Phase 0: Add ModuleEnableSettings serializer, ViewSet, and URL routing

- Created ModuleEnableSettingsSerializer
- Created ModuleEnableSettingsViewSet with get_or_create logic
- Added URL routing for module enable settings
- One record per account, auto-created on first access

backend/igny8_core/modules/system/settings_serializers.py

@@ -58,6 +58,17 @@ class ModuleSettingsSerializer(serializers.ModelSerializer):
         return value
 
 
+class ModuleEnableSettingsSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ModuleEnableSettings
+        fields = [
+            'id', 'planner_enabled', 'writer_enabled', 'thinker_enabled',
+            'automation_enabled', 'site_builder_enabled', 'linker_enabled',
+            'optimizer_enabled', 'publisher_enabled', 'created_at', 'updated_at'
+        ]
+        read_only_fields = ['created_at', 'updated_at', 'account']
+
+
 class AISettingsSerializer(serializers.ModelSerializer):
     class Meta:
         model = AISettings

backend/igny8_core/modules/system/settings_views.py

@@ -16,7 +16,7 @@ from igny8_core.api.permissions import IsAuthenticatedAndActive, HasTenantAccess
 from .settings_models import SystemSettings, AccountSettings, UserSettings, ModuleSettings, ModuleEnableSettings, AISettings
 from .settings_serializers import (
     SystemSettingsSerializer, AccountSettingsSerializer, UserSettingsSerializer,
-    ModuleSettingsSerializer, AISettingsSerializer
+    ModuleSettingsSerializer, ModuleEnableSettingsSerializer, AISettingsSerializer
 )
 
 
@@ -276,6 +276,105 @@ class ModuleSettingsViewSet(AccountModelViewSet):
         serializer.save(account=account)
 
 
+@extend_schema_view(
+    list=extend_schema(tags=['System']),
+    retrieve=extend_schema(tags=['System']),
+    update=extend_schema(tags=['System']),
+    partial_update=extend_schema(tags=['System']),
+)
+class ModuleEnableSettingsViewSet(AccountModelViewSet):
+    """
+    ViewSet for managing module enable/disable settings
+    Unified API Standard v1.0 compliant
+    One record per account
+    """
+    queryset = ModuleEnableSettings.objects.all()
+    serializer_class = ModuleEnableSettingsSerializer
+    permission_classes = [IsAuthenticatedAndActive, HasTenantAccess, IsAdminOrOwner]
+    authentication_classes = [JWTAuthentication, CSRFExemptSessionAuthentication]
+    throttle_scope = 'system'
+    throttle_classes = [DebugScopedRateThrottle]
+    
+    def get_queryset(self):
+        """Get module enable settings for current account"""
+        queryset = super().get_queryset()
+        return queryset
+    
+    def list(self, request):
+        """Get or create module enable settings for current account"""
+        account = getattr(request, 'account', None)
+        if not account:
+            user = getattr(request, 'user', None)
+            if user:
+                account = getattr(user, 'account', None)
+        
+        if not account:
+            return error_response(
+                error='Account not found',
+                status_code=status.HTTP_400_BAD_REQUEST,
+                request=request
+            )
+        
+        # Get or create settings for account
+        settings = ModuleEnableSettings.get_or_create_for_account(account)
+        serializer = self.get_serializer(settings)
+        return success_response(data=serializer.data, request=request)
+    
+    def retrieve(self, request, pk=None):
+        """Get module enable settings for current account"""
+        account = getattr(request, 'account', None)
+        if not account:
+            user = getattr(request, 'user', None)
+            if user:
+                account = getattr(user, 'account', None)
+        
+        if not account:
+            return error_response(
+                error='Account not found',
+                status_code=status.HTTP_400_BAD_REQUEST,
+                request=request
+            )
+        
+        # Get or create settings for account
+        settings = ModuleEnableSettings.get_or_create_for_account(account)
+        serializer = self.get_serializer(settings)
+        return success_response(data=serializer.data, request=request)
+    
+    def update(self, request, pk=None):
+        """Update module enable settings for current account"""
+        account = getattr(request, 'account', None)
+        if not account:
+            user = getattr(request, 'user', None)
+            if user:
+                account = getattr(user, 'account', None)
+        
+        if not account:
+            return error_response(
+                error='Account not found',
+                status_code=status.HTTP_400_BAD_REQUEST,
+                request=request
+            )
+        
+        # Get or create settings for account
+        settings = ModuleEnableSettings.get_or_create_for_account(account)
+        serializer = self.get_serializer(settings, data=request.data, partial=True)
+        
+        if serializer.is_valid():
+            serializer.save()
+            return success_response(data=serializer.data, request=request)
+        
+        return error_response(
+            error='Validation failed',
+            errors=serializer.errors,
+            status_code=status.HTTP_400_BAD_REQUEST,
+            request=request
+        )
+    
+    def partial_update(self, request, pk=None):
+        """Partial update module enable settings"""
+        return self.update(request, pk)
+
+
 @extend_schema_view(
     list=extend_schema(tags=['System']),
     create=extend_schema(tags=['System']),

backend/igny8_core/modules/system/urls.py

@@ -7,7 +7,7 @@ from .views import AIPromptViewSet, AuthorProfileViewSet, StrategyViewSet, syste
 from .integration_views import IntegrationSettingsViewSet
 from .settings_views import (
     SystemSettingsViewSet, AccountSettingsViewSet, UserSettingsViewSet,
-    ModuleSettingsViewSet, AISettingsViewSet
+    ModuleSettingsViewSet, ModuleEnableSettingsViewSet, AISettingsViewSet
 )
 router = DefaultRouter()
 router.register(r'prompts', AIPromptViewSet, basename='prompts')
@@ -17,6 +17,7 @@ router.register(r'settings/system', SystemSettingsViewSet, basename='system-sett
 router.register(r'settings/account', AccountSettingsViewSet, basename='account-settings')
 router.register(r'settings/user', UserSettingsViewSet, basename='user-settings')
 router.register(r'settings/modules', ModuleSettingsViewSet, basename='module-settings')
+router.register(r'settings/modules/enable', ModuleEnableSettingsViewSet, basename='module-enable-settings')
 router.register(r'settings/ai', AISettingsViewSet, basename='ai-settings')
 
 # Custom URL patterns for integration settings - matching reference plugin structure