feat: Visualize active iSCSI sessions

dist/adastra-vtl-installer/web-ui/index.html

@@ -404,6 +404,32 @@
                 </div>
             </div>
 
+            <div class="card" style="margin-top: 1rem;">
+                <div class="card-header">
+                    <h3>👥 Active Client Sessions</h3>
+                    <button class="btn btn-primary btn-small" onclick="loadTargets()">
+                        <span>🔄</span> Refresh
+                    </button>
+                </div>
+                <div class="card-body">
+                    <table class="tape-table">
+                        <thead>
+                            <tr>
+                                <th>Target</th>
+                                <th>Initiator Name (Client)</th>
+                                <th>IP Address</th>
+                            </tr>
+                        </thead>
+                        <tbody id="iscsi-sessions-body">
+                            <!-- JS populates this -->
+                        </tbody>
+                    </table>
+                    <div id="no-sessions-msg" class="alert alert-info" style="display: none; margin-top: 0.5rem;">
+                        No active sessions found.
+                    </div>
+                </div>
+            </div>
+
             <div class="card" style="margin-top: 1rem;">
                 <div class="card-header">
                     <h3>➕ Create New Target</h3>