docs: document cli service tests

src/cli/node-cli/daemon.test.ts

@@ -1,3 +1,4 @@
+// Node daemon tests cover node daemon command runtime behavior and errors.
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import type { GatewayServiceRuntime } from "../../daemon/service-runtime.js";
 import { runNodeDaemonStatus } from "./daemon.js";

src/cli/node-cli/register.test.ts

@@ -1,3 +1,4 @@
+// Node CLI register tests cover node command registration and option wiring.
 import { Command } from "commander";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import { registerNodeCli } from "./register.js";