Start fixing forecast service API 8

shared/clients/training_client.py

@@ -86,19 +86,17 @@ class TrainingServiceClient(BaseServiceClient):
         result = await self.get("models", tenant_id=tenant_id, params=params)
         return result.get("models", []) if result else None
     
-    async def get_latest_model(
+    async def get_active_model_for_product(
         self,
         tenant_id: str,
-        model_type: Optional[str] = None
+        product_name: str
     ) -> Optional[Dict[str, Any]]:
-        """Get the latest trained model for a tenant"""
-        params = {"latest": "true"}
-        if model_type:
-            params["model_type"] = model_type
-        
-        result = await self.get("models", tenant_id=tenant_id, params=params)
-        models = result.get("models", []) if result else []
-        return models[0] if models else None
+        """
+        Get the active model for a specific product
+        This is the preferred method since models are stored per product.
+        """
+        result = await self.get(f"models/{product_name}/active", tenant_id=tenant_id)
+        return result
     
     async def deploy_model(self, tenant_id: str, model_id: str) -> Optional[Dict[str, Any]]:
         """Deploy a trained model"""