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>

progress/views.py

@@ -9,21 +9,6 @@ from rest_framework.views import APIView
 
 from .models import Character, StreakRecord, UserHearts, UserStats
 from .services import effective_current_streak
-
-
-class GuestAwareReadThrottle(ScopedRateThrottle):
-    """همون الگوی GuestAwareContentThrottle: کاربرِ مهمان (هر deviceId یک pk
-    تازه) با IP کلید می‌خوره تا چرخشِ حساب سقفِ read رو دور نزنه."""
-
-    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}
 from .serializers import (
     CharacterListResponseSerializer,
     LeaderboardResponseSerializer,
@@ -55,7 +40,7 @@ class UserSummaryView(APIView):
 
     permission_classes = [IsAuthenticated]
     throttle_scope = 'read'
-    throttle_classes = [GuestAwareReadThrottle]
+    throttle_classes = [ScopedRateThrottle]
 
     @extend_schema(responses=UserSummaryResponseSerializer, tags=['Progress & Gamification (progress)'])
     def get(self, request):
@@ -86,7 +71,7 @@ class StreakCalendarView(APIView):
 
     permission_classes = [IsAuthenticated]
     throttle_scope = 'read'
-    throttle_classes = [GuestAwareReadThrottle]
+    throttle_classes = [ScopedRateThrottle]
 
     @extend_schema(responses=StreakCalendarResponseSerializer, tags=['Progress & Gamification (progress)'])
     def get(self, request):
@@ -112,7 +97,7 @@ class WeeklyReportView(APIView):
 
     permission_classes = [IsAuthenticated]
     throttle_scope = 'read'
-    throttle_classes = [GuestAwareReadThrottle]
+    throttle_classes = [ScopedRateThrottle]
 
     @extend_schema(responses=WeeklyReportResponseSerializer, tags=['Progress & Gamification (progress)'])
     def get(self, request):
@@ -136,7 +121,7 @@ class LeaderboardView(APIView):
 
     permission_classes = [IsAuthenticated]
     throttle_scope = 'read'
-    throttle_classes = [GuestAwareReadThrottle]
+    throttle_classes = [ScopedRateThrottle]
 
     @extend_schema(
         parameters=[OpenApiParameter('period', OpenApiTypes.STR, required=False,
@@ -215,7 +200,7 @@ class CharacterListView(APIView):
 
     permission_classes = [IsAuthenticated]
     throttle_scope = 'read'
-    throttle_classes = [GuestAwareReadThrottle]
+    throttle_classes = [ScopedRateThrottle]
 
     @extend_schema(responses=CharacterListResponseSerializer, tags=['Progress & Gamification (progress)'])
     def get(self, request):