fix: add sops decryption to hugo, remove invalid alertmanager snippet

clusters/homelab/apps/hugo.yaml

@@ -10,3 +10,7 @@ spec:
   sourceRef:
     kind: GitRepository
     name: flux-system
+  decryption:
+    provider: sops
+    secretRef:
+      name: sops-age

clusters/homelab/infrastructure/alertmanager-jarvis-receiver.yaml

@@ -1,40 +0,0 @@
-# Ergaenze deine bestehende Alertmanager-Konfiguration um diesen Receiver.
-# Einzufuegen in: clusters/homelab/infrastructure/kube-prometheus-stack/
-# (wo du Alertmanager konfigurierst — z.B. values.yaml oder alertmanager-config.yaml)
-
-# alertmanager.yaml Receiver-Abschnitt:
-receivers:
-  - name: "jarvis-webhook"
-    webhook_configs:
-      - url: "http://n8n.n8n.svc.cluster.local:5678/webhook/prometheus-alert"
-        send_resolved: true
-        max_alerts: 10
-
-route:
-  receiver: "jarvis-webhook"
-  group_by: ["alertname", "namespace"]
-  group_wait: 30s
-  group_interval: 5m
-  repeat_interval: 4h
-
-  routes:
-    # Critical: sofort, kein Grouping-Delay
-    - matchers:
-        - severity="critical"
-      receiver: "jarvis-webhook"
-      group_wait: 0s
-      repeat_interval: 1h
-
-    # High: 30 Sekunden warten, dann senden
-    - matchers:
-        - severity="high"
-      receiver: "jarvis-webhook"
-      group_wait: 30s
-      repeat_interval: 2h
-
-    # Warning/Info: normale Rate, nicht zu oft
-    - matchers:
-        - severity=~"warning|info"
-      receiver: "jarvis-webhook"
-      group_wait: 2m
-      repeat_interval: 6h