chore: updated reference design to app changes and fixes

docs/design/change-log-roles-sync.md

@@ -116,3 +116,4 @@ These were checked against the backend and applied to the repo copy of the desig
 2. Media purge permissions: `GET /v1/media/purge-settings` needs "View settings", `PATCH /v1/media/purge-settings` needs "Edit general settings", and `GET /v1/media/purge-preview` and `POST /v1/media/purge` need "Delete files".
 3. Open item 7 (deleted role): the backend answers 404 for a deleted role and 409 for a stale role save, as drawn.
 4. Open item 8: "changing a role that changed meanwhile" means the member's role, as read.
+5. Event names now match the backend: role.create, role.edit, role.delete, role.reassign, user.change_role, user.transfer_ownership, user.remove. The living specs (screens/roles.md, roles-spec.js, routes.md, states.md, screens/activity.md) use these names; the history rows above keep the names as they were at the time.