refactor(nodes-cli): share node.invoke param builder

src/cli/nodes-cli/rpc.ts

@@ -1,6 +1,6 @@
 import type { Command } from "commander";
 import type { NodeListNode, NodesRpcOpts } from "./types.js";
-import { callGateway } from "../../gateway/call.js";
+import { callGateway, randomIdempotencyKey } from "../../gateway/call.js";
 import { resolveNodeIdFromCandidates } from "../../shared/node-match.js";
 import { GATEWAY_CLIENT_MODES, GATEWAY_CLIENT_NAMES } from "../../utils/message-channel.js";
 import { withProgress } from "../progress.js";
@@ -37,6 +37,25 @@ export const callGatewayCli = async (
       }),
   );
 
+export function buildNodeInvokeParams(params: {
+  nodeId: string;
+  command: string;
+  params?: Record<string, unknown>;
+  timeoutMs?: number;
+  idempotencyKey?: string;
+}): Record<string, unknown> {
+  const invokeParams: Record<string, unknown> = {
+    nodeId: params.nodeId,
+    command: params.command,
+    params: params.params,
+    idempotencyKey: params.idempotencyKey ?? randomIdempotencyKey(),
+  };
+  if (typeof params.timeoutMs === "number" && Number.isFinite(params.timeoutMs)) {
+    invokeParams.timeoutMs = params.timeoutMs;
+  }
+  return invokeParams;
+}
+
 export function unauthorizedHintForMessage(message: string): string | null {
   const haystack = message.toLowerCase();
   if (