k8s/messaging: add kafka kmsvc and temporal workflows

- Kafka 3-broker cluster (RF=3, min-ISR=2)
- kmsvc SQS-like API on Kafka
- Redis dedup (standalone, can extend to HA)
- Temporal workflow orchestration (Cassandra backend)

k8s/sqs/charts/queue-crd/templates/rbac.yaml

@@ -0,0 +1,42 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: queue-operator
+  namespace: {{ .Values.namespace }}
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: queue-operator
+rules:
+  - apiGroups: ["kmsvc.io"]
+    resources: ["queues"]
+    verbs: ["get", "list", "watch", "update", "patch"]
+  - apiGroups: ["kmsvc.io"]
+    resources: ["queues/status"]
+    verbs: ["get", "update", "patch"]
+  - apiGroups: ["kmsvc.io"]
+    resources: ["queues/finalizers"]
+    verbs: ["update"]
+  - apiGroups: ["coordination.k8s.io"]
+    resources: ["leases"]
+    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
+  - apiGroups: [""]
+    resources: ["events"]
+    verbs: ["create", "patch"]
+  - apiGroups: [""]
+    resources: ["pods", "nodes"]
+    verbs: ["get"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: queue-operator
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: queue-operator
+subjects:
+  - kind: ServiceAccount
+    name: queue-operator
+    namespace: {{ .Values.namespace }}