Gate the neighbour graph to a region and size labels by busyness

src/features/map/useMapNodesData.ts

@@ -7,13 +7,14 @@ const nodeId = (n: NodeSummary) => n.id;
 // Page the selected region's nodes 50 at a time for the map, so the canvas fills batch by batch
 // instead of waiting for one big response. Thin wrapper over the shared useInfinitePages (which owns
 // the auto-chain, dedup, and error handling). Loads once per region; WS updates keep nodes live.
-export function useMapNodesData(selectedIatas: string[] | undefined, regionKey: string) {
+export function useMapNodesData(selectedIatas: string[] | undefined, regionKey: string, opts?: { enabled?: boolean }) {
   const { items, loadedCount, isPaging, isError } = useInfinitePages<NodeSummary>({
     queryKey: ["map-nodes", regionKey],
     // Always request neighborIds (just UUIDs) so the neighbor-lines toggle is a pure client-side
     // render switch over already-loaded data — no refetch when toggling.
     queryFn: (cursor) => getNodesPage(selectedIatas, { cursor, neighbors: true }),
     getId: nodeId,
+    enabled: opts?.enabled,
   });
   return { nodes: items, loadedCount, isPaging, isError };
 }