added preheating

docs/flows.md

@@ -123,6 +123,16 @@ flow.update_config(
     This config will only affect new flow items and not modify existing ones.
 
 
+### Preheating
+
+If you need low-latency responses for upcoming flow items, you can preheat the system beforehand:
+
+```python
+client.flow.preheat()
+```
+
+This warms up internal resources so that subsequent flow batches are processed faster. Call it before submitting time-sensitive batches.
+
 ### Retrieving Existing Flows
 
 You can retrieve flows by ID or list your recent flows:

src/rapidata/rapidata_client/flow/rapidata_flow_manager.py

@@ -139,6 +139,12 @@ def find_flows(
                 for flow in response.items
             ]
 
+    def preheat(self) -> None:
+        """Preheat the boost system to reduce latency for upcoming flow items."""
+        with tracer.start_as_current_span("RapidataFlowManager.preheat"):
+            logger.debug("Preheating boost")
+            self._openapi_service.campaign.campaign_api.campaign_boost_preheat_post()
+
     def __str__(self) -> str:
         return "RapidataFlowManager"