feat(housekeeping): deliver system vertical

src/features/housekeeping/foundation/registry.test.ts

@@ -1,5 +1,6 @@
 import { describe, expect, it } from "vitest";
 import { PERMS } from "@/lib/permission-slugs";
+import { SYSTEM_ROUTES } from "../domains/system/routes";
 import { HOUSEKEEPING_MANIFESTS } from "../manifests";
 import { HOUSEKEEPING_MIGRATION_MATRIX } from "../migration/matrix";
 import {
@@ -353,7 +354,9 @@ describe("housekeeping registry", () => {
 				labelKey: expected.labelKey,
 				descriptionKey: expected.descriptionKey,
 			});
-			expect(actual.routes).toEqual([]);
+			expect(actual.routes).toEqual(
+				expected.id === "system" ? SYSTEM_ROUTES : [],
+			);
 			expect(actual.searchProviders).toEqual([]);
 			expect(actual.inboxSources).toEqual([]);
 			expect(actual.widgets).toEqual([]);