Sidebar tree socket permissions

apps/server/src/ws/ws.utils.ts

@@ -0,0 +1,17 @@
+export const WS_CACHE_TTL_MS = 30_000;
+export const WS_SPACE_RESTRICTION_CACHE_PREFIX = 'ws:space-restrictions:';
+
+export function getSpaceRoomName(spaceId: string): string {
+  return `space-${spaceId}`;
+}
+
+export function getUserRoomName(userId: string): string {
+  return `user-${userId}`;
+}
+
+export const TREE_EVENTS = new Set([
+  'updateOne',
+  'addTreeNode',
+  'moveTreeNode',
+  'deleteTreeNode',
+]);