Plex only builds the `Guid` array for the Plex Movie / Plex TV Series
agents. A library still on a legacy agent answers with the scalar `guid`
alone, so `fetchExternalIds` returned nothing for it and every consumer
went quiet: trackers logged "no external IDs" and skipped the write,
manual ratings showed "Not available", the detail screen dropped its
watchlist button, and Continue Watching stopped collapsing duplicate
copies. The reverse lookup already read that scalar; only the forward
path ignored it.
Read both shapes from the one request the method already makes, with the
array winning per field and the scalar filling the rest.
HAMA identifies anime by AniDB id and nothing else, which no id set could
carry. AniDB is the Fribb mapping's own primary key, so it now travels on
`ExternalIds` and indexes those rows directly — 7177 of them expose no
tvdb/tmdb/imdb at all and were unreachable by any other path. Only plain
`anidb-` maps: `anidb2`..`anidb9` group several AniDB entries under one
TVDB-numbered show, so the guid names the root entry only.
Two guards keep the new id where it means something. It is trusted for
season 1, because that mode puts the anime there and its specials in
season 0, while a higher season means the library is numbered by TVDB
instead. And it resolves nothing for Trakt and Simkl, which never map
anime and cannot address an AniDB id, so they keep reporting no ids
rather than failing silently further down. `hasCatalogIds` marks the
callers that can only speak IMDb/TMDB/TVDB.
close#1788
Trakt was the one service outside the tracker abstraction. TraktScrobbleService
re-implemented the whole playback lifecycle beside TrackerCoordinator, and
TraktSyncService pushed watched state from its own WatchStateNotifier
subscription, so the player called two objects at every lifecycle point and one
watch could be written twice. TraktTracker now implements RealtimeScrobbleTracker
like Simkl; the duplicated player call sites collapse to one each, and Trakt
shares the coordinator's ID resolver instead of re-fetching show ids every
episode.
Capabilities are split so a tracker declares what it is rather than being
special-cased: ScrobblePolicy carries each service's own resend/seek rules,
EpisodeHistoryTracker names the remote row a per-item history write targets, and
SeriesProgressTracker covers one-counter-per-series services. Writes from all
four trackers go through a shared TrackerWriteQueue, generalised from the
Trakt-only queue, with the legacy Trakt payload migrated on load. Trakt becomes
the fourth TrackersProvider slot and TraktAccountProvider is deleted, so one
object owns the active session per profile.
Two failure paths found while consolidating are fixed here too.
The queue's retries only ran on profile bind, connect and app foreground, so a
network blip mid-session left queued watches waiting for the next foreground.
OfflineModeProvider now notifies on connectivity changes, not just offline-state
or WiFi-flag changes, and main.dart flushes the queue when the network returns.
The queue also counted every failure toward the five attempts that permanently
drop an item, so a rate limit or a service having a bad hour could discard a
pending watch - the loss the queue exists to prevent. Only an answer about the
write itself now spends an attempt: 4xx counts, while rate limits, 5xx,
recoverable token-refresh failures and requests that never arrived do not. A
back-off answer also defers that service for the rest of the flush, so a queue
holding many rows does not fire all of them at a service that just asked for
quiet.
Simkl only heard about an item once playback crossed the media server's
watched threshold, so stopping partway recorded nothing at all: no resumable
position, no watch. Drive Simkl's /scrobble/start, /pause and /stop from the
player lifecycle instead, carrying the measured progress. Seeks report
nothing, as Simkl asks.
The terminal stop owns watched state for in-player playback, so real-time
trackers are excluded from the threshold markWatched fan-out and one watch
never produces two writes. Progress is reported as measured — it doubles as
the user's resume position — so when a server threshold configured below
Simkl's own 80% rule would leave the watch unrecorded, the tracker records it
through /sync/history rather than inflating progress. Manual, container,
offline-replay and external-player marks keep using /sync/history. Only
/scrobble/stop accepts a 409, which is the sole action documented to return
one.
Reports go out one at a time because Simkl serialises scrobble writes per
user and fails queued ones with a 400; overflow sheds the oldest non-terminal
report so an episode swap cannot drop the previous item's stop. A playback
session is pinned to the account bound when it began and every send re-checks
that binding, so a profile switch or a disconnect/reconnect can neither
redirect a queued report nor misfile the watched fallback.
Also close the paths that lost the terminal report entirely: app exit flushes
it instead of dropping it, the desktop window button goes through the app
shutdown rather than exit(0), a detached VOD player reports a stop, and a
finished item reports completion at EOF instead of waiting for teardown. A
session that opened at 0% is still closed on stop, or Simkl keeps showing the
item as playing until its runtime elapses.
close#1719
Consolidates duplicated logic behind shared implementations — paginated
grid tabs, focus chrome, cached remote stores, sheet selection columns,
the server artifact store and a test fixture layer — and removes code
that had become unreachable. Net reduction of about 5,500 lines with no
behaviour change.
Where a fix had landed separately in code that moved into a shared
helper, the fix was re-applied inside the helper rather than left behind
in the copy that went away.
Deduplicates the hand-rolled coalescing/caching maps, the Plex client cast,
the missing-serverId event guard and the progress-failure backoff, and drops
the MusicPlaybackService availability gate, which could never fail in
production.
Several pairs of near-identical code paths differ in one load-bearing
line. Each site now carries a comment naming the invariant that forces it
apart, backed by a characterization test so a future deduplication fails
loudly instead of silently changing behaviour.
Pinned: focusable wrapper vs. chip D-pad activation policy, profile
connection cleanup's raw-id vs. ServerId-typed server projections, live TV
tab loaders, video player display matching and playback service wiring,
track selection container ordering, tracker HTTP client status ladder, and
the MediaServerHttpClient shutdown/cancellation contract versus
ManagedHttpClient's closing guard.
New tests:
test/focus/dpad_activation_policy_test.dart
test/services/track_selection_container_ordinal_test.dart
test/services/trackers/tracker_status_ladder_test.dart
test/utils/media_server_http_client_shutdown_test.dart
Replace the per-tracker json_serializable session classes and account stores with a shared TrackerSession (service-aware persisted validation), a single TrackerAccountStore, a shared TrackerHttpClient, and an AnimeListTrackerBase mixin for MAL/AniList. Scope the per-service rebind guard so a disconnect can't abort a racing profile load. Add migration-safety, MAL refresh, episode-count cache, and content-type tests.