fix(buzz): stop shipping ingress defaults that cannot be removed

Helm merges annotation maps, so the NGINX proxy timeouts and the nginx class
this chart defaulted to followed every consumer downstream. A Traefik cluster
setting its own annotations still got the nginx ones rendered onto the
Ingress alongside them, with no way to drop them from a values file.

Class and annotations are now empty and belong to the cluster. The README
carries the NGINX timeouts, which matter because the relay's connections are
long-lived WebSockets, and notes Traefik needs nothing extra.

Author: ashish1099

argocd-helm-charts/buzz/README.md

@@ -86,6 +86,26 @@ tracks a newer chart version.
 
 The bucket must not be folded into `buzz.s3.endpoint`; the two are passed separately.
 
+## Ingress
+
+`buzz.ingress.className` and `buzz.ingress.annotations` are deliberately empty. Helm merges annotation
+maps, so a default here would appear on every install and could not be removed downstream — set both
+per cluster.
+
+Relay traffic is long-lived WebSockets. On NGINX raise the timeouts, or connections drop after the
+60s default:
+
+```yaml
+buzz:
+  ingress:
+    className: nginx
+    annotations:
+      nginx.ingress.kubernetes.io/proxy-read-timeout: "3600"
+      nginx.ingress.kubernetes.io/proxy-send-timeout: "3600"
+```
+
+Traefik proxies WebSockets without extra configuration.
+
 ## Relay membership
 
 `buzz.relay.requireRelayMembership` is `false` here, which runs an open relay and needs no operator

argocd-helm-charts/buzz/values.yaml

@@ -82,14 +82,13 @@ buzz:
       size: 10Gi
       # storageClass: ""
 
+  # Class and annotations are left to the cluster: Helm merges annotation maps,
+  # so anything set here leaks into every install and cannot be removed
+  # downstream. See README.md for the NGINX WebSocket timeouts.
   ingress:
     enabled: true
-    className: nginx
-    annotations:
-      cert-manager.io/cluster-issuer: letsencrypt
-      # Relay connections are long-lived WebSockets; the 60s default cuts them.
-      nginx.ingress.kubernetes.io/proxy-read-timeout: "3600"
-      nginx.ingress.kubernetes.io/proxy-send-timeout: "3600"
+    className: ""
+    annotations: {}
     tls:
       - hosts:
           - buzz.example.com