chore: add comments

packages/core/src/routes/logto-config.ts

@@ -350,6 +350,10 @@ export default function logtoConfigRoutes<T extends AuthedRouter>(
           },
         });
       } catch (error: unknown) {
+        /**
+         * `ResponseError` comes from `@withtyped/client` and all `logto/core` API returns error in the
+         * format of `RequestError`, we manually transform it here to keep the error format consistent.
+         */
         if (error instanceof ResponseError) {
           const { message } = z.object({ message: z.string() }).parse(await error.response.json());
           throw new RequestError({ code: 'jwt_customizer.general', status: 422 }, { message });