feat: add labels

public/deploy-button-test.html

@@ -147,7 +147,8 @@
                 ip: `192.168.1.${100 + nodeCount}`,
                 hostname: `TestNode${nodeCount}`,
                 status: 'active',
-                latency: Math.floor(Math.random() * 50) + 10
+                latency: Math.floor(Math.random() * 50) + 10,
+                labels: nodeCount % 2 === 0 ? { app: 'demo', role: 'worker' } : { device: 'sensor', zone: `Z${nodeCount}` }
             };
             testNodes.push(newNode);
             displayClusterMembers();
@@ -185,6 +186,7 @@
                             ${statusIcon} ${statusText}
                         </div>
                         <div class="member-latency">Latency: ${node.latency}ms</div>
+                        ${node.labels ? `<div class=\"member-labels\">${Object.entries(node.labels).map(([k,v]) => `<span class=\\\"label-chip\\\">${k}: ${v}</span>`).join('')}</div>` : ''}
                     </div>
                 `;
             }).join('');