feat(processmonitor): Add CPU monitoring and display CPU in process list

ts/daemon/processmanager.ts

@@ -438,6 +438,13 @@ export class ProcessManager extends EventEmitter {
           info.uptime = uptime;
         }
         
+        // Update memory and cpu from latest monitor readings
+        info.memory = monitor.getLastMemoryUsage();
+        const cpu = monitor.getLastCpuUsage();
+        if (Number.isFinite(cpu)) {
+          info.cpu = cpu;
+        }
+        
         // Update restart count
         info.restarts = monitor.getRestartCount();