The 10 s tick in flight when the player finishes (or a refusal rollback whose state write in fact
committed) wrote its mid-item position onto the freshly watched row and scheduled a resume push
after the scrobble, so Plex showed the item in progress again. The checkpoint is now a conditional
write that skips a row marked watched in the last 30 s and answers like a finish; a rewatch past
that is checkpointed as before. Marking an item (or a season/show) watched also supersedes resume
pushes still in flight, as the near-end finish already did.
peter
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