feat(openclaw-monitor): add MinIO telemetry

cmd/openclaw-monitor/main.go

@@ -87,6 +87,13 @@ func pollInstances(ctx context.Context, pub *qnats.Publisher, registryPath strin
 			metrics.Backup = backupStatus
 		}
 
+		minioMetrics, err := openclaw.CollectMinIOMetrics(instance.Name)
+		if err != nil {
+			log.Printf("minio collection failed for %s: %v", instance.Name, err)
+		} else {
+			metrics.MinIO = minioMetrics
+		}
+
 		issues := openclaw.DetectIssues(metrics)
 		if anyIssues(issues) {
 			log.Printf("issues detected for %s: %+v", instance.Name, issues)
@@ -121,6 +128,9 @@ func emitEvent(ctx context.Context, pub *qnats.Publisher, instanceName string, m
 	if metrics.Backup != nil {
 		event.Payload["backup"] = metrics.Backup
 	}
+	if metrics.MinIO != nil {
+		event.Payload["minio"] = metrics.MinIO
+	}
 	if metrics.Error != "" {
 		event.Payload["error"] = metrics.Error
 	}