Why are deleted Garmin activities still returned?

Garmin's Health API does not publish an activity-deletion event, so once an activity reaches Terra, a later delete in Garmin Connect never reaches us and the…

Garmin's Health API does not publish an activity-deletion event, so once an activity reaches Terra, a later delete in Garmin Connect never reaches us and the record stays.

Activity history is persisted at the Garmin-account level rather than the Terra connection, so disconnect/reconnect on the same Garmin account keeps previously stored activities.

There is no clean-fetch mode today. The workaround is to maintain a local set of summary_ids you have removed and filter them out of incoming payloads.