fix: add missing commas for syntax correctness across multiple files

app/repositories/contact_repo.py

@@ -46,7 +46,7 @@ class ContactRepository:
         user_id: int,
     ) -> Sequence[Contact]:
         stmt: Select[tuple[Contact]] = select(Contact).where(
-            Contact.organization_id == params.organization_id
+            Contact.organization_id == params.organization_id,
         )
         stmt = self._apply_filters(stmt, params, role, user_id)
         offset = (max(params.page, 1) - 1) * params.page_size
@@ -63,7 +63,7 @@ class ContactRepository:
         user_id: int,
     ) -> Contact | None:
         stmt = select(Contact).where(
-            Contact.id == contact_id, Contact.organization_id == organization_id
+            Contact.id == contact_id, Contact.organization_id == organization_id,
         )
         result = await self._session.scalars(stmt)
         return result.first()