cursor done.

public/js/storage.js

@@ -0,0 +1,53 @@
+const SERVERS_KEY = 'apiServers';
+const CURRENT_SERVER_KEY = 'currentServer';
+const TOKEN_PREFIX = 'token_';
+const USER_PREFIX = 'user_';
+
+export function getServers() {
+  const servers = localStorage.getItem(SERVERS_KEY);
+  return servers ? JSON.parse(servers) : [];
+}
+
+export function saveServers(servers) {
+  localStorage.setItem(SERVERS_KEY, JSON.stringify(servers));
+}
+
+export function getCurrentServer() {
+  return localStorage.getItem(CURRENT_SERVER_KEY) || '';
+}
+
+export function setCurrentServer(server) {
+  if (server) {
+    localStorage.setItem(CURRENT_SERVER_KEY, server);
+  } else {
+    localStorage.removeItem(CURRENT_SERVER_KEY);
+  }
+}
+
+export function getToken(server) {
+  return server ? localStorage.getItem(`${TOKEN_PREFIX}${server}`) || '' : '';
+}
+
+export function setToken(server, token) {
+  if (server) {
+    localStorage.setItem(`${TOKEN_PREFIX}${server}`, token);
+  }
+}
+
+export function getUser(server) {
+  if (!server) return null;
+  const value = localStorage.getItem(`${USER_PREFIX}${server}`);
+  return value ? JSON.parse(value) : null;
+}
+
+export function setUser(server, user) {
+  if (server) {
+    localStorage.setItem(`${USER_PREFIX}${server}`, JSON.stringify(user));
+  }
+}
+
+export function clearAuth(server) {
+  if (!server) return;
+  localStorage.removeItem(`${TOKEN_PREFIX}${server}`);
+  localStorage.removeItem(`${USER_PREFIX}${server}`);
+}