SDK should try to check if activity is completed before sending last buffered heartbeat

[tsurdilo]

Feature request is for SDKs to try to check if activity completed or timed out before sending last buffered heartbeat. Currently this check is not done which can cause noice in the temporal_request_failure metric

[cretz]

Can you give some more details of the scenario? How can SDK know if an activity is completed or timed out server side before sending the heartbeat? All SDK knows is whether cancel_requested was set on the last heartbeat attempt, SDK can't know if the heartbeat will be rejected ahead of time unless there is a specific scenario you're thinking of that I am forgetting (also feel free to bring up internally if that's easier for you for back-and-forth).