refactor(nodes): dedupe camera payload and node resolve helpers

src/shared/node-resolve.ts

@@ -0,0 +1,33 @@
+import { type NodeMatchCandidate, resolveNodeIdFromCandidates } from "./node-match.js";
+
+type ResolveNodeFromListOptions<TNode extends NodeMatchCandidate> = {
+  allowDefault?: boolean;
+  pickDefaultNode?: (nodes: TNode[]) => TNode | null;
+};
+
+export function resolveNodeIdFromNodeList<TNode extends NodeMatchCandidate>(
+  nodes: TNode[],
+  query?: string,
+  options: ResolveNodeFromListOptions<TNode> = {},
+): string {
+  const q = String(query ?? "").trim();
+  if (!q) {
+    if (options.allowDefault === true && options.pickDefaultNode) {
+      const picked = options.pickDefaultNode(nodes);
+      if (picked) {
+        return picked.nodeId;
+      }
+    }
+    throw new Error("node required");
+  }
+  return resolveNodeIdFromCandidates(nodes, q);
+}
+
+export function resolveNodeFromNodeList<TNode extends NodeMatchCandidate>(
+  nodes: TNode[],
+  query?: string,
+  options: ResolveNodeFromListOptions<TNode> = {},
+): TNode {
+  const nodeId = resolveNodeIdFromNodeList(nodes, query, options);
+  return nodes.find((node) => node.nodeId === nodeId) ?? ({ nodeId } as TNode);
+}