hasHandled
Whether subscription is past stream for good: its progress in the stream's partition (the running worker's watermark, else the saved checkpoint) is at or past the stream's position, and the stream's aggregate is not parked.
Whether subscription is past stream for good: its progress in the stream's partition (the running worker's watermark, else the saved checkpoint) is at or past the stream's position, and the stream's aggregate is not parked.