auth: gate SPA boot on /api/auth/me, add user badge and logout

containers/clearview/site/app.js

@@ -1,3 +1,47 @@
+// -------------------------------------------------------------------------
+// Auth gate: runs before the main app IIFE bootstraps. If the user is not
+// authenticated, we redirect to /login.html (or /setup.html when the backend
+// indicates the initial setup is still required) and abort further init.
+// -------------------------------------------------------------------------
+(async function authGate() {
+  try {
+    const r = await fetch('/api/auth/me', { credentials: 'same-origin' });
+    if (r.status === 401) {
+      const setup = await fetch('/api/auth/setup-required').then(function (x) { return x.json(); }).catch(function () { return { setup_required: false }; });
+      window.location.replace(setup.setup_required ? '/setup.html' : '/login.html');
+      return;
+    }
+    if (!r.ok) return;
+    const me = await r.json();
+    window.__clearviewUser = me;
+    renderUserBadge(me);
+    if (me.role !== 'admin') {
+      const usersLink = document.querySelector('[data-route="users"]');
+      if (usersLink) usersLink.style.display = 'none';
+    }
+  } catch (e) {
+    window.location.replace('/login.html');
+  }
+})();
+
+function renderUserBadge(me) {
+  const slot = document.getElementById('userBadge');
+  if (!slot) return;
+  slot.innerHTML = '';
+  const wrap = document.createElement('span');
+  wrap.className = 'user-badge';
+  wrap.append(document.createTextNode(me.username + ' (' + me.role + ')'));
+  const btn = document.createElement('button');
+  btn.type = 'button';
+  btn.textContent = 'Sign out';
+  btn.addEventListener('click', async function () {
+    await fetch('/api/auth/logout', { method: 'POST', credentials: 'same-origin' });
+    window.location.replace('/login.html');
+  });
+  wrap.append(btn);
+  slot.append(wrap);
+}
+
 (function () {
   const state = {
     selectedJobId: null,
@@ -113,7 +157,11 @@
   // -------------------------------------------------------------------------
 
   async function requestJson(url, options) {
-    const response = await fetch(url, options);
+    const response = await fetch(url, Object.assign({ credentials: 'same-origin' }, options || {}));
+    if (response.status === 401) {
+      window.location.replace('/login.html');
+      throw new Error('unauthenticated');
+    }
     if (!response.ok) {
       let detail = response.statusText;
       try {

containers/clearview/site/index.html

@@ -32,6 +32,7 @@
       <div class="nav-section">Entra</div>
       <a href="#/scan/entra" class="nav-link" data-route="scan-entra">New Entra Scan</a>
 
+      <a href="#/users" class="nav-link" data-route="users">Users</a>
       <div class="nav-spacer"></div>
       <a href="#/tenants" class="nav-link" data-route="tenants">Tenants</a>
       <a href="#/settings" class="nav-link" data-route="settings">Settings</a>
@@ -46,6 +47,7 @@
       <div class="content-title" id="contentTitle">Dashboard</div>
       <div class="content-actions">
         <button id="refreshJobsBtn" class="btn btn-outline" type="button">Refresh</button>
+        <div class="header-user" id="userBadge"></div>
       </div>
     </header>