fix: add missing commas for syntax correctness across multiple files

tests/services/test_organization_service.py

@@ -28,7 +28,7 @@ class StubOrganizationRepository(OrganizationRepository):
         self._membership = membership
 
     async def get_membership(
-        self, organization_id: int, user_id: int
+        self, organization_id: int, user_id: int,
     ) -> OrganizationMember | None:  # pragma: no cover - helper
         if (
             self._membership
@@ -40,7 +40,7 @@ class StubOrganizationRepository(OrganizationRepository):
 
 
 def make_membership(
-    role: OrganizationRole, *, organization_id: int = 1, user_id: int = 10
+    role: OrganizationRole, *, organization_id: int = 1, user_id: int = 10,
 ) -> OrganizationMember:
     organization = Organization(name="Acme Inc")
     organization.id = organization_id
@@ -75,7 +75,7 @@ class MembershipRepositoryStub(OrganizationRepository):
     """Repository stub that can emulate duplicate checks for add_member."""
 
     def __init__(
-        self, memberships: dict[tuple[int, int], OrganizationMember] | None = None
+        self, memberships: dict[tuple[int, int], OrganizationMember] | None = None,
     ) -> None:
         self._session_stub = SessionStub()
         super().__init__(session=cast(AsyncSession, self._session_stub))
@@ -95,7 +95,7 @@ async def test_get_context_success() -> None:
     service = OrganizationService(StubOrganizationRepository(membership))
 
     context = await service.get_context(
-        user_id=membership.user_id, organization_id=membership.organization_id
+        user_id=membership.user_id, organization_id=membership.organization_id,
     )
 
     assert context.organization_id == membership.organization_id
@@ -183,7 +183,7 @@ async def test_add_member_rejects_duplicate_membership() -> None:
 
     with pytest.raises(OrganizationMemberAlreadyExistsError):
         await service.add_member(
-            context=context, user_id=duplicate_user_id, role=OrganizationRole.MANAGER
+            context=context, user_id=duplicate_user_id, role=OrganizationRole.MANAGER,
         )