fix: add missing commas for syntax correctness across multiple files

app/services/deal_service.py

@@ -79,7 +79,7 @@ class DealService:
         await self._ensure_contact_in_organization(data.contact_id, context.organization_id)
         deal = await self._repository.create(data=data, role=context.role, user_id=context.user_id)
         await invalidate_analytics_cache(
-            self._cache, context.organization_id, self._cache_backoff_ms
+            self._cache, context.organization_id, self._cache_backoff_ms,
         )
         return deal
 
@@ -120,7 +120,7 @@ class DealService:
             return deal
 
         updated = await self._repository.update(
-            deal, changes, role=context.role, user_id=context.user_id
+            deal, changes, role=context.role, user_id=context.user_id,
         )
         await self._log_activities(
             deal_id=deal.id,
@@ -128,7 +128,7 @@ class DealService:
             activities=[activity for activity in [stage_activity, status_activity] if activity],
         )
         await invalidate_analytics_cache(
-            self._cache, context.organization_id, self._cache_backoff_ms
+            self._cache, context.organization_id, self._cache_backoff_ms,
         )
         return updated
 
@@ -150,7 +150,7 @@ class DealService:
             return
         for activity_type, payload in entries:
             activity = Activity(
-                deal_id=deal_id, author_id=author_id, type=activity_type, payload=payload
+                deal_id=deal_id, author_id=author_id, type=activity_type, payload=payload,
             )
             self._repository.session.add(activity)
         await self._repository.session.flush()
@@ -160,7 +160,7 @@ class DealService:
             raise DealOrganizationMismatchError("Operation targets a different organization")
 
     async def _ensure_contact_in_organization(
-        self, contact_id: int, organization_id: int
+        self, contact_id: int, organization_id: int,
     ) -> Contact:
         contact = await self._repository.session.get(Contact, contact_id)
         if contact is None or contact.organization_id != organization_id:
@@ -185,5 +185,5 @@ class DealService:
         effective_amount = updates.amount if updates.amount is not None else deal.amount
         if effective_amount is None or Decimal(effective_amount) <= Decimal("0"):
             raise DealStatusValidationError(
-                "Amount must be greater than zero to mark a deal as won"
+                "Amount must be greater than zero to mark a deal as won",
             )