v0.6.5 various updates

frontend/src/components/HelpModal.jsx

@@ -22,7 +22,6 @@ export default function HelpModal({ onClose, dismissed: initialDismissed }) {
     setDismissed(val);
     try {
       await api.dismissHelp(val);
-      if (val) onClose(); // immediately close when "do not show again" checked
     } catch (_) {}
   };
 

frontend/src/components/Sidebar.jsx

@@ -32,7 +32,9 @@ function useAppSettings() {
 
   useEffect(() => {
     const name = settings.app_name || 'jama';
-    document.title = name;
+    // Preserve any unread badge prefix already set by Chat.jsx
+    const prefix = document.title.match(/^(\(\d+\)\s*)/)?.[1] || '';
+    document.title = prefix + name;
     const logoUrl = settings.logo_url;
     const faviconUrl = logoUrl || '/icons/jama.png';
     let link = document.querySelector("link[rel~='icon']");

frontend/src/components/UserManagerModal.jsx

@@ -91,7 +91,12 @@ function UserRow({ u, onUpdated }) {
             {u.status !== 'active' && <span className="role-badge status-suspended">{u.status}</span>}
             {!!u.is_default_admin && <span className="text-xs" style={{ color: 'var(--text-tertiary)' }}>Default Admin</span>}
           </div>
-          <div style={{ fontSize: 12, color: 'var(--text-secondary)', marginTop: 1, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>{u.email}</div>
+          <div style={{ fontSize: 12, color: 'var(--text-secondary)', marginTop: 1, display: 'flex', alignItems: 'center', gap: 8, flexWrap: 'wrap' }}>
+            <span style={{ overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>{u.email}</span>
+            <span style={{ color: 'var(--text-tertiary)', whiteSpace: 'nowrap', flexShrink: 0 }}>
+              Last login: {u.last_login ? new Date(u.last_login + 'Z').toLocaleString(undefined, { dateStyle: 'medium', timeStyle: 'short' }) : 'Never'}
+            </span>
+          </div>
           {!!u.must_change_password && <div className="text-xs" style={{ color: 'var(--warning)' }}>⚠ Must change password</div>}
         </div>
         <svg