feat(portal): add SSR operations and exclusive groups

packages/database/src/schema.ts

@@ -91,7 +91,7 @@ export const userGroupMemberships = pgTable(
     createdAt: createdAt(),
   },
   (table) => [
-    uniqueIndex("user_group_memberships_user_group_uidx").on(table.userId, table.groupId),
+    uniqueIndex("user_group_memberships_user_uidx").on(table.userId),
     index("user_group_memberships_group_idx").on(table.groupId),
   ],
 );