fix(cli): keep nodes json stdout clean (#84423)

Co-authored-by: Gio Della-Libera <giodl@microsoft.com>

src/cli/program/register.subclis-core.ts

@@ -127,11 +127,15 @@ const entrySpecs: readonly CommandGroupDescriptorSpec<SubCliRegistrar>[] = [
       loadModule: () => import("../exec-policy-cli.js"),
       exportName: "registerExecPolicyCli",
     },
-    {
-      commandNames: ["nodes"],
-      loadModule: () => import("../nodes-cli.js"),
-      exportName: "registerNodesCli",
+  ]),
+  {
+    commandNames: ["nodes"],
+    register: async (program, argv) => {
+      const mod = await import("../nodes-cli.js");
+      await mod.registerNodesCli(program, argv);
     },
+  },
+  ...defineImportedProgramCommandGroupSpecs([
     {
       commandNames: ["devices"],
       loadModule: () => import("../devices-cli.js"),

src/cli/program/register.subclis.test.ts

@@ -172,6 +172,12 @@ describe("registerSubCliCommands", () => {
     await program.parseAsync(["nodes", "list"], { from: "user" });
 
     expect(registerNodesCli).toHaveBeenCalledTimes(1);
+    expect(registerNodesCli).toHaveBeenCalledWith(expect.any(Command), [
+      "node",
+      "openclaw",
+      "nodes",
+      "list",
+    ]);
     expect(nodesAction).toHaveBeenCalledTimes(1);
   });