REFACTOR external service and improve websocket training

infrastructure/kubernetes/base/components/forecasting/forecasting-service.yaml

@@ -82,6 +82,10 @@ spec:
             name: pos-integration-secrets
         - secretRef:
             name: whatsapp-secrets
+        volumeMounts:
+        - name: model-storage
+          mountPath: /app/models
+          readOnly: true  # Forecasting only reads models
         resources:
           requests:
             memory: "256Mi"
@@ -105,6 +109,11 @@ spec:
           timeoutSeconds: 3
           periodSeconds: 5
           failureThreshold: 5
+      volumes:
+      - name: model-storage
+        persistentVolumeClaim:
+          claimName: model-storage
+          readOnly: true  # Forecasting only reads models
 
 ---
 apiVersion: v1