning(f"[WebSocket] Message from unauthorized client: {sid}")
+            return
+        
+        user_data = connected_moderators[sid]
+        text = (data.get('text') or '').strip()
+        
+        if not text:
+            return
+        
+        message = {
+            'id': f"{int(datetime.utcnow().timestamp() * 1000)}-{sid[:8]}",
+            'username': user_data['username'],
+            'telegramId': user_data['telegramId'],
+            'text': text,
+            'createdAt': datetime.utcnow().isoformat()
+        }
+        
+        # Broadcast to all in namespace
+        await sio.emit('message', message, namespace='/mod-chat')
+        logger.info(f"[WebSocket] Message from {user_data['username']}: {text[:50]}...")
         
     except Exception as e:
-        logger.error(f"[WebSocket] Error handling typing: {e}")
+        logger.error(f"[WebSocket] Error handling message: {e}")
+        import traceback
+        traceback.print_exc()
 
 
 def get_socketio_app():