const STORAGE_PREFIX = "routerlists:release-modal:" export function getReleaseModalStorageKey(tag: string): string { return `${STORAGE_PREFIX}${tag}` } export function hasSeenReleaseModal(tag: string): boolean { if (typeof window === "undefined") return true return window.localStorage.getItem(getReleaseModalStorageKey(tag)) === "1" } export function markReleaseModalSeen(tag: string): void { window.localStorage.setItem(getReleaseModalStorageKey(tag), "1") }