Add VictoriaMetrics observability stack + sync catalog for monitoring test

- VM stack 10 charts: victoria-metrics-cluster/auth, victoria-logs-cluster,
  victoria-metrics-agent/alert, opentelemetry-collector, kube-state-metrics,
  prometheus-node-exporter, alertmanager, perses (JWT/OIDC, Infisical-ready)
- ArgoCD ApplicationSet (syncWave) + per-chart dip-values overlays
- doc/victoria-metrics-architecture.md, define-chart-resources updates
- includes pending working-tree changes (mlflow, kubeflow, apisix, CLAUDE.md)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

manifests/helm/kube-state-metrics/7.4.0/templates/serviceaccount.yaml

@@ -0,0 +1,18 @@
+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+automountServiceAccountToken: {{ .Values.serviceAccount.automountServiceAccountToken }}
+metadata:
+  labels:
+    {{- include "kube-state-metrics.labels" . | indent 4 }}
+  name: {{ template "kube-state-metrics.serviceAccountName" . }}
+  namespace: {{ template "kube-state-metrics.namespace" . }}
+{{- if .Values.serviceAccount.annotations }}
+  annotations:
+{{ toYaml .Values.serviceAccount.annotations | indent 4 }}
+{{- end }}
+{{- if or .Values.serviceAccount.imagePullSecrets .Values.global.imagePullSecrets }}
+imagePullSecrets:
+  {{- include "kube-state-metrics.imagePullSecrets" (dict "Values" .Values "imagePullSecrets" .Values.serviceAccount.imagePullSecrets) | indent 2 }}
+{{- end }}
+{{- end -}}