Remove the guest system entirely: no is_guest/device_id, no guest throttles, phone login is the only way in

accounts.0008 drops the columns and refuses to run while guest rows exist.
Docs describe the current state; tests that only proved guest behaviour are gone.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

notifications/views.py

@@ -15,26 +15,12 @@ from .serializers import (
 NOTIFICATIONS_MAX = 100
 
 
-class GuestAwareReadThrottle(ScopedRateThrottle):
-    """همون الگوی GuestAware*Throttle: مهمان با IP کلید می‌خوره."""
-
-    def get_cache_key(self, request, view):
-        user = request.user
-        if user and user.is_authenticated and getattr(user, 'is_guest', False):
-            ident = f'guest-ip:{self.get_ident(request)}'
-        elif user and user.is_authenticated:
-            ident = user.pk
-        else:
-            ident = self.get_ident(request)
-        return self.cache_format % {'scope': self.scope, 'ident': ident}
-
-
 class NotificationListView(APIView):
     """GET /api/notifications — فهرست اعلان‌های کاربر (جدیدترین اول)"""
 
     permission_classes = [IsAuthenticated]
     throttle_scope = 'read'
-    throttle_classes = [GuestAwareReadThrottle]
+    throttle_classes = [ScopedRateThrottle]
 
     @extend_schema(responses=NotificationListResponseSerializer, tags=['Notifications (notifications)'])
     def get(self, request):
@@ -75,7 +61,7 @@ class NotificationMarkAllReadView(APIView):
 
     permission_classes = [IsAuthenticated]
     throttle_scope = 'read'
-    throttle_classes = [GuestAwareReadThrottle]
+    throttle_classes = [ScopedRateThrottle]
 
     @extend_schema(request=None, responses=MarkAllReadResponseSerializer,
                    tags=['Notifications (notifications)'])