test: restore runtime-aware cli mocks

src/cli/system-cli.test.ts

@@ -13,7 +13,8 @@ vi.mock("./gateway-rpc.js", () => ({
   callGatewayFromCli,
 }));
 
-vi.mock("../runtime.js", () => ({
+vi.mock("../runtime.js", async (importOriginal) => ({
+  ...(await importOriginal<typeof import("../runtime.js")>()),
   defaultRuntime,
 }));