fix: restore complete admin feature dependencies

src/lib/furni/classname.ts

@@ -0,0 +1,43 @@
+const CLASSNAME_CHAR_RE = /^[a-z0-9_*\-.]+$/
+
+export function getBaseClassname(classname: string): string {
+  const star = classname.indexOf('*')
+  return star >= 0 ? classname.substring(0, star) : classname
+}
+
+export function getSafeClassnameStem(classname: string): string {
+  return classname.replace(/\*/g, '_')
+}
+
+export function getIconFileName(classname: string): string {
+  return `${getSafeClassnameStem(classname)}_icon.png`
+}
+
+export function getSwfFileName(classname: string): string {
+  return `${getBaseClassname(classname)}.swf`
+}
+
+export function getNitroFileName(classname: string): string {
+  return `${getBaseClassname(classname)}.nitro`
+}
+
+export function normalizeClassname(raw: string): string {
+  return raw.trim().toLowerCase()
+}
+
+export function isValidClassname(classname: string): boolean {
+  if (!classname) return false
+  return CLASSNAME_CHAR_RE.test(classname)
+}
+
+export const LOCAL_ICON_URL_PREFIX = '/swf/dcr/hof_furni/icons/'
+
+export function getLocalIconUrl(classname: string): string {
+  return `${LOCAL_ICON_URL_PREFIX}${encodeURIComponent(getIconFileName(classname))}`
+}
+
+export function getHabboCdnIconUrl(classname: string, revision: number): string {
+  const base = getBaseClassname(classname)
+  return `https://images.habbo.com/dcr/hof_furni/${revision}/${encodeURIComponent(base)}_icon.png`
+}
+