refactor: consolidate nodes cli error handling

src/cli/nodes-cli/cli-utils.ts

@@ -0,0 +1,13 @@
+import { defaultRuntime } from "../../runtime.js";
+import { runCommandWithRuntime } from "../cli-utils.js";
+import { unauthorizedHintForMessage } from "./rpc.js";
+
+export function runNodesCommand(label: string, action: () => Promise<void>) {
+  return runCommandWithRuntime(defaultRuntime, action, (err) => {
+    const message = String(err);
+    defaultRuntime.error(`nodes ${label} failed: ${message}`);
+    const hint = unauthorizedHintForMessage(message);
+    if (hint) defaultRuntime.error(hint);
+    defaultRuntime.exit(1);
+  });
+}