refactor(shared): reuse node list parsers across cli and tools

src/shared/node-list-parse.ts

@@ -0,0 +1,17 @@
+import type { NodeListNode, PairedNode, PairingList, PendingRequest } from "./node-list-types.js";
+
+function asRecord(value: unknown): Record<string, unknown> {
+  return typeof value === "object" && value !== null ? (value as Record<string, unknown>) : {};
+}
+
+export function parsePairingList(value: unknown): PairingList {
+  const obj = asRecord(value);
+  const pending = Array.isArray(obj.pending) ? (obj.pending as PendingRequest[]) : [];
+  const paired = Array.isArray(obj.paired) ? (obj.paired as PairedNode[]) : [];
+  return { pending, paired };
+}
+
+export function parseNodeList(value: unknown): NodeListNode[] {
+  const obj = asRecord(value);
+  return Array.isArray(obj.nodes) ? (obj.nodes as NodeListNode[]) : [];
+}