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/management-service/templates/service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: management-service
+  namespace: {{ .Values.namespace }}
+spec:
+  selector:
+    app: management-service
+  ports:
+    - name: grpc
+      port: {{ .Values.grpcPort }}
+      targetPort: {{ .Values.grpcPort }}
+    - name: http
+      port: {{ .Values.httpPort }}
+      targetPort: {{ .Values.httpPort }}
+  type: ClusterIP