The player's watched-mark on completion keyed off the reactive `id`, which can run ahead of the
media actually playing: when the next episode fails to load (e.g. no local file), loadSession
returns without replacing the <video> source, so the old episode keeps playing and later fires
'ended' — but by then an auto-skip-credits jump has already advanced `id` to the next episode.
The result was the WRONG episode marked watched (and scrobbled to Plex), while the finished one
got nothing. This was latent before, made visible/harmful by the Phase B Plex push.
- go(): pause the outgoing media before switching, so a failed next-episode load can't leave the
old media running into a stray 'ended' against the new id.
- auto-skip-credits (doSkip): mark the CURRENT id watched (captured now) before advancing — binge
advance is a finish, and previously marked nothing.
- onEnded: ignore a spurious 'ended' from media that never played (absRef 0), so a failed next
episode can't be marked or cascade another advance.
Manual Next/Prev still never mark watched (not a finish). Verified live: E06→E07 with a missing
E07 marks E06 watched (+ Plex), E07 nothing.
peter
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