chore: simplify admin login to email+password only

web/app.js

@@ -1,5 +1,8 @@
 const $ = (id) => document.getElementById(id);
 
+// Fixed API base for this deployment
+const API_BASE = 'https://cfdav.fnos.workers.dev';
+
 function log(msg) {
   const el = $('log');
   el.textContent = `[${new Date().toISOString()}] ${msg}\n` + el.textContent;
@@ -12,13 +15,8 @@ function getAuthHeader() {
   return `Basic ${token}`;
 }
 
-function apiBase() {
-  const base = $('apiBase').value.trim();
-  return base ? base.replace(/\/$/, '') : '';
-}
-
 async function apiFetch(path, options = {}) {
-  const url = apiBase() + path;
+  const url = API_BASE + path;
   const headers = options.headers || {};
   headers['Authorization'] = getAuthHeader();
   headers['Content-Type'] = 'application/json';
@@ -75,16 +73,6 @@ async function deleteUser(id) {
   await loadUsers();
 }
 
-function saveSettings() {
-  localStorage.setItem('cfdav_api_base', $('apiBase').value.trim());
-  localStorage.setItem('cfdav_email', $('email').value.trim());
-}
-
-function loadSettings() {
-  $('apiBase').value = localStorage.getItem('cfdav_api_base') || '';
-  $('email').value = localStorage.getItem('cfdav_email') || '';
-}
-
 function setLoggedIn(state) {
   $('loginCard').classList.toggle('hidden', state);
   $('app').classList.toggle('hidden', !state);
@@ -92,7 +80,6 @@ function setLoggedIn(state) {
 
 async function login() {
   try {
-    saveSettings();
     await loadUsers();
     setLoggedIn(true);
     log('Login success');
@@ -113,5 +100,4 @@ $('refreshBtn').addEventListener('click', () => loadUsers().catch((e) => log(e.m
 $('createBtn').addEventListener('click', () => createUser().catch((e) => log(e.message)));
 $('logoutBtn').addEventListener('click', logout);
 
-loadSettings();
 setLoggedIn(false);

web/index.html

@@ -12,10 +12,6 @@
 
       <section id="loginCard" class="card">
         <h2>Login</h2>
-        <div class="row">
-          <label>API Base URL</label>
-          <input id="apiBase" placeholder="https://cfdav.fnos.workers.dev" />
-        </div>
         <div class="row">
           <label>Email</label>
           <input id="email" placeholder="admin@example.com" />
@@ -25,7 +21,6 @@
           <input id="password" type="password" placeholder="******" />
         </div>
         <button id="loginBtn">Login</button>
-        <p class="hint">提示：API Base 留空则默认同域（/api/admin）。</p>
       </section>
 
       <section id="app" class="hidden">