Refactor user engagement statistics reporting in broadcast.js

- Enhanced the command table to include unique user logins for improved insights into user activity.
- Updated the structure of the statistics display for better clarity and usability.

These changes improve the depth and accuracy of user engagement reporting.

apache-config-ssl-split.conf

@@ -0,0 +1,73 @@
+<IfModule mod_ssl.c>
+    # 1) Apex-Domain (ypchat.net) liefert NUR Redirect auf www
+    <VirtualHost *:443>
+        ServerName ypchat.net
+
+        Include /etc/letsencrypt/options-ssl-apache.conf
+        SSLCertificateFile /etc/letsencrypt/live/ypchat.net/fullchain.pem
+        SSLCertificateKeyFile /etc/letsencrypt/live/ypchat.net/privkey.pem
+
+        RewriteEngine On
+        RewriteRule ^ https://www.ypchat.net%{REQUEST_URI} [R=301,L]
+    </VirtualHost>
+
+    # 2) Canonical Host (www.ypchat.net) liefert die App
+    <VirtualHost *:443>
+        ServerName www.ypchat.net
+
+        # SSL-Konfiguration
+        Include /etc/letsencrypt/options-ssl-apache.conf
+        SSLCertificateFile /etc/letsencrypt/live/ypchat.net/fullchain.pem
+        SSLCertificateKeyFile /etc/letsencrypt/live/ypchat.net/privkey.pem
+
+        # DocumentRoot (nur fuer statische Dateien wie ads.txt)
+        DocumentRoot /opt/ypchat/docroot
+
+        # Deaktiviere DirectoryIndex, damit Apache keine index.html direkt serviert.
+        # Alle App-Anfragen sollen via Reverse-Proxy an Node.js gehen.
+        DirectoryIndex disabled
+
+        <Directory /opt/ypchat/docroot>
+            AllowOverride None
+            Require all granted
+            Options -Indexes
+        </Directory>
+
+        # Spezielle Regel fuer /ads.txt (muss vor ProxyPass-Ausnahmen stehen)
+        Alias /ads.txt /opt/ypchat/docroot/ads.txt
+        <Location /ads.txt>
+            Require all granted
+        </Location>
+
+        RewriteEngine On
+
+        # Unerwuenschten Query-Parameter entfernen
+        RewriteCond %{QUERY_STRING} ^(.*)&?wtd=UrId0B0tLmuMAK9H&?(.*)$ [NC]
+        RewriteRule ^ %{REQUEST_URI}?%1%2 [R=301,L]
+
+        # WebSocket-Support fuer Socket.IO (vor normalem ProxyPass)
+        RewriteCond %{HTTP:Upgrade} websocket [NC]
+        RewriteCond %{HTTP:Connection} upgrade [NC]
+        RewriteRule ^/socket\.io/(.*) ws://localhost:4000/socket.io/$1 [P,L]
+
+        ProxyPreserveHost On
+
+        # Socket.IO (Polling + WS)
+        ProxyPass /socket.io/ http://localhost:4000/socket.io/
+        ProxyPassReverse /socket.io/ http://localhost:4000/socket.io/
+
+        # Ausnahme fuer direkte statische Datei
+        ProxyPass /ads.txt !
+
+        # Alle anderen Requests an Node.js
+        ProxyPass / http://localhost:4000/
+        ProxyPassReverse / http://localhost:4000/
+
+        ProxyRequests Off
+        ProxyTimeout 300
+
+        # Header fuer Backend / Express
+        RequestHeader set X-Forwarded-Proto "https"
+        RequestHeader set X-Forwarded-Port "443"
+    </VirtualHost>
+</IfModule>