@jamie-bg The requirement was “watch could be configured to continuously monitor your heart rate and sync that data to Suunto App or other service”
that is both there there.
The requirement was not, to do whatever evaluation of trends in the app. (“This would allow one to trend HR data over time”), but possibly anywhere.
Anyway, the latter has then in the discussion come into focus.
As a solution, maybe edit the starting post so the idea becomes clearer to vote for?