docs: update landing page for May 2026 feature additions

- Feature paragraph: add full presence tracking details, encrypted
  search with load-more buttons, auto-clear status, privacy section
- Custom status row: mention auto-clear timer and 64-char limit
- Encrypted search row: clarify per-room load-more + oldest date
- New row: Online presence tracking (idle/away auto-detection) —
  shows Lotus Chat leads all web Matrix clients on this

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

landing/index.html

@@ -554,7 +554,7 @@
                 </a>
             </div>
             <p class="also-available">
-                Our Lotus Guild fork of Cinny adds: voice message recording (MSC3245, works E2EE), device verification fix (cross-client SAS emoji + inline cards), per-member device session panel with per-device verify buttons, presence status indicators (online/busy/away dots) in member lists, incoming call ring + Answer/Decline (DMs &amp; group chats), GIF picker (Giphy), draggable+resizable picture-in-picture call window, poll display &amp; voting, message forwarding, image/video captions, location sharing (map view + send), deleted message placeholders, per-message read receipt avatars (click for full list with timestamps), screenshare fullscreen button, screenshare audio mute (mute a screenshare's audio without leaving the call), PTT (Push-to-Talk with configurable hold key), custom status messages (shown below usernames in member lists, with emoji support, set in Settings), and the Lotus Terminal design theme.
+                Our Lotus Guild fork of Cinny adds: voice message recording (MSC3245, works E2EE), device verification fix (cross-client SAS emoji + inline cards), per-member device session panel with per-device verify buttons, full Discord-style presence tracking (online on startup, idle/away after 10&nbsp;min inactivity, unavailable when tab hidden, offline on close &mdash; with a &ldquo;Hide Online Status&rdquo; privacy toggle), presence status indicators (online/busy/away dots) in member lists, incoming call ring + Answer/Decline (DMs &amp; group chats), GIF picker (Giphy), draggable+resizable picture-in-picture call window, poll display &amp; voting, message forwarding, image/video captions, location sharing (map view + send), deleted message placeholders, per-message read receipt avatars (click for full list with timestamps), screenshare fullscreen button, screenshare audio mute (mute a screenshare&rsquo;s audio without leaving the call), PTT (Push-to-Talk with configurable hold key), custom status messages with emoji picker + auto-clear timer (30&nbsp;min &ndash; 7&nbsp;days) shown below usernames, encrypted room search via local cache scan with per-room &ldquo;Load more&rdquo; history buttons, a dedicated Privacy settings section (hide typing, hide online status), and the Lotus Terminal design theme.
                 Prefer the unmodified upstream? <a href="https://cinny.in" target="_blank" rel="noopener">cinny.in</a> works with our homeserver &mdash; set it to <code style="font-size:0.8em;color:#e88;">matrix.lotusguild.org</code>.
             </p>
 
@@ -906,7 +906,7 @@
                 </tr>
                 <tr>
                     <td>Message search (encrypted)</td>
-                    <td class="ours"><span class="part">~</span><small>partial, some rooms broken</small></td>
+                    <td class="ours"><span class="part">~</span><small>local cache scan; per-room<br>load-more buttons + oldest date</small></td>
                     <td><span class="part">~</span><small>partial</small></td>
                     <td><span class="no">✗</span></td>
                     <td><span class="part">~</span></td>
@@ -1009,7 +1009,7 @@
                 </tr>
                 <tr>
                     <td>Custom status message<small>shown below username</small></td>
-                    <td class="ours"><span class="yes">✓</span><small>Discord-style; emoji picker,<br>editable in Settings</small></td>
+                    <td class="ours"><span class="yes">✓</span><small>emoji picker, auto-clear timer<br>(30 min – 7 days), 64-char limit</small></td>
                     <td><span class="no">✗</span></td>
                     <td><span class="no">✗</span></td>
                     <td><span class="no">✗</span></td>
@@ -1017,6 +1017,16 @@
                     <td><span class="yes">✓</span><small>via profile settings</small></td>
                     <td><span class="no">✗</span></td>
                 </tr>
+                <tr>
+                    <td>Online presence tracking<small>idle/away auto-detection</small></td>
+                    <td class="ours"><span class="yes">✓</span><small>online on start, idle after 10 min,<br>unavailable when tab hidden,<br>offline on close; hide-status toggle</small></td>
+                    <td><span class="no">✗</span></td>
+                    <td><span class="part">~</span><small>basic online/offline</small></td>
+                    <td><span class="part">~</span><small>basic online/offline</small></td>
+                    <td><span class="part">~</span><small>basic online/offline</small></td>
+                    <td><span class="part">~</span><small>basic; no idle detection on web</small></td>
+                    <td><span class="part">~</span><small>basic online/offline</small></td>
+                </tr>
                 <tr>
                     <td>Push notifications</td>
                     <td class="ours"><span class="part">~</span><small>web push only</small></td>