export const CONTROLLERS_STORAGE_KEY = "local-studio.controllers";const LEGACY_CONTROLLERS_STORAGE_KEY = [["v", "llm-studio"].join(""), "controllers"].join(".");export const CONTROLLERS_CHANGED_EVENT = "vllm:controllers-changed"; export type SavedController = {  url: string;  apiKey?: string;  name?: string;}; export function normalizeControllerUrl(url: string): string {  const trimmed = url.trim().replace(/\/+$/, "");  if (!trimmed) return "";  try {    const parsed = new URL(trimmed);    parsed.pathname = parsed.pathname.replace(/\/v1\/?$/i, "") || "/";    parsed.search = "";    parsed.hash = "";    return parsed.toString().replace(/\/+$/, "");  } catch {    return trimmed.replace(/\/v1\/?$/i, "").replace(/\/+$/, "");  }} function parseSavedController(entry: unknown): SavedController | null {  if (typeof entry === "string") {    const url = normalizeControllerUrl(entry);    return url ? { url } : null;  }  if (!entry || typeof entry !== "object" || Array.isArray(entry)) return null;  const record = entry as Record<string, unknown>;  const url = typeof record.url === "string" ? normalizeControllerUrl(record.url) : "";  if (!url) return null;  const apiKey = typeof record.apiKey === "string" ? record.apiKey.trim() : "";  const name = typeof record.name === "string" ? record.name.trim() : "";  const out: SavedController = { url };  if (apiKey) out.apiKey = apiKey;  if (name) out.name = name;  return out;} export function loadSavedControllers(): SavedController[] {  if (typeof window === "undefined") return [];  try {    const raw =      window.localStorage.getItem(CONTROLLERS_STORAGE_KEY) ||      window.localStorage.getItem(LEGACY_CONTROLLERS_STORAGE_KEY);    if (!raw) return [];    const parsed = JSON.parse(raw) as unknown;    if (!Array.isArray(parsed)) return [];    const byUrl = new Map<string, SavedController>();    for (const entry of parsed) {      const controller = parseSavedController(entry);      if (!controller) continue;      byUrl.set(controller.url, { ...byUrl.get(controller.url), ...controller });    }    const next = [...byUrl.values()];    if (      JSON.stringify(parsed) !== JSON.stringify(next) ||      !window.localStorage.getItem(CONTROLLERS_STORAGE_KEY)    ) {      window.localStorage.setItem(CONTROLLERS_STORAGE_KEY, JSON.stringify(next));    }    return next;  } catch {    return [];  }} export function saveSavedControllers(controllers: SavedController[]): SavedController[] {  if (typeof window === "undefined") return [];  const byUrl = new Map<string, SavedController>();  for (const controller of controllers) {    const url = normalizeControllerUrl(controller.url);    if (!url) continue;    const apiKey = controller.apiKey?.trim();    const name = controller.name?.trim();    const out: SavedController = { url };    if (apiKey) out.apiKey = apiKey;    if (name) out.name = name;    byUrl.set(url, out);  }  const next = [...byUrl.values()];  window.localStorage.setItem(CONTROLLERS_STORAGE_KEY, JSON.stringify(next));  window.dispatchEvent(    new CustomEvent(CONTROLLERS_CHANGED_EVENT, { detail: { controllers: next } }),  );  window.dispatchEvent(new Event("storage"));  return next;} export function getControllerApiKey(url: string): string {  const normalized = normalizeControllerUrl(url);  if (!normalized) return "";  return (    loadSavedControllers().find(      (controller) => normalizeControllerUrl(controller.url) === normalized,    )?.apiKey ?? ""  );}