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41 commits

Author SHA1 Message Date
8718175bae Fix playstate 400 "Value cannot be null": missing PlaySessionId
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Real request logged after the last fix (MediaSourceId in the query
string) shipped: still a 400, now Emby's own "Value cannot be null.
(Parameter 'key')" - a bare .NET Dictionary null-key exception, not
the earlier problem (MediaSourceId was present and well-formed in the
logged request).

This exact message already burned this app once before, in
CatalogService.negotiateStreamTarget's hand-built fallback URL (see
its own long-standing TODO(verify) comment) - diagnosed there as Emby
indexing some internal state by a parameter the request hadn't
supplied. PlaySessionId is the standout remaining candidate: it's how
Emby/Jellyfin clients normally correlate a progress report with the
specific playback/transcode session it belongs to, and evidently
Emby's real Progress handler keys a lookup on it even though the
OpenAPI spec doesn't mark it required.

Fixed the same way MediaSourceId was: CatalogService
.negotiateStreamTarget already reads info.PlaySessionId from the same
PlaybackInfo response (it already used it in the hand-built fallback
URL) - its return type just needed to surface it too. PartyStreamService
now caches it alongside mediaSourceId and exposes both together from
one accessor, getCachedPlaybackIds(partyId), replacing the
round-1 getCachedMediaSourceId. PlaystateService.reportProgress and
index.ts's sweep both thread it through.

Not independently confirmed against a real server yet (no safe way to
fire a real, state-mutating test call without one) - flagged in
docs/architecture.md the same way every other real-server-dependent
guess in this app is, but grounded in this app's own prior confirmed
diagnosis of the identical error message rather than a fresh guess.

Updated catalogService.test's negotiateStreamTarget assertions to
cover playSessionId in both return branches, partyStreamService.test's
mocks/assertions for the new {mediaSourceId, playSessionId} cache
shape, and playstateService.test's request-shape and logging
assertions for the extra PlaySessionId param. Full typecheck/test/build
green (96/96 tests). docs/architecture.md and README.md updated.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 22:56:54 +02:00
e6d71f2e37 Log the playstate sweep's own requests, not just its failures
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Follow-up to the last fix (wrong Progress param shape): now that the
request shape is corrected, the obvious next question is "is it
actually being sent right, and is Emby accepting it" - answered from
the logs alone, without cross-referencing anything else.

PlaystateService.reportProgress now logs the exact outgoing request
right before sending it (method, path, query string - everything
actually sent) and its outcome right after (the real HTTP status and
whether it was ok, or that the call threw), all under
[watchparty:playstate]. EmbyClient's own generic [watchparty:emby]
failure log still fires too, independently, with the fuller error
body - this is a second, feature-scoped log so `docker logs | grep
watchparty:playstate` alone shows the whole story for this specific
sweep.

Deliberately safe to log the full path: the query string here is only
ever MediaSourceId/PositionTicks/IsPaused, never a token - the real
embyToken travels as a header, not the URL - unlike Logger.stream's
own request logging, which stays partial specifically because Emby's
own TranscodingUrl can carry an api_key.

Tests: request logging (path/params present, token absent), and
outcome logging for a success, a non-ok status, and a thrown error
each producing a distinct line. Full typecheck/test/build green
(96/96 tests). docs/architecture.md updated.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 22:42:49 +02:00
55e8b8b378 Fix Emby playstate sync: wrong param shape, confirmed against real API
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Checked the app's Emby-API assumptions directly against Emby's own
real OpenAPI spec (swagger.emby.media, pointed at a real server) after
a "watch status per user seems broken" report.

PlaystateService.reportProgress was wrong: POST
/Users/{UserId}/PlayingItems/{Id}/Progress does exist at that exact
path, but the spec declares PositionTicks/IsPaused as *query string*
parameters, not body fields - and a third parameter, MediaSourceId, is
*required* and wasn't being sent at all. The request body schema this
endpoint does list (Api.OnPlaybackProgress) covers unrelated fields
(PlaylistIndex/Shuffle/SleepTimerMode/...), none of these. So the
original guess sent PositionTicks/IsPaused somewhere Emby never reads
them, while omitting a parameter required just to accept the call -
almost certainly meaning every progress report was failing outright,
silently (best-effort by design, so nothing broke loudly).

Fixed: reportProgress now sends MediaSourceId/PositionTicks/IsPaused
as query parameters, no body at all. MediaSourceId comes from
PartyStreamService's own cache - CatalogService.negotiateStreamTarget
already resolves a real one for every party's shared stream
negotiation, so PartyStreamService now caches it alongside the target
path (negotiateStreamTarget's return type changed from a bare string
to {targetPath, mediaSourceId}) and exposes it read-only via a new
getCachedMediaSourceId(partyId) - deliberately passive, never triggers
a negotiation of its own, so a party where no one has started
playback yet this session simply has nothing to report; index.ts's
sweep skips it rather than paying for an extra PlaybackInfo round trip
every tick just for this.

While checking this, the other two flagged Emby-API assumptions (the
ffmpeg direct-stream URL, the /Playlists/{Id}/Items endpoint) were
re-checked against the same real spec too - both already correct, no
missing required parameter, consistent with them having been tried
for real successfully before.

Updated the 5 negotiateStreamTarget call sites in catalogService.test
to read the new {targetPath, mediaSourceId} shape, the 7
negotiateStreamTarget mocks in partyStreamService.test to return it
(plus 2 new tests: cache exposes mediaSourceId, a failed response
drops it too), rewrote playstateService.test's request-shape
assertions for query params instead of a body, and re-pointed
embyClient.test's generic body-encoding test at an arbitrary example
instead of implying it's still PlaystateService's real shape.

Verified: full typecheck/test/build (92/92 tests). docs/architecture.md
and README.md updated - the "Sync watch-party progress back to Emby"
section now documents the confirmed-wrong-then-fixed shape instead of
a standing TODO(verify), and README's "Not verified" paragraph moves
this (and the other two, now-confirmed) assumptions to "Resolved".

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 21:11:32 +02:00
4efcd67fb3 Sync text subtitle choice too, and fix an empty audio option
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Bug report: watch party members still didn't have synced subtitle
settings, and the audio/language selector showed an empty choice on
first load.

Text subtitles were the gap left by the previous "one shared stream
per party" change: that made audio/quality/burn-in host-only and
party-wide, but a plain text subtitle pick (the common case - burn-in
only applies to bitmap PGS/VobSub/DVB tracks) was still each viewer's
own local <track> choice. Once people actually watched together,
"everyone but me changed the subtitle" read as broken sync.

Fixed with a parallel mechanism, not a merge into burnInSubtitleIndex -
new Party.textSubtitleIndex, new setTextSubtitle/textSubtitleChanged
socket pair, mirroring setBurnInSubtitle/burnInChanged's host-only,
request/broadcast/react shape exactly. Kept separate from burn-in
(rather than reusing one field for both) to avoid touching the
already-proven burn-in path - only one subtitle can show at once, so
the two are mutually exclusive, enforced server-side in both
directions: a real pick on either clears the other. Clearing one to
null/"Aucun" is deliberately not treated as a pick for this purpose,
so it doesn't clobber an unrelated choice in the other field.

Mechanically the two still work nothing alike: burn-in changes the
actual encoded stream (ffmpeg), so it reloads for everyone; a text
pick only swaps which native <track> each member already renders
locally - no reload, no transcode, unless it's the one clearing an
active burn-in, which does still need the reload since the stream
itself changes back to the normal shared one.

Player.ts's subtitle <select> gating stopped being conditional on
burn-in - it's simply host-gated now, matching audio/quality, and its
value restores from whichever kind of pick (if any) the party
currently has.

Second, unrelated bug in the same report: audioSelect.value =
streamAudioIndex || '' assigned an empty string whenever no audio
track had been picked yet (the common default) - since a real
audio-track <option> never has value="", this matched nothing and
left the select at selectedIndex=-1, a genuinely empty-looking choice.
Fixed at both call sites (loadTrackOptions, onStreamOptionsChanged) by
only assigning .value when truthy.

Server: SocketGateway tests cover setTextSubtitle's host-only gating,
broadcast, music no-op, and mutual exclusivity in both directions;
PartyService tests cover textSubtitleIndex through create/
advanceQueue/toPublicState. Full typecheck/test/build green on both
projects (91/91 server tests). Real-browser check (mocked-fetch + real
bundle) confirmed: a follower's subtitle select renders disabled
regardless of burn-in state; a host's select restores the party's
current text or burn-in pick on load; and the audio select now lands
on a real first option instead of an empty one.

Not addressed here (raised in the same report, need more diagnostic
detail first): occasional sync losses between clients, and a
suspicion that per-user watch-status (Emby PlaystateService sync)
might be broken.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 20:41:02 +02:00
f78b2f1408 One shared Emby stream per party, not one per viewer
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Asked for directly: exactly one stream should ever be open between this
app and Emby per party, no matter how many members it has. Before this,
every viewer's own <video>/<audio> independently negotiated its own
PlaybackInfo and got its own PlaySessionId - a party of 5 meant Emby
transcoding the same title 5 separate times.

A bigger, higher-regression-risk change than most of this session's
other work: it replaces the core playback path every existing party
already relies on (CatalogService.proxyStream and its route are gone
entirely) rather than adding something alongside it - there's no other
consumer of the per-viewer path, and the ask was explicit that there
should only ever be one mechanism.

- server/src/services/CatalogService.ts: proxyStream's negotiate-then-
  build-a-target logic extracted into negotiateStreamTarget(session,
  itemId, isAudio, audioStreamIndex, maxStreamingBitrate) - identical
  logic, returns the target instead of proxying it directly so it can
  be cached. proxyStream/proxyRawStreamAsset removed.
- server/src/services/PartyStreamService.ts (new): one negotiated
  target per party.id, reused by every member; renegotiates when the
  desired item/audio/quality changes. Recovers from a dead upstream
  session with no new plumbing - EmbyClient.proxyResponse already sets
  res.statusCode before writing the body, so a failed proxied response
  is detected right after it resolves and the cache entry is dropped,
  so the next request (a manual retry, or the next segment fetch)
  renegotiates fresh instead of repeating the same dead target forever.
- server/src/emby/EmbyClient.ts: rewritePlaylist/proxyResponse's
  trailing itemId param genericized to routeKey - it's only ever read
  back to build the raw-asset URL, so it's party.id for the new stream
  routes and an inert real itemId for proxyImage/proxySubtitle (which
  never reach that branch anyway).
- server/src/index.ts: GET /api/catalog/party-stream/:partyId/
  master.m3u8 and .../raw replace /api/catalog/stream/:itemId/...
  entirely, membership-checked like the burn-in routes; a new idle-reap
  interval for PartyStreamService, same shape as TranscodeService's own.
- Forced consequence of "one stream", not a free design choice: audio
  track/quality become a host-only, party-wide choice for video -
  Party.streamAudioIndex/streamQuality, setStreamOptions/
  streamOptionsChanged, byte-for-byte the same shape
  setBurnInSubtitle/burnInChanged already established for burn-in
  subtitles. server/src/realtime/SocketGateway.ts gains the host-only,
  video-only handler; server/src/services/PartyService.ts resets
  streamAudioIndex (not streamQuality - a bandwidth preference isn't
  item-specific) on advanceQueue, same reasoning as burnIn* already
  gets; MusicQueueService.playNext ends the party's cached session on
  a track change.
- client/src/api/embyApi.ts: streamUrl/audioStreamUrl replaced by one
  partyStreamUrl(partyId) - no query params needed any more, the party
  itself is the source of truth for what it's streaming.
- client/src/api/party.ts: setStreamOptions/onStreamOptionsChanged.
- client/src/views/player/Player.ts: audio/quality <select>s disabled
  for a follower (applyStreamOptionsGating, mirroring
  renderSubtitleOptions' own gating), restore the party's current
  choice on load/broadcast, and a host's change calls setStreamOptions
  instead of reloading locally - every member (host included) only
  ever reacts to the resulting broadcast, same discipline the rest of
  this player already uses. Dead reloadWithCurrentOptions removed.
- client/src/musicBar/MusicBar.ts: loadTrack points at
  partyStreamUrl(activePartyId) - no picker to gate, MusicBar never had
  one.
- server/test/catalogService.test.ts: proxyStream's old cases moved to
  exercise negotiateStreamTarget instead, plus new quality-override and
  no-source-fails cases. server/test/partyStreamService.test.ts (new):
  cache hit/miss/param-change/item-change, the failure-invalidation
  path, endSession, idle reap. server/test/socketGateway.test.ts:
  setStreamOptions host-only gating + broadcast, mirroring the existing
  setBurnInSubtitle tests.
- docs/architecture.md, README.md: design, the forced audio/quality
  trade-off spelled out, and what's still unverified (a different kind
  than this session's other Emby-API guesses - the calls themselves
  were already live code, what's untested is real multi-viewer load).

Verified: full typecheck+test+build on both projects (85/85 server
tests, 12 new). A real-browser check (mocked-fetch + real bundle, this
session's standing harness) confirmed a follower's audio/quality
selects render disabled and a host's render enabled, from the same
party data with only youAreHost flipped.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 20:05:34 +02:00
11f003d269 Sync watch-party progress back to Emby (PlaystateService)
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This app has been read/proxy-only toward Emby so far. Queued right
after the playlist feature, asked for directly: while someone's in a
party, push their progress to Emby's own PlaystateService, so their own
Emby library (resume position, last-played state) stays in sync with
the watch/listen party, under their own account - not just the host's,
and not just this app's own memory of it.

Scoped to periodic progress reporting only for v1 - no explicit
start/stop calls (Emby's own "now playing" list won't show this app's
streams, and "mark fully watched" isn't guaranteed the way a clean Stop
near 100% would trigger it). Steady Progress calls alone already cover
the actual ask; wiring clean start/stop into every transition (item
change, leave, party destroy, a device takeover) is real complexity for
a secondary payoff - left as a documented follow-up.

- server/src/types.ts: PartyMember gains embyToken (null until known,
  same shape as this session's own deviceId addition) - never sent to
  the client, toPublicState's member mapping doesn't grow it.
- server/src/emby/EmbyClient.ts: fetch() now optionally takes
  method/body (JSON-encoded once, here) - every existing GET-only call
  site unaffected, both are optional.
- server/src/services/PlaystateService.ts (new): reportProgress(token,
  userId, itemId, positionTicks, isPaused) - POSTs to
  /Users/{userId}/PlayingItems/{itemId}/Progress. Catches and logs its
  own failures (new Logger.playstate) rather than throwing - this runs
  on a timer with nothing to catch a rejection, and one bad token or a
  transient Emby hiccup must never touch real playback.
- server/src/services/PartyService.ts: new setMemberEmbyToken (records
  a member's own token) and getCurrentPlaybackState (video: the host's
  own tracked position - there's no per-follower tracking today, a
  reasonable approximation given the player's own drift correction;
  music: the one shared, server-authoritative position every member
  already sees the same way). The one real piece of logic here is pure
  and unit-tested on its own, same shape as this session's
  absoluteToRelativeIndex/splitPlaylistByMediaType.
- server/src/realtime/SocketGateway.ts: attach()'s getSession callback
  widened to expose embyToken - it was already being passed the full
  EmbySession (AuthService.getSession), just typed down to {userId,
  userName} before anything downstream could read the rest. The "join"
  handler now also records member.embyToken alongside deviceId.
- server/src/index.ts: setMemberEmbyToken called after each of the 4
  REST create/join call sites, so a member has a valid token from the
  moment they're a member, not only once their socket first connects.
  New ~20s setInterval (same shape as the existing removeIdleParties/
  TranscodeService.reapIdleSessions timers): for every active party,
  getCurrentPlaybackState once, then reportProgress for every connected
  member with a known token.
- server/test/embyClient.test.ts, partyService.test.ts,
  playstateService.test.ts (new): the new body-encoding path (and that
  a plain GET stays untouched), getCurrentPlaybackState's video/music/
  empty branches, setMemberEmbyToken, and that reportProgress's request
  shape is right and a thrown failure never propagates.
- docs/architecture.md, README.md: design + the deliberate v1 scope and
  the follower-position approximation spelled out.

No client changes - this is a pure server-side background process with
nothing for the browser to render or react to.

Verified: full typecheck+test+build on both projects (71/71 server
tests, 9 new). No Emby server is reachable from this dev environment,
so the actual endpoint/body shape is unverified end-to-end - flagged
explicitly in the docs, the third such Emby-API assumption this session
(after the ffmpeg direct-stream URL and the Playlists endpoint, both
fine once actually tried).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 19:21:16 +02:00
b45a243e59 Browse Emby playlists and launch one as a pre-queued party
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Queued right after the ffmpeg burn-in work, asked for directly: see
what's inside a playlist, and launch it - pre-queued with the whole
thing, the same "one click, the rest queues itself" shape starting from
an episode already gets for its series.

- server/src/services/CatalogService.ts: VISIBLE_COLLECTION_TYPES gains
  'playlists' - Emby's /Views already returns that CollectionType once
  the user has any, so it appears in the sidebar through the exact same
  code every other library already uses, nothing else needed there. New
  getPlaylistItemsRaw/getPlaylistItems (Emby's own /Playlists/{id}/Items,
  mirroring getSeriesEpisodes/getAlbumTracks). New exported
  splitPlaylistByMediaType: a playlist can mix movies/episodes and songs,
  this app's party model can't - decides video vs music from the first
  item's type and drops anything that doesn't match (logged when it
  does) - pure, unit-tested on its own.
- server/src/index.ts: new GET /api/catalog/playlists/:playlistId/items
  route. POST /api/parties gains a sibling early branch for
  item.Type === 'Playlist' (a new createPartyFromPlaylist helper,
  deliberately NOT merged into the existing single-item path, which
  didn't need touching) - builds a video QueueItem[] exactly like the
  episode-queue path already does, or seeds MusicQueueService.init +
  addTrack per track for a music result, the same mechanism
  POST /api/parties/:id/tracks already uses.
- client/src/tiles.ts: one more DRILL_DOWN entry (Playlist -> its own
  page) - a playlist was never directly streamable, same as
  Series/MusicArtist/MusicAlbum before it.
- client/src/api/embyApi.ts: getPlaylistItems(). No new API for
  *launching* one - createParty(playlistId) already does everything,
  same as clicking any other item; the server decides what it means.
- client/src/views/playlist/Playlist.{ts,html,css} (new): a playlist's
  contents, read-only past the one "Lancer cette playlist" button -
  deliberately no per-item start/add the way album tracks or episode
  rows get (an Emby item carries no back-reference to "which playlist
  contains me" the way an Episode's SeriesId does, so "start from item
  N, queue the rest of the playlist" isn't cheaply reconstructable the
  same way - not asked for here anyway). The launch button branches on
  the created party's mediaType, same check Player.ts's own dispatcher
  already makes.
- client/src/app.ts: registers /playlist/:id.
- server/test/catalogService.test.ts: the new methods' target
  URL/mapping, plus splitPlaylistByMediaType's own tests (homogeneous
  video, homogeneous music, mixed, empty).
- docs/architecture.md, README.md: design + the scope decision (no
  per-item actions) spelled out.

Verified: full typecheck+test+build on both projects (62/62 server
tests). The new page driven through the same mocked-fetch + real-bundle
harness used throughout this session, in a real browser: header/meta/
item list render correctly from mocked catalog data (including the
sidebar showing "Playlists" once a mocked library declares that
CollectionType), and clicking "Lancer cette playlist" reaches
POST /api/parties with the right id and correctly routes into the video
player for a video result. Actual playback past that point still needs
a real Emby server - same standing caveat as the rest of this app.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 19:04:31 +02:00
26da8fc5dc Self-hosted ffmpeg pipeline for PGS (image) subtitle burn-in
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Asked for directly, right after the client-side <track> redesign closed
every *text* subtitle case: PGS/VobSub/DVB subtitles (Blu-ray/DVD rips)
are bitmaps, not text - there's nothing for Emby's Stream.vtt conversion
to extract, so a native <track> fundamentally can't render one. Rather
than keep asking Emby's own transcode to burn these in (the exact thing
that kept failing in earlier sessions - missing fontconfig, then an
unrelated "Error starting ffmpeg"), this runs ffmpeg ourselves: a PGS
stream decodes like a second video track, and ffmpeg's `overlay` filter
composites it directly - no text rendering, no libass, no fontconfig
anywhere in this path.

One shared stream per PARTY, not per viewer - explicitly asked for after
the initial plan: every member plugs into the exact same server-emitted
stream, mirroring "host drives, everyone follows" rather than a
per-viewer model. Picking a burn-in subtitle is therefore a host-only,
party-wide choice, like play/pause/next already are.

- server/src/services/TranscodeService.ts (new): one ffmpeg session per
  partyId. getOrStartSession negotiates PlaybackInfo (via the new
  CatalogService.getMediaSource), converts Emby's absolute
  MediaStreams[].Index into ffmpeg's type-relative 0:s:N/0🅰️N
  (absoluteToRelativeIndex - pure, unit-tested), and spawns ffmpeg
  against Emby's own direct/static file endpoint (TODO(verify) - no
  Emby server reachable from this dev environment, see the function's
  own comment). Output is real progressive HLS to a temp dir, served by
  two new routes that poll briefly for the next file. endSession/
  reapIdleSessions handle teardown; PartyService's destroy path and
  advanceQueue both end a party's session immediately, the idle sweep
  is the backstop.
- server/src/services/PartyService.ts: Party/PartyPublicState gain
  burnInSubtitleIndex/burnInAudioIndex (null together = no burn-in);
  advanceQueue clears them (a new item's indices mean nothing on the
  old one).
- server/src/realtime/SocketGateway.ts: new host-only "setBurnInSubtitle"
  handler broadcasting "burnInChanged" - same shape as "next"/
  "itemChanged".
- server/src/services/CatalogService.ts: new getMediaSource() (id/
  container/streams together - what TranscodeService needs); extended
  the local PlaybackInfoResponse type with Container.
- server/src/Logger.ts: new Logger.transcode().
- server/src/index.ts: GET /api/catalog/burn/:partyId/master.m3u8 and
  .../:segment (membership-checked, same pattern as the party REST
  routes); a dedicated idle-reap interval for TranscodeService.
- server/Dockerfile: `apk add ffmpeg` in the runtime stage - no font
  packages needed, unlike Emby's own text-subtitle burn-in.
- client/src/api/party.ts, client/src/api/embyApi.ts: setBurnInSubtitle/
  onBurnInChanged on PartyConnection, burnInStreamUrl().
- client/src/views/player/Player.{html,css,ts}: the subtitle picker's
  image-track options go from unconditionally disabled to host-only
  selectable, labeled to say picking one restarts the stream for
  everyone. Every member (host included) only ever reacts to the
  resulting "burnInChanged" broadcast - never applies a pick
  optimistically, same discipline the rest of the player already uses.
  Audio/quality are disabled while a burn-in is active (one fixed
  encode); a follower's subtitle select is disabled too (nothing left
  for them to meaningfully pick).
- server/test/transcodeService.test.ts (new): absoluteToRelativeIndex,
  session start/reuse/replace, endSession, reapIdleSessions -
  child_process.spawn mocked via a small explicit test seam
  (setSpawnForTesting), never invoking a real ffmpeg binary.
- server/test/socketGateway.test.ts, partyService.test.ts,
  catalogService.test.ts: host-only gating + broadcast for
  setBurnInSubtitle, advanceQueue's reset, toPublicState exposing the
  new fields, getMediaSource.
- docs/architecture.md, README.md: design + an explicit "assumptions to
  verify" note (the direct-source URL shape, first and foremost).

Verified: full typecheck+test+build on both projects (56/56 server
tests). No Emby server or ffmpeg binary is reachable from this dev
environment, so the actual command against a real PGS file is
unverified - flagged explicitly in the docs, same "TODO(verify)" spirit
already used elsewhere in this codebase for an Emby response shape that
can't be checked locally.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 18:05:08 +02:00
daab755ce9 Device detection: confirm before disconnecting another device
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Asked for directly: "same account, same device already in the party"
should never need a confirmation, "same account, a genuinely different
device" should ask before disconnecting it instead of silently
overwriting. There was no concept of "device" at all before this -
party.members is keyed by userId only.

- client/src/deviceId.ts (new): a UUID kept in localStorage (not
  sessionStorage) - that's what makes "device" mean "browser", not
  "tab". Falls back to an in-memory id if storage is unavailable.
- server/src/types.ts, client/src/api/party.ts: "join" now carries
  {partyId, deviceId, force?} instead of just {partyId}; new
  PartyMember.deviceId and "deviceConflict" server->client event (sent
  only to the joining socket, never broadcast).
- server/src/realtime/SocketGateway.ts: the "join" handler now tells
  three cases apart - no existing connection or the same deviceId
  reconnecting (attach silently, booting any stale connection for that
  same device first), a different deviceId with no force (emit
  deviceConflict and stop - the socket stays connected but inert), or
  force:true (the confirmed takeover - boot the old connection, take
  the slot).
- server/src/services/PartyService.ts: join() is now idempotent -
  returns the existing member instead of always building a fresh one.
  This was itself a real bug independent of the guard below: the REST
  "Rejoindre" route calls this every time regardless of membership, so
  a re-click/reload/retry used to silently reset connection/isPaused/
  deviceId.
- server/src/realtime/SocketGateway.ts: "leave"/"disconnect" now also
  check party.members.get(userId)?.connection === socket before acting
  - generalizes the earlier stale-connection crash fix to the new
  reality where a member can have more than one connection attempt in
  flight (the superseded one's own eventual "disconnect" must not be
  read as a real leave).
- client/src/views/player/Player.ts, client/src/musicBar/MusicBar.ts:
  onDeviceConflict wired to a plain confirm() - yes calls the new
  PartyConnection.confirmDeviceTakeover() (re-sends "join" with
  force:true), no backs out (navigate home for video, leaveMusicParty
  for music).
- Deliberately does NOT change the home page's live party list itself
  (still just "Rejoindre" either way) - LobbyPartyDto is one snapshot
  shared by the whole "lobby" room with no per-viewer membership info,
  and giving it that is a real protocol change on its own. For video
  the conflict check above already is the meaningful moment (you can't
  be looking at the home page from inside your own party on the same
  tab - the player is a full-screen takeover), so this doesn't cost
  the feature much: Rejoindre reaches the check immediately, same
  device reconnects silently, a different device asks first. See
  docs/architecture.md for the fuller reasoning.
- server/test/socketGateway.test.ts, server/test/partyService.test.ts:
  new tests for the conflict/takeover/reconnect paths and join()'s
  idempotency; the earlier stale-connection crash regression test
  updated to reach the same shared-slot shape through a real device
  takeover instead of a raw PartyService.join() call (which no longer
  reproduces it now that join() is idempotent).

Verified: full typecheck+test+build on both projects (39/39 server
tests passing); confirmed the "leave"/"disconnect" guard is load-
bearing by temporarily reverting it and watching the new takeover test
fail, then restoring it; deviceId.ts's localStorage persistence
checked against the real compiled bundle in a real browser (survives
a reload, stable across calls).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 17:32:21 +02:00
c14d0bc08b Replace avatar-click with a request toolbar; add "request resume"
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Asked for directly: a visible bottom toolbar for non-host members
instead of clicking your own small avatar circle (never a very
discoverable affordance), and a second request alongside pause -
"please resume".

- server/src/types.ts, server/src/realtime/SocketGateway.ts: new
  requestResume/resumeRequested, byte-for-byte the same shape and
  handler pattern as requestPause/pauseRequested, independently
  throttled (its own lastResumeRequestUtc - not a shared budget with
  pause). Kept as a plain broadcast signal, same as pause always was -
  no accept/deny state tracked server-side, the host sees the same
  banner/avatar highlight as everyone else and acts with their own
  existing controls.
- client/src/api/party.ts, client/src/types.ts: requestResume() on
  PartyConnection, onResumeRequested callback, a ResumeRequestedMsg type
  (same shape as PauseRequestedMsg, kept separate so a callback's own
  signature says which request it's for).
- client/src/views/player/Player.{html,css,ts}: the avatar is presence-
  only now (no click handler, no "- demander une pause" title) - a new
  .bottomOverlay wraps the request banner, the follower notice, and a
  new .requestToolbar (Demander une pause / Demander une reprise) as one
  flex column, same "stack in normal flow instead of hand-picking a
  pixel offset per box" fix .topOverlay already needed. Pause and resume
  share one showRequestBanner() - they only ever differed by which word
  appears in the banner text. Renamed the shared CSS classes
  (avatarPauseRequested/avatarPauseBadge -> avatarActionRequested/
  avatarRequestBadge) since they're no longer pause-specific.
- server/test/socketGateway.test.ts: new case confirming requestResume's
  throttle is independent from requestPause's own.

Verified against the real compiled bundle: the toolbar shows for a
follower and stays hidden for the host; each button's own client-side
cooldown collapses a rapid double-click to one emission; a pushed
resumeRequested shows the banner with the right text and highlights the
right avatar.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 17:09:01 +02:00
838244ec41 Fix server crash: stale connection's heartbeat reading a deleted member
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Reported directly from the container's crash output: TypeError: Cannot
read properties of undefined (reading 'isPaused') inside SocketGateway's
"playstate" handler, taking down the entire Node process - every active
party, not just one connection.

Root cause: party.members is keyed purely by userId, with no per-device
identity yet (the gap the "same account, different device" feature also
needs - see docs/architecture.md). Two connections for the same userId
share one map slot; PartyService.join/create both unconditionally
overwrite it. When the connection currently occupying that slot is the
party's last member and leaves, leave() deletes the entry and - by
design, since there's no successor - never reassigns the now-stale
party.hostUserId. The OTHER connection for that same userId, still fully
connected with its own closure referencing the same now-destroyed Party
object, sends its regular 3s heartbeat next: the host check passes
(stale userId equals stale hostUserId on both sides), then
party.members.get(userId)! finds nothing at all. That's the crash.

Fixed at two levels:
- server/src/realtime/SocketGateway.ts: the "playstate" handler's
  unchecked `!` is now a real `if (!member) return`, matching the guard
  every other handler already used for the same lookup.
- Every socket.on(...) in attach() now goes through a new safe()
  wrapper (log-and-swallow on an unexpected exception) - Socket.IO has
  no equivalent of Express's error-handling middleware (asyncRoute()
  already covers every REST route for exactly this), so a synchronous
  throw from any listener, this one or a future one, would otherwise
  keep crashing the whole process outright.
- server/test/socketGateway.test.ts: a regression test reproducing the
  exact sequence. Verified it's meaningful, not vacuous, by temporarily
  reverting just the specific guard and confirming that same test
  correctly fails before restoring the fix.

Deliberately not changing how join/leave share that one map slot in this
pass - that's the real design work the fuller device-detection feature
still needs. This stops it from being able to crash the server in the
meantime, regardless of how that gets resolved.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 16:53:31 +02:00
5be839d2f6 Music bar: refresh vote count on join/leave, progress bar; catalog search
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Four smaller fixes from real usage:

- MusicBar.ts: "votes needed" for skip depends on the connected-member
  count (renderMembers/"members") AND the vote tally (applyMusicState/
  "queueUpdated") - the label was only ever recomputed from the latter,
  so a plain join/leave with no vote left it stale. Cached the last
  MusicPublicState and factored the label math into its own
  updateVoteSkipLabel(), called from both handlers now.
- Home.ts: the listen party this tab is already in still showed
  "Rejoindre" on the home page. Checks each card's partyId against
  musicBar/MusicBar.ts's own getActiveMusicPartyId() (already tracked
  client-side) and swaps the button for an inert "En écoute" label on
  that one card. No equivalent case for video - its player is a
  full-screen takeover, so you can't be looking at this list from inside
  one.
- MusicBar.html/.css/.ts: a read-only progress bar (a thin strip along
  the bar's own top edge). Deliberately not seekable - no host to
  arbitrate a jump in this model, and MusicQueueService has no "seek"
  concept server-side today; that would be a real protocol addition, out
  of scope here. Fill width is just currentTime/duration, ticked by the
  same interval that already updates the position text.
- tiles.ts (new wireSearchFilter), views/library, views/artist,
  views/album: a search input per catalog page, filtering whatever's
  already rendered client-side (a library page tops out at a few hundred
  items - well within "just filter the DOM" territory, no server round
  trip per keystroke). Shared helper so the three pages behave
  identically. The existing /api/catalog/search endpoint (video types
  only, never wired into any UI) is a separate, unrelated feature - a
  global cross-library search - left as-is.

Verified against the real compiled bundle: a "members" push alone
updates the skip label; the home page's own party shows "En écoute" while
others still show "Rejoindre"; the progress fill tracks a simulated
currentTime correctly; typing into a library's search box filters tiles
live with the empty-state notice appearing only when nothing matches.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 16:44:23 +02:00
137977893a Render subtitles client-side (<track>) instead of asking Emby to burn them in
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Six rounds of real-server debugging (see docs/architecture.md's player-
track-selection section) found three different, unrelated reasons a
server-side burn-in could fail - missing fonts, a bitmap format libass
fundamentally can't burn, ffmpeg failing outright on an otherwise
unremarkable file - none of which this app's own request ever caused or
could have fixed, all downstream of the one thing every attempt had in
common: asking Emby for a real-time video re-encode. Not needing that
re-encode at all closes the whole class of failure instead of chasing
each one.

- server/src/services/CatalogService.ts: new proxySubtitle asks Emby to
  convert the track to WebVTT (GET /Videos/{id}/{mediaSourceId}/
  Subtitles/{index}/Stream.vtt - a real Emby endpoint their own web
  client already uses for this) - entirely separate from the video
  transcode. applyPlaybackOverrides lost its SubtitleStreamIndex/
  SubtitleMethod=Encode branch - the video request no longer needs to
  know a subtitle was picked at all.
- server/src/types.ts, client/src/types.ts: PlaybackTrackOption's flag
  renamed supportsBurnIn -> isTextBased - same underlying fact (image vs
  text codec), but the name shouldn't keep describing a mechanism this
  app no longer uses.
- server/src/index.ts: new GET /api/catalog/subtitle/:itemId/:subtitleIndex
  route, grouped with the other cookie-authed media-element routes (a
  <track> can't send a bearer header either).
- client/src/api/embyApi.ts: new subtitleUrl(); streamUrl no longer
  carries SubtitleStreamIndex at all.
- client/src/views/player/Player.ts: the subtitle <select> no longer
  reloads the video (reloadWithCurrentOptions, still used for audio/
  quality, never touches subtitles now). New applySubtitleTrack()
  removes/re-adds a fresh <track> and sets video.textTracks[0].mode =
  'showing' synchronously right after appending - deliberately not
  waiting on the <track>'s own "load" event, confirmed against a real
  browser that it doesn't fire reliably at all (a known cross-browser
  quirk), which would have left a subtitle silently never shown - the
  exact symptom this whole saga started from. Re-applied on every video
  (re)load so an audio/quality change (which does still reload the
  video) doesn't drop whatever subtitle was showing.
- server/test/catalogService.test.ts: updated/new cases for
  proxySubtitle and the renamed isTextBased flag; removed the test for
  the now-deleted subtitle-forcing behavior.

Verified against the real compiled bundle: picking a text track adds one
<track> with the right URL and flips it to showing; "Aucun" removes it;
an image-coded track is listed but disabled; changing audio reloads the
video but the subtitle survives it, same element, still showing.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 16:31:25 +02:00
1e4a82df16 Log Emby's real status + response body on any proxied call failure
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Every attempt to see Emby's actual error message by hand failed the same
way: hls.js's own error reporting only ever exposes the generic HTTP
reason phrase, never the real response body, and Emby's own live log
view didn't reliably surface the exception's headline message either -
across several different items and failure modes this session. Emby's
own access log confirmed a real, several-KB text body really was being
sent every time (Content-Type: text/plain, Content-Length: 5190) - it
just never survived being reported back through either of those paths.

Fixed at the root: EmbyClient.fetch - the one function every Emby call in
this app goes through (fetchJson's JSON API calls and proxyResponse's
streaming/image proxy alike) - now logs Emby's status and full response
body itself straight to docker logs whenever a call fails.

- server/src/emby/EmbyClient.ts: new private logErrorResponse, called
  from fetch() only when !res.ok. Reads the body via .clone() so the real
  caller still gets an untouched, fully readable response (a body can
  only be consumed once, and this had to not break either of the two very
  different ways this app's callers read one - fetchJson's .json(),
  proxyResponse's .text()/pipe). pathAndQuery is logged with api_key
  redacted - this can be called with Emby's own TranscodingUrl verbatim,
  which can carry one (same concern as CatalogService's logStreamRequest).
- server/src/Logger.ts: new emby() method, same shape as party()/stream().
- server/test/embyClient.test.ts (new): body/status logged and readable
  by the real caller afterward, api_key redaction, and silence on a
  successful response (only failures are worth logging, same discipline
  as this app's existing logging).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 15:03:17 +02:00
2f670ec9a4 Flag image-based subtitle tracks (PGS/VobSub/DVB) as not burn-in-able
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Two different items both failed the same way when picking a subtitle -
without knowing whether the second one was also a PGS (image/bitmap)
track like the first confirmed one, that result was ambiguous: still the
same known issue, or something new? Rather than keep digging through
server logs per item, this app can just know the answer itself - Emby's
PlaybackInfo response already includes each subtitle stream's Codec.

- server/src/services/CatalogService.ts: getPlaybackOptions reads it and
  reports supportsBurnIn: false for image-based subtitle codecs
  (hdmv_pgs_subtitle/dvd_subtitle/dvb_subtitle - IMAGE_SUBTITLE_CODECS).
  This app forces SubtitleMethod=Encode whenever a subtitle is picked
  (applyPlaybackOverrides), asking ffmpeg's `subtitles` filter (libass)
  to burn it in - libass renders text via a font, it has no path for
  compositing a pre-rendered bitmap at all, confirmed against a real
  server (see docs/architecture.md's Round 4/5).
- server/src/types.ts, client/src/types.ts: PlaybackTrackOption gains
  supportsBurnIn (subtitle tracks only, undefined for audio).
- client/src/views/player/Player.ts: the subtitle <select> now disables
  these options with a "(image, non disponible)" label instead of
  letting anyone pick a track that's guaranteed to break playback -
  listed so it's clear why, not silently missing.
- server/test/catalogService.test.ts: new case covering subrip/ass
  (supportsBurnIn: true) vs hdmv_pgs_subtitle (false) from the same
  MediaStreams response.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 14:45:38 +02:00
5ee99a7525 Document subtitle-burn 500's real root cause: Emby's fontconfig, not us
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Once the hls.js timeout fix stopped masking it, the actual segment
request came back with a real 500. Emby's own server log (shared by the
user, not from this app) shows exactly why: ffmpeg's subtitles filter
failing with "Failed to load fontconfig fonts!" inside StartFfMpeg -
a font/fontconfig-cache problem in whatever environment Emby's
transcoder runs in, not anything this app's request could cause.

No code change: this app deliberately forces SubtitleMethod=Encode (see
applyPlaybackOverrides) since it never wires up hls.js's rendition-based
subtitle API - dropping that to dodge the 500 would just bring back the
original "subtitle picked, never shown" bug instead of fixing anything.
Recorded as Round 4 of the player-track-selection saga so this doesn't
get re-investigated from scratch later.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 13:54:54 +02:00
a5aca4a823 Fix home page's party "elapsed" label ignoring pauses
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Reported: the time shown for an ongoing party is the movie's elapsed
time. True, but only by coincidence - the label was actually just
Date.now() - party.createdUtc, which climbs at wall-clock speed
regardless of whether the movie is actually playing. Pause it for five
minutes and the home page keeps counting through the pause the player
itself has frozen.

- server/src/types.ts, client/src/types.ts: LobbyPartyDto gains
  positionTicks/isPaused/positionUpdatedUtc - the host's own tracked
  playback state (same values SocketGateway already maintains for their
  party's own room), null for music parties, where there's no single
  "elapsed" across a rotating queue of tracks.
- server/src/realtime/SocketGateway.ts: lobbySnapshot() fills these from
  the host's member record for video parties. Two new broadcastLobby()
  trigger points to keep it reasonably fresh: an actual pause/play
  transition (not every 3s heartbeat resend - same guard already used
  for that transition's log line) and advancing the queue (advanceQueue
  already reset every member's position for the new item; nothing had
  ever pushed that to the lobby before, so a card's title/poster/position
  could sit stale until an unrelated join/leave refreshed it).
- client/src/views/home/Home.ts: updateElapsedLabels() now computes a
  live, pause-aware position for a video party (frozen while paused,
  ticking from position+timestamp while playing) instead of always
  falling back to createdUtc - which is still exactly what a music party
  (or a party missing these fields) uses.
- server/test/socketGateway.test.ts: two new cases - the lobby snapshot's
  video-vs-music shape, and that a transition/next() refreshes it while
  an unchanged heartbeat resend doesn't.

Verified against the real bundled client with a faked "parties" push:
a paused party's label held still across a real wait; a playing one, and
a music party on the unchanged createdUtc path, both kept ticking up.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 13:53:10 +02:00
fff0b7a984 Fix subtitle selection timing out: hls.js's default timeouts too tight
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Reported: selecting a subtitle track (only subtitles, not audio/quality)
made the request "time out". Confirmed from the browser's own error:
hls.js gave up with a fatal fragLoadTimeOut after 4 retries, each hitting
its default 10s fragment-load timeout - not a hang, and not a repeat of
the earlier "override doesn't reach Emby" bug (see docs/architecture.md's
Player-track-selection section) - the same error's frag.baseurl already
shows SubtitleMethod=Encode correctly present in the request Emby
received, so the override chain works end to end. It's just slow: burning
a subtitle in forces a real re-encode (not a rendition, not a remux),
which measurably takes Emby longer than 10s to produce a first segment
for.

Fixed by giving both players' Hls instances explicit longer timeouts
(manifestLoadingTimeOut/levelLoadingTimeOut: 30s, fragLoadingTimeOut: 60s)
instead of hls.js's untouched defaults - applied to musicBar/MusicBar.ts
too, not just the video player, since music tracks go through the same
PlaybackInfo/transcode pipeline and could hit the same latency for a
quality change even without subtitles being involved there today.

global.d.ts's HlsStatic constructor gained an optional HlsConfig
parameter (only the four properties actually used) so this doesn't need
an `as any`/unsafe cast to pass config through.

Verified the property names are real and actually honored by hls.js
1.5.17 (the exact pinned CDN build), not silently ignored: constructed a
real Hls instance with this config and read back hls.config.* - all four
values came back as set, not as hls.js's own (tighter) defaults.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 13:11:06 +02:00
4eab0323d6 Fix CI: npm test's glob pattern doesn't expand on Node 20
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"tsx --test test/**/*.test.ts" worked locally (Node v22) and failed on
the CI runner (node:20-alpine, Node v20) with:
  Could not find '.../server/test/**/*.test.ts'

node --test only gained native glob-pattern CLI arguments around Node
21/22; on Node 20 the literal glob string is treated as a single
filename and, unsurprisingly, not found. Same script, two Node majors,
different behavior - not a shell/quoting issue (both runs go through
tsx's own CLI, no shell glob expansion involved either way).

Fixed by listing the four test files explicitly instead of relying on a
glob whose CLI support turned out to vary across the exact two Node
installs this project runs on (this dev machine, and node:20-alpine -
the CI container and server/Dockerfile's runtime image, deliberately
matched). engines.node is >=18, so relying on a 21/22-only feature was
already a latent bug even before it showed up.

Verified locally (all 25 tests still pass with the explicit list) - the
actual node:20-alpine behavior will confirm on the next CI run.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 12:30:53 +02:00
b2310216ce Fix settings menu visibility bug; make the music player a persistent bar
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Fix: player settings menu stuck permanently open
----------------------------------------------
.hide { display: none; } and Player.css's .settingsPanel { display: flex;
... } are both single-class selectors - equal specificity - so whichever
one esbuild happened to bundle later into app.css won the `display`
property on an element carrying both classes. Player.css's own
display:flex always landed after base.css's .hide, so #settingsPanel
showed regardless of the hide class ever being toggled - the toggle logic
itself was correct the whole time, it just had no visible effect.

Fixed at the utility class, not the one call site: `.hide` now uses
`display: none !important`, which wins a same-specificity tie regardless
of bundling order - closes off the whole bug class, since several other
components already set their own `display` for a visible state.

Feature: music player is now a persistent bottom bar, not a page
------------------------------------------------------------------
The music player was its own route (/party/:id -> views/musicPlayer/),
which meant navigating anywhere else - the sidebar, an album to queue up
more tracks - tore the whole thing down (router.ts calls a route's
cleanup, which used to call leaveParty, on every hash change). No way to
browse and listen at the same time.

- client/src/musicBar/MusicBar.ts (new): a Shell-level singleton, mounted
  once into a #musicBar element that's a sibling of #mainContent, never
  touched by route changes. Renders as a fixed bottom bar. Exposes
  initMusicBar/joinMusicParty/leaveMusicParty instead of the router's
  render()-returns-cleanup pattern, since it never registers as a route.
- views/player/Player.ts's dispatcher: a music party no longer renders a
  page - it calls joinMusicParty() and bounces back to /home (a no-op for
  every reachable call site except album's). A video party now calls
  leaveMusicParty() first (harmless no-op if nothing's active) - starting
  or joining a video watch party always leaves the listen party, since
  every party-join call site already funnels through this one dispatcher.
- views/album/Album.ts: the last per-track "start a party" UI now that
  the music player's own inline browse panel is gone (browsing just
  means navigating there normally). Each track's button starts a new
  party or adds to whichever one is already active, decided by
  getActiveMusicPartyId() at CLICK time (not render time) so the action
  taken is always correct even if the label is momentarily stale; every
  button is relabeled in place after a successful click. Starting a
  party from here no longer navigates away at all.
- views/musicPlayer/ deleted entirely (MusicPlayer.ts/.html/.css) -
  superseded by musicBar/.
- Comment updates in global.d.ts/presence.css/trackList.css/party.ts/
  types.ts that named the old module by path.

Verified both fixes by rebuilding and driving the real compiled bundle
through a local static server, with fetch/window.io/window.Hls mocked:
starting a party from an album track leaves the sidebar/page in place and
relabels the other tracks; adding a track posts to the already-active
party's id; navigating into a video party hides the bar, disconnects its
socket, and posts a real leave for the music party before the video
player renders; the settings gear opens/closes correctly for the host in
that same run.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 10:43:12 +02:00
fc678b313c Add a real server test suite and gate CI's Docker publish on it
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- server/test/*.test.ts: formalizes this project's many ad-hoc scratchpad
  test scripts into a committed suite, one file per service
  (musicQueueService, partyService, socketGateway, catalogService), using
  Node's built-in node:test + node:assert/strict - zero new dependencies.
  Runs straight against TypeScript source via `tsx --test` (npm test), no
  compile step.
- server/tsconfig.test.json: extends the base config, overrides rootDir to
  "." and adds test/**/*.ts to include, so `npm run typecheck` covers the
  test files too without pulling them into dist/ (npm run build still
  uses the unmodified base tsconfig, scoped to src/ only).
- server/package.json: typecheck now runs against tsconfig.test.json; new
  test script.
- .forgejo/workflows/publish-docker.yml: new `test` job (node:20-alpine
  container - the publish job's docker:27-cli has no Node) running server
  typecheck+test and client typecheck+build; publish now depends on it via
  needs: test. Removed the stale "no test suite yet" comment.
- README.md, docs/architecture.md: documented the test suite, how to run
  it locally, and the new CI job/gating.

Verified locally: server typecheck, server test (25/25 passing), server
build, client typecheck, and client build all pass individually - the
same commands the new CI job runs.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 09:57:47 +02:00
4a31ee741e Rewrite server + client in TypeScript, service-oriented server architecture
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Full rewrite, requested directly. Two independent decisions since
TypeScript can't compile itself away at runtime - "no build step" and
"TypeScript" are mutually exclusive, not a small addition to the existing
setup:
- Server: plain tsc (no bundling need - Node resolves its own requires).
  server/dist mirrors server/src 1:1.
- Client: esbuild (does need bundling) - picked over a heavier tool
  (Vite, webpack) since this app's whole client is a couple thousand
  lines; its built-in CSS-from-JS bundling and a `text` loader for
  importing an HTML template as a string cover everything needed via a
  ~30-line hand-written build script (client/build.mjs), not a config
  file for something built for much bigger apps.
Both projects compile independently (no shared-types package - considered
and rejected as more structural commitment than this app's size
justifies; server/src/types.ts and client/src/types.ts have their own
overlapping DTO copies instead). server/'s `npm run dev` uses tsx for a
compile-free dev loop; `npm run build` (tsc) is what server/Dockerfile's
build stage actually runs. client/'s `npm run watch` is esbuild's own
watch mode.

Server: one singleton service class per feature, generalizing the
PartyManager/MusicQueueService pattern that already existed, rather than
route handlers with logic inline:
- AuthService (from embyAuth.js), CatalogService (NEW - previously ~15
  route handlers' worth of Emby queries/DTO shaping inlined directly in
  index.js), PartyService (renamed from PartyManager), MusicQueueService
  (ported as-is, already service-shaped), SocketGateway (from
  socketHandler.js), EmbyClient (from embyProxy.js - low-level plumbing,
  not called a "service" since it has no state/feature of its own).
- index.ts is now thin wiring only: every route reads the session, calls
  one service method, returns the result.
- Real error-handling pass, not just a port: Express 4 doesn't catch a
  rejected Promise from an async handler on its own - a new asyncRoute()
  wrapper + a single error-handling middleware replace what used to be
  zero handling for a request that outright throws. CatalogService
  methods throw a CatalogFetchError (own HTTP status - getRawItem now
  preserves Emby's real 404 instead of a blanket 502) rather than
  touching res directly.

Client: one folder per view (src/views/<name>/<Name>.ts + .html + .css)
instead of one .js file with the markup inline as a template literal. A
view's static shell moved to its .html (esbuild's text loader); per-item
dynamic content (tile grids, episode/track lists) stays as template
-literal-returning functions in the .ts, same as before. Genuinely shared
CSS (tiles, the presence avatar, the series/album detail-header pattern,
track-list rows) lives under src/styles/, imported by whichever views
need it; src/styles/base.css holds the global primitives, imported once
by app.ts. Deliberately not pushed to zero duplication/renaming shared
classes across views for tidiness alone - not worth the risk in a change
already this large. Player.ts keeps its pre-existing internal shape (the
/party/:id dispatcher + the video renderer in one file, importing
renderMusicPlayer from the sibling folder) - that pattern predates this
rewrite and only needed types, not restructuring.

Two real things the port itself caught, not just carried over:
- A type bug: porting SocketGateway's "members" broadcast, reusing
  PartyService's PublicMember interface would have type-checked fine but
  was the wrong (larger) shape - the socket broadcast never included
  isPaused/positionTicks, only the REST response did. Caught by
  comparing against the original JS line by line, fixed with a dedicated
  SocketMemberDto type.
- A real Express+TypeScript friction point: noUncheckedIndexedAccess
  (enabled in both tsconfigs - genuinely useful elsewhere, e.g.
  PartyService.advanceQueue's array indexing) makes every req.params.xxx
  read a type error, since Express's index-signature typing doesn't know
  a matched route's required :name segment is always present. Resolved
  once with a param(req, name) helper rather than 15 routes' worth of
  scattered assertions.

Verified: both projects type-check cleanly in strict mode (tsc --noEmit -
not just "esbuild didn't complain", which it wouldn't even with type
errors present, since it transpiles without checking). Server: every
unit/integration test from the JS version (party lifecycle logging, the
music queue's timer/vote/pause behavior incl. real setTimeout
auto-advance, the socket integration through SocketGateway+PartyService+
MusicQueueService together, the library-type filter, the playback
-override forcing) re-run against the compiled server/dist output -
identical results; the compiled server was actually started and confirmed
listening cleanly. Client: since esbuild bundles everything into one
app.js (no more individually-importable view modules), testing moved to
driving the real compiled bundle through its actual boot -> login ->
router -> view chain (mocked fetch/Socket.IO/hls.js, real clicks/hash
navigation) - arguably more realistic than the old per-module approach.
Confirmed this way: login, the sidebar, home's carousels, a video party
(presence, host controls, leave), the full music hierarchy, a music party
(presence, vote-skip, pause toggle, the inline browse-and-add panel), and
the series page - all through client/dist's actual output, no thrown
errors anywhere.

Not verified: an actual `docker build` of the new multi-stage Dockerfile -
this dev environment has no Docker at all. The build stage runs the exact
npm run build commands already confirmed working locally, just inside
node:20-alpine - the main remaining risk is something environment
-specific, not the build commands themselves, but a real build is still
the first thing to try after this lands.

docs/architecture.md has the full writeup (new "TypeScript and a
service-oriented architecture" section, plus a corrected top-level
"Components" overview that had gone stale even before this change).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 09:38:14 +02:00
efaa7f55f0 Add music: Artist/Album/Track browsing + participative listen-party queue
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The last deferred piece from the original spec. Chosen permission model
(asked, not assumed): anyone can add a track to the shared queue any time;
anyone can pause/resume directly; skipping the current track needs a
strict majority vote of currently connected members. No host for
playback - a genuinely different shape of shared state than video's "host
drives, everyone follows", which is why it's a separate service
(server/src/musicQueueService.js, MusicQueueService) rather than more
branches in partyManager.js/socketHandler.js's existing video-shaped logic.

Server:
- musicQueueService.js: owns a music party's queue/current-track/pause/
  vote-skip state. Server-authoritative timing (no client is "the host"
  reporting position) - a wall-clock startedUtc plus the track's known
  duration is the only state; auto-advance is one setTimeout scheduled
  for exactly when that runs out, not any client reporting "it ended"
  (which could race across several players finishing near-simultaneously
  with no host to arbitrate). attachIo(io, onTrackChanged), called once
  at startup like PartyManager's own wiring, lets it broadcast
  "queueUpdated" from inside that timer's callback, which has no
  socket/request in scope at all.
- The timer is the one new leak surface this adds, given how much this
  project has already had to fix real leaks - destroy(party) clears it,
  wired into both of partyManager.js's existing destruction paths
  (leave's last-member case, removeIdleParties' sweep).
- Party gained mediaType: 'video'|'music' (inferred server-side from the
  clicked item's Emby Type - the client never has to know or say which).
- Three new catalog endpoints (Artists -> Albums -> Tracks), same
  reasoning as the existing Shows -> Seasons -> Episodes: a real Emby
  endpoint per level, not generic recursive /Items guessing.
- Audio streams through the *same* /master.m3u8 route as video (Emby's
  PlaybackInfo negotiation isn't video-specific) - the one difference is
  the hand-built-fallback path prefix (/Audio/ vs /Videos/), which the
  client tags via a mediaType=audio query hint rather than costing an
  extra Emby round trip to detect server-side.
- Adding a track is REST (POST /api/parties/:partyId/tracks), not a
  socket event like voteSkip/musicPlaystate - it needs to work from the
  player's inline browse-and-add panel regardless of realtime-connection
  specifics, and MusicQueueService's own broadcast reaches everyone
  connected either way.

Client:
- player.js's renderPartyPlayer is now a small dispatcher: fetches the
  party once, then delegates to renderVideoPlayer or the new
  renderMusicPlayer (views/musicPlayer.js) based on mediaType. Can't be
  async despite awaiting that fetch - route()'s contract needs its
  cleanup function back synchronously (router.js's `typeof cleanup ===
  'function'` check would silently skip a Promise, reintroducing the
  exact leak class already fixed once) - solved with a mutable box
  returned immediately, filled in once the fetch resolves.
- musicPlayer.js: not full-viewport/theater-mode like the video player
  (no image to declutter around, sidebar stays up) - which is what makes
  its own inline Artist -> Album -> Track browser work for "add tracks
  while listening" without navigating away and losing player state or
  threading party context through query params across three route levels.
- New views/artist.js, views/album.js (library.js's music branch renders
  an artist grid instead of the old placeholder). tiles.js's DRILL_DOWN
  table generalizes the old single seriesHref special-case now that
  there are three drill-down targets, not two.
- party.js: addTrackToQueue (REST) alongside voteSkip/setMusicPaused
  (socket) on the existing connectParty() connection object.

Real bug found while testing, not just the mock's fault: applyMusicState
used to update the queue list/vote button *after* the current-track
branch, which calls loadTrack() - and loadTrack()'s hls.js setup can
throw. Since JS doesn't roll back earlier statements when a later one
throws but does abort everything after it, an exception there took the
unrelated queue list and vote tally down with it, and on the first render
escaped all the way to the dispatcher's catch, which alerts and bounces
back to /home - discarding the whole view over what's really just "this
one track's audio failed to load". Fixed by reordering (queue/vote/icon
updates - which can't fail - before the track-loading branch, mirroring
how player.js's onItemChanged already updates title/next-button before
calling loadVideo) and wrapping loadTrack's hls.js setup in its own
try/catch so a failure there logs and stops instead of propagating.

Verified server-side directly against the real shipped modules (not
reimplemented mocks): 18 checks against musicQueueService.js alone (auto
-start, queueing, vote-skip majority, pause/resume elapsed-time math, a
real setTimeout auto-advance, timer cleanup on destroy - instrumented
setTimeout/clearTimeout counting, same technique as the earlier client
-side leak tests) and 7 more through socketHandler.js + partyManager.js
together (no-ops on a video party, a non-host pausing/resuming, a
two-vote majority skip, the resulting broadcast really reaching the
room). Client-side against the real local server with mocked fetch/Hls/
io: the full browsing chain, party creation, the dispatcher choosing the
right player (and still choosing video when mediaType is absent - back
-compat), now-playing/vote-tally/queue rendering and updates including a
live track change, play/pause and vote-skip emitting the right events,
the inline browse-and-add panel POSTing the right payload, and the crash
fix re-confirmed fixed via the same broken scenario that first found it.

Not verified: the real Emby round trip for any of this (Artists/albums
-tracks response shapes, audio PlaybackInfo/TranscodingUrl behavior,
actual playback quality) - same limit as everything else in this project
tested without live Emby access.

docs/architecture.md has the full writeup.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 01:49:22 +02:00
841975e408 Fix subtitles still not showing: force Encode during negotiation, not just the URL
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Follow-up to the previous language/subtitle fix - audio track selection
apparently started working, but subtitles specifically still didn't show.

Real gap found: applyPlaybackOverrides was only ever applied to the FINAL
stream URL, never to the PlaybackInfo NEGOTIATION call itself - so
SubtitleMethod=Encode never reached Emby until after it had already
decided, during negotiation, whether this session would be a full
re-encode or a plain remux. Burning a subtitle into the video is only
possible with a real re-encode; appending SubtitleMethod=Encode to a URL
for a session Emby already set up as a remux plausibly does nothing, no
matter how correct the URL looks. server/src/index.js now applies
applyPlaybackOverrides to the negotiation's own params too, so Emby is
asked to encode BEFORE it decides how the session will be handled, not
just told afterward.

Also added server/src/logger.js's streamLog ([watchparty:stream]) - two
rounds of blind, reasoned-but-unverified fixes for one bug is the point
where guessing stops being efficient. Every /master.m3u8 request now logs
its itemId and the resolved audio/subtitle/subtitleMethod/quality values,
so the next retest can confirm from docker logs/journalctl alone whether a
requested override actually reached Emby - without a devtools session on
whatever machine runs the server. Deliberately logs only those specific
values, never the full URL or params blob: Emby's own TranscodingUrl can
carry an api_key, which has no business ending up in a log file.

Verified as far as possible without real Emby access: the negotiation
call's params now measurably carry SubtitleMethod=Encode whenever a
subtitle is requested (same as the final URL always did); the new log line
correctly reports forced audio/subtitle values and reads "(none)" when
nothing was requested; and a test with a fake api_key embedded in the
source params confirms it never appears in the logged line.

If subtitles still don't show once this log line confirms
subtitleMethod=Encode really was sent, the fault is narrowed to Emby's own
handling of that parameter rather than anything before it in this app -
docs/architecture.md has the full writeup.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 01:00:07 +02:00
0c439259ac Add server-side logging of the party lifecycle
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Requested now that the app is actually running on real infrastructure:
visibility from docker logs/journalctl into what's happening (parties
created/destroyed, who joined/left, play/pause, pause requests) without
needing to reproduce a bug through the UI first.

server/src/logger.js: a deliberately tiny partyLog(message) - plain
console.log, prefixed [watchparty:party], ISO timestamp - plus a
who(userId, userName) formatter shared by every call site. No logging
library; this app runs as a single container, not behind a log
aggregator, so a consistent grep-able prefix is what actually helps here.

Covers the party's business lifecycle end to end, logged at the source so
every caller (REST and socket) is covered without repeating the check:
- partyManager.js: create, join, leave (also covers a host handoff or the
  party being destroyed, both fall out of leave), advanceQueue,
  removeIdleParties.
- socketHandler.js: playstate and requestPause, since those two mutate
  member state directly rather than through a PartyManager method.

The one thing that needed real care: the host's player re-sends its
CURRENT play/pause state every 3 seconds regardless of whether anything
changed (the heartbeat), on top of firing per actual play/pause/seeked
event. Logging every "playstate" message as it arrives would mean one log
line every 3 seconds per active party, forever. The handler instead
compares incoming isPaused against the member's previous value and only
logs on an actual flip - so a party generates exactly one line per real
pause or resume, never one per heartbeat tick.

Verified directly against the real shipped modules, not reimplemented
mocks: a scripted create/join/advanceQueue/leave/idle-sweep sequence
against the real partyManager.js produced exactly the expected line at
every step; a fake io/socket pair driving the real socketHandler.js
through start -> 5 unchanged heartbeats -> pause -> 3 unchanged
heartbeats -> resume logged exactly 3 playstate lines (not 9) at exactly
the right points, and a throttled repeat requestPause produced no second
line - all assertions passed, counted programmatically.

docs/architecture.md has the full writeup.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 00:53:55 +02:00
0f3c364b42 Fix "Voir les épisodes" rendering as a bare link instead of a button
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Bug report: the button wasn't as visible as the others on a tile.

Cause: the global `button {}` rule in app.css that gives "Lancer une watch
party" its solid green look is tag-scoped, so it never applied to "Voir
les épisodes" - the one .tileBtn that's an <a> (a plain hash link, not a
<button>). "Voir sur Emby" avoided the same fate only because it also
carries .tileBtnLink, which explicitly sets its own background/color.
"Voir les épisodes" had neither, so it rendered as a bare, small,
default-blue link sitting on the tile overlay next to two solid buttons.

Fixed by moving the solid-button look onto .tileBtn itself (tag-agnostic:
background/color/border-radius/font-weight/hover), with .tileBtnLink now
overriding just the two properties that make "Voir sur Emby" read as the
secondary action. This is the semantically right fix, not just a visual
patch: for a Series tile "Voir les épisodes" IS the primary action (a
Series is never itself directly playable - WATCH_PARTY_TYPES in
server/src/index.js - so the two buttons never compete on the same tile)
- it should look like one, matching "Lancer une watch party"'s weight
exactly rather than "Voir sur Emby"'s secondary one.

Verified via computed styles on a mocked library grid (one Movie tile, one
Series tile): "Lancer une watch party" and "Voir les épisodes" now compute
to the identical rgb(82, 181, 75) background / white text / 600 weight /
8px radius, while "Voir sur Emby" on both tiles still computes to the
distinct secondary rgb(38, 38, 38).

docs/architecture.md has the full writeup.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 00:48:04 +02:00
85bcf946b4 Filter sidebar to films/musique/clips vidéos/TV, fix music videos not being playable
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server/src/index.js: GET /api/catalog/libraries now filters Emby's /Views
response to VISIBLE_COLLECTION_TYPES (movies/tvshows/music/musicvideos)
before returning it. Emby's /Views can return all sorts of things this app
has no UI for at all - boxset collections, playlists, live TV, photos,
books, a mixed-content folder with no CollectionType - none of which
should ever have shown up in the sidebar. Filtering once at the source
means every consumer (the sidebar, home.js's per-library carousels, direct
navigation to /library/:id) is restricted the same way without repeating
the check in each place; a stale link to a now-hidden library's id just
falls into library.js's existing "Bibliothèque introuvable" state, since
it looks the id up in this same filtered list.

Found while making musicvideos a real visible category: its items are
Emby's own 'MusicVideo' type (distinct from the generic 'Video'), which
WATCH_PARTY_TYPES didn't include - every tile in a music-videos library
would have rendered with no "Lancer une watch party" button at all, only
"Voir sur Emby". Added it.

Also fixed two stale doc/comment references while touching this code:
the sidebar hasn't shown per-type icons since the earlier "no emoji"
request (plain text links only), and views/home.js's party carousel has
used the live lobby Socket.IO subscription instead of a GET /api/parties
fetch since that endpoint was removed - both docs/architecture.md and an
inline comment still described the old behavior.

Verified: a plain filter/map unit test confirms exactly
movies/tvshows/music/musicvideos survive against a mock /Views response
seeded with one of every excluded type (photos/livetv/boxsets/playlists/
books/homevideos/mixed/no-type-at-all); WATCH_PARTY_TYPES.has('MusicVideo')
checked directly; and mounting shell.js + library.js against a mocked
already-filtered libraries response renders exactly the 4 expected sidebar
links and a working "Lancer une watch party" button on a MusicVideo tile.

docs/architecture.md has the full writeup.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 00:40:07 +02:00
4b2d4822ef Fix language/subtitle selection: force our pick onto Emby's negotiation
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Bug report: picking an audio language or subtitle track in the player's
settings menu had no effect. First real-world bug reachable only once
streaming itself was already confirmed working end to end (this is that
confirmation, per docs/architecture.md).

Root cause, reasoned from how Emby's API actually works (no way to verify
directly - see below): real Emby web clients negotiate track selection via
a POST /Items/{id}/PlaybackInfo body with a DeviceProfile; this app only
ever sent AudioStreamIndex/SubtitleStreamIndex as bare GET query params,
which PlaybackInfo's negotiation likely doesn't apply the same way -  so
the TranscodingUrl it returned just reflected Emby's own default track,
regardless of what was actually requested. Separately, even a correctly
selected subtitle has a second silent-failure path: Emby can deliver text
subtitles burned into the video (SubtitleMethod=Encode) or as their own
selectable HLS rendition (SubtitleMethod=Hls) - this player's hls.js setup
never wires up subtitleTrack/subtitleTracks, so a Hls-method subtitle would
sit in the manifest unused.

server/src/index.js: new applyPlaybackOverrides forces
AudioStreamIndex/SubtitleStreamIndex/MaxStreamingBitrate onto whichever URL
the /master.m3u8 route ends up with - Emby's own TranscodingUrl, or the
hand-built fallback (which, before this fix, dropped these three params
entirely - a second, independent way the same symptom could happen).
Picking a subtitle also forces SubtitleMethod=Encode; picking "Aucun"
deletes both SubtitleStreamIndex and SubtitleMethod rather than just not
adding one, so it also cancels a subtitle Emby's negotiation had defaulted
to on its own. The negotiation call no longer needs to be trusted to apply
these params - it only needs to return a playable MediaSource, since every
control this app's UI exposes gets forced afterward regardless.

Verified as far as possible without real Emby access:
applyPlaybackOverrides is pure URLSearchParams manipulation, unit-tested in
isolation (adding a subtitle, removing one Emby had defaulted to,
re-sending an unchanged selection across an audio-only change, quality
override, the no-selection-yet initial load) - all pass. Confirmed
client-side too, by mocking Hls to capture what loadSource was actually
called with: initial load sends the default track's index, each dropdown
change re-sends a full reload with exactly the accumulated params expected.
What's not verified is the real Emby round trip - that needs a live
retest, which this environment has no credentials to do.

docs/architecture.md has the full writeup, and its "Assumptions to verify"
section got a broader pass while in there: several items long-flagged as
"not yet exercised against the real server" are now implicitly confirmed
by everything that's worked in real usage so far (response field names,
auth headers, playlist rewriting, basic HLS playback) - narrowed the list
down to what's genuinely still unconfirmed.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 00:35:22 +02:00
f6a8010647 Move presence overlay to the top, orange badge for pause requests, series detail page
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Two rounds of feedback on the previous commit, plus a related feature
request:

1. Presence overlay moved from bottom-left to the top of the player.
   client/js/views/player.js: the top gradient bar is now .topOverlay, a
   column of two stacked rows - .actionBar (what used to be the whole bar:
   title/members-text/next/settings/leave) and #presenceOverlay directly
   below it. Stacking them in normal flow means the avatar row always
   lands right after the action bar regardless of how tall that bar
   renders (it wraps on narrow screens), instead of a second
   absolutely-positioned block at a guessed pixel offset.

2. "Someone requested a pause" is now a specific orange border
   (.avatarPauseRequested, #ff9800) plus a small pause-icon badge in the
   circle's corner (.avatarPauseBadge - a plain inline two-bar SVG, not a
   Unicode glyph, since pause/play characters default to emoji
   presentation on several platforms and look muddy at 10px) - replacing
   the previous generic box-shadow pulse. This also absorbed the separate
   "click feedback" ring that used to live only on the requester's own
   circle (.avatarSent): since the server already broadcasts
   "pauseRequested" back to the requester too, one state driven purely by
   that broadcast is simpler than two overlapping ones.

   Found while repositioning the banner above .followerNotice: the
   notice is a <p>, and for an absolutely positioned element "bottom"
   places the MARGIN edge, so its default ~1em user-agent margin was
   quietly rendering it 13px higher than its declared bottom:24px ever
   suggested. Gave it margin:0.

3. Series detail page (client/js/views/series.js): the page now opens
   with an actual detail header - poster, title + year, overview, "Voir
   sur Emby" - above the season tabs/episode list, instead of a bare <h1>.
   The season/episode browsing and per-episode "Lancer une watch party"
   already worked end to end (library grid -> Series tile -> this route);
   this pass only made the page look like a detail page. Reused
   toItemDto's existing fields (GET /api/catalog/item/:id), no backend
   changes needed. Widened .linklike's CSS selector from
   `button.linklike` to `.linklike` so the new "Voir sur Emby" <a> picks
   it up too - app.css has no global `a` reset, so an unclassed anchor
   would otherwise render with the browser's default blue/underline.

Verified with mocked Socket.IO events / API responses against the real
running local server (see session history): presence row renders directly
under the action bar; a pauseRequested event gives the right circle
rgb(255, 152, 0) as its computed border color and display:flex on its
badge while leaving every other circle untouched (checked via computed
styles, not just class names); rapid repeat clicks on your own circle
still collapse to exactly one requestPause emission; banner/followerNotice
gap measured 15px after the margin fix, versus 2px before it; the series
page's header renders correctly, season-tab switching swaps the episode
list, a tvshows library's Series tiles link to /series/:id via both the
poster and "Voir les épisodes", and starting an episode's party correctly
creates it and navigates to the player.

docs/architecture.md has the full writeup.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 00:22:07 +02:00
669873e41c Presence overlay (avatars) + "request pause" in the player
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Two features requested together: a semi-transparent overlay showing who's
in the party, and a way for a non-host to ask the host to pause.

- server/src/socketHandler.js: new "requestPause" event (anyone, throttled
  5s per member server-side via member.lastPauseRequestUtc - the real
  guard, independent of whatever the client does) broadcasts
  "pauseRequested" {userId, userName} to the whole party room, not just the
  host, so everyone sees why playback is about to pause.
- client/js/party.js: connectParty() grows an onPauseRequested callback and
  the returned connection a requestPause() method, same shape as the
  existing next()/sendPlaystate().
- client/js/views/player.js: renderMembers() now also rebuilds a
  #presenceOverlay of one circle per member (initials from userName,
  colorForName() picks a deterministic background from a small palette by
  hashing the name - same person, same color, no server-side assignment
  needed). "Which circle is mine" compares userName against the auth
  singleton embyApi.js already populates, matching how the rest of the
  client avoids keying UI logic on userId directly. Your own circle, only
  when you're not host, is clickable and calls requestPause() (client-side
  cooldown too, purely to avoid a click that would visibly do nothing - the
  server-side one is what actually matters). Receiving pauseRequested shows
  a short auto-clearing banner and pulses the matching circle for everyone,
  including the requester and the host.
- client/css/app.css: .presenceOverlay/.avatar (bottom-left, opacity .75 is
  the "semi transparence" itself) and the clickable/sent/pulse states,
  .pauseRequestBanner.

Verified with mocked members/pauseRequested Socket.IO events against the
real running local server (see session history): initials/colors render
correctly, the host's own circle never gets the clickable affordance,
rapid repeat clicks collapse to exactly one requestPause emission (three
synchronous clicks -> one new emitted event), a pauseRequested event
banners and pulses the right circle. Re-checked the pre-existing host path
(becomeHost, settings menu, next-episode button) still works unchanged -
this pass only touched renderMembers() and init()'s connectParty() call.

docs/architecture.md has the full writeup. Also fixed two roadmap
checkboxes in README.md that should have been checked off by the previous
commit (live lobby/host handoff/no join codes) but were missed.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 00:05:40 +02:00
b6019bd211 Live lobby, host handoff reflected live, remove join codes, fix player scroll
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Three requested changes plus one found-in-passing bug fix:

1. Home page's "watch parties en cours" is now a live Socket.IO
   subscription (connectLobby -> "lobby" room), not a one-shot fetch -
   updates the instant anything changes anywhere (create/join/leave).
   Host name + member count come from the snapshot; elapsed time ticks
   purely client-side from a createdUtc timestamp (no point pushing a
   recomputed duration every second for every viewer). home.js returns
   this subscription from its router cleanup, same leak-prevention
   pattern as the player's socket.

2. Host handoff is now live end to end, not just correct in the data
   model. PartyManager.leave already promoted another member and
   destroyed an empty party (that part predates this change) - what
   was missing was any way for an already-open follower player to find
   out it became host. applyLeave (shared by the socket leave/
   disconnect handlers and the REST leave endpoint, so this and the
   lobby broadcast only live in one place) now emits a personal
   "hostChanged" to the new host's own socket; player.js's becomeHost()
   unlocks controls live. becomeHost is written to tolerate being
   called more than once safely (addEventListener no-ops on a repeat
   identical listener; the heartbeat setInterval is explicitly guarded
   since it has no such idempotence - calling it twice would leak the
   first interval, the exact bug class the previous pass fixed).

3. No more join codes - PartyManager no longer generates or tracks
   one. The live lobby list is the only discovery mechanism now; a
   code copied out of band doesn't add anything on top of a list
   that's already always current. POST /api/parties/:partyId/join
   replaces :joinCode; the "Rejoindre avec un code" UI is gone.

Found while touching this: the home page's "Rejoindre" button used to
navigate to the player WITHOUT ever calling the join endpoint first -
it loaded fine (GET /api/parties/:id never checked membership) but the
realtime "join" was silently rejected server-side (not an actual
member), so sync never worked for anyone joining this way. Fixed to
await joinParty() before navigating, matching how the library grid's
tiles already did it.

Also: .playerWrap was width:100%/height:100vh inside .mainContent's own
padding, so the two stacked and made the page taller than the
viewport - an outer scrollbar despite the video already being full-
height. Changed to position:fixed/inset:0 so it fills the real
viewport regardless of ancestor padding.

Verified live against a real running server (see session history):
lobby subscription renders host/member-count/ticking-elapsed correctly
from a faked "parties" push (createdUtc 2:05 in the past rendered
"2:06" after ~1s more, proving the client-side tick is real, not
static); the join-then-navigate fix calls the join endpoint before
navigating; .playerWrap computes to position:fixed with all four
insets at 0.

docs/architecture.md has the full writeup.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 23:47:12 +02:00
5d535d18d8 Switch to Socket.IO; fix two real memory leaks
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Requested: Socket.IO instead of raw WebSockets, and explicit attention
to memory leaks. Auditing for the second turned up two real, concrete
leaks, independent of the transport library:

1. Server-side: a raw `ws` server has no idea a client is gone unless
   it gets a proper close frame - a sleeping laptop, a network drop, a
   killed tab never fire 'close', so the PartyMember's socket
   reference (and everything it closes over) sat in memory forever,
   and the party was never cleaned up by anything else either
   (removeIdleParties only looks at lastActivityUtc). Socket.IO's
   built-in heartbeat (pingInterval/pingTimeout) detects and closes
   these out on its own - a real, not just cosmetic, reason to prefer
   it here.

2. Client-side: router.js only ever did currentRoot.innerHTML = ''
   between routes, destroying DOM but never telling the outgoing
   view's JS to stop. Leaving the player any way other than its own
   "Quitter" button (a sidebar link, browser back) left the 3s
   heartbeat setInterval, the realtime connection, and the hls.js
   instance all running against a detached <video> indefinitely, for
   as long as the tab stayed open.

Fixes:
- server/src/socketHandler.js replaces wsHandler.js: same protocol
  (see its own top comment), over Socket.IO. Rooms (socket.join/
  io.to) replace manually iterating party.members to broadcast.
  Error event renamed to "errorMessage" - Socket.IO reserves "error".
- server/src/index.js: socket.io server instead of a raw
  WebSocketServer, same-origin (no CORS config needed).
- client/js/party.js: socket.io-client (window.io, loaded via
  <script> in index.html) instead of hand-rolled WebSocket + JSON
  framing - also gets automatic reconnection for free.
- router.js: route() handlers may now return a cleanup function;
  render() calls whatever the previous view returned before switching
  to the next route, regardless of how navigation happened.
- player.js returns a cleanup that clears the heartbeat, destroys
  hls, disconnects the socket, and removes its document-level click
  listener (now named, not inline-anonymous, specifically so it CAN
  be removed - an anonymous one added fresh per visit would itself
  have been a slow leak even with everything else fixed). The
  "Quitter" button is now just navigate('/home') - cleanup runs the
  same way regardless of how you leave.

Verified for real (see session history): a real Socket.IO client
connected to a really-running local server end to end. Then, with
document.addEventListener/removeEventListener and setInterval/
clearInterval instrumented, drove the router through repeated "join a
party, then navigate away without clicking Quitter" cycles - adds and
removes matched exactly every time (3/3 listeners over three cycles,
2/2 intervals over two), nothing left pending.

docs/architecture.md has the full writeup under "Realtime transport:
Socket.IO, and two real memory leaks".

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 23:07:51 +02:00
f563f5b0a2 Emby-style UI: sidebar, carousels, series drill-down, episode queue, player tracks
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Big UI pass towards looking/behaving like Emby. Deferred: music (needs
its own player + a real-time collaborative playlist - different enough
subsystem to be its own pass; sidebar/routing already treat it as a
first-class collectionType, page just says "not yet" for now).

Layout:
- client/js/shell.js: persistent sidebar (one entry per Emby library,
  from GET /api/catalog/libraries which now also returns
  collectionType) + a #mainContent the router swaps on navigation.
  router.js made idempotent (start() safe to call more than once) so
  a login -> shell boot can happen twice in one page lifetime (logout
  then back in) without piling up duplicate hashchange listeners.
- app.js's boot() renders either the bare login screen or the full
  shell depending on session state; login.js calls it again on
  success instead of navigate() (no router running yet at that point).

Browsing, by collection type:
- views/home.js (route /home): a carousel of every active party
  server-wide, a join-by-code fallback, then one "recently added"
  carousel per non-music library (GET /api/catalog/libraries/:id/recent,
  Emby's Items/Latest).
- views/library.js (route /library/:id): dispatches on collectionType -
  movies/tvshows get the tile grid (Series tiles link into /series/:id
  instead of starting a party directly), music gets an honest
  placeholder.
- views/series.js (route /series/:id): season tabs + episode list
  (new GET /api/catalog/series/:id/seasons and .../episodes, Emby's
  /Shows/{id}/Seasons and /Episodes).
- tiles.js: poster-tile rendering shared by home.js and library.js so
  they can't drift apart.

Episode queue / "next episode":
- POST /api/parties now builds a queue when starting from an episode
  (fetches the rest of the series, from that episode onward) -
  partyManager.js gained queue/queueIndex/advanceQueue.
- New WS message {type:"next"} (host-only) advances the queue and
  broadcasts {type:"itemChanged", itemId, itemName, ...}; every client
  reloads the player against the new item. player.js shows "Épisode
  suivant" when hasNext, and auto-sends next() on the video's `ended`
  event.

Player: language/subtitles/quality:
- New GET /api/catalog/item/:id/playback-options exposes PlaybackInfo's
  MediaStreams as audio/subtitle track lists.
- master.m3u8 now forwards AudioStreamIndex/SubtitleStreamIndex/
  MaxStreamingBitrate to PlaybackInfo; player.js has three <select>s
  (host-only) that reload the stream at the same position on change.
  Subtitles end up burned into the transcode (via SubtitleStreamIndex),
  not a toggleable track - simpler than sidecar WebVTT for this pass.
  "Quality" is a MaxStreamingBitrate ceiling, not true adaptive bitrate.

Verified by driving a browser against mocked /api/* responses (see
session history): sidebar renders/highlights correctly, home carousels
render (parties + one row per non-music library, music correctly
skipped), library grid dispatch works, series page season-tab
switching + episode list render and the season/episode navigation
flow works end to end. Real Emby response shapes for all of this
(Views' CollectionType, Seasons/Episodes, Items/Latest, PlaybackInfo's
MediaStreams) and the queue/track-picker protocol are NOT yet
confirmed against a live server - see docs/architecture.md.

Removed client/js/views/browse.js, superseded by home.js + library.js.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 22:44:49 +02:00
1891e87c83 Fix streaming: use Emby's PlaybackInfo instead of a hand-built m3u8 URL
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Real error from the field: "Value cannot be null. (Parameter 'key')" -
Emby's own server (.NET) throwing an ArgumentNullException. The
/api/catalog/stream/:itemId/master.m3u8 route was hand-building
/Videos/{id}/master.m3u8?VideoCodec=h264&AudioCodec=aac directly,
missing whatever parameter (MediaSourceId/PlaySessionId/DeviceId are
the likely culprits) Emby's server needs for an internal lookup.

Fixed by calling GET /Items/{id}/PlaybackInfo?UserId=... first and
using the returned MediaSource's own TranscodingUrl - the same thing
real Emby clients do, rather than guessing the URL shape ourselves.
Falls back to a hand-built URL only if no TranscodingUrl comes back,
now at least carrying MediaSourceId/PlaySessionId/UserId from that
response instead of nothing.

docs/architecture.md updated: the real bug and fix, plus a known
limitation this doesn't yet handle (a direct-play source with no
TranscodingUrl at all - hls.js has nothing to fall back to for that
case yet).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 21:59:54 +02:00
07613c1cec Redesign home page: library tabs, poster tiles, ongoing parties list
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- New backend endpoints: GET /api/catalog/libraries (Emby's
  /Users/{id}/Views), GET /api/catalog/libraries/:id/items (top-level,
  Recursive=false - movies as movies, TV as Series tiles), GET
  /api/parties (list every active party server-wide, for the home
  page's "watch parties en cours" section)
- Item DTO gained `type` and `canWatchParty` (only Movie/Episode/Video
  are directly streamable - a Series tile only gets "Voir sur Emby")
  and `embyUrl`, a deep link into Emby's own web client built from
  EMBY_SERVER_URL + serverId (now captured at login)
- Party creation now fetches and stores the item's name/poster so the
  home page's party list doesn't need a separate lookup per party
- client/js/views/browse.js rewritten: ongoing-parties section, a
  join-by-code fallback, one tab per library, and a tile grid with a
  hover-revealed two-button overlay (start party / view on Emby) - the
  first only shown for playable types
- Removed itemDetail.js/the /item/:id route (tiles act directly now,
  no intermediate detail page); player.js simplified to use
  party.itemName instead of a redundant item lookup
- app.css: full-width home layout (no max-width cap, as asked), CSS
  grid handling all the responsive reflow, :hover/:focus-within reveal
  for the tile overlay with an always-visible (hover: none) fallback
  for touch devices

Verified by actually driving a browser (mocked fetch standing in for
/api/parties and /api/catalog/* - real login still needs real
credentials): tab switching swaps content correctly, the overlay
reveals per-tile only, a Series tile correctly omits the watch-party
button, and the touch fallback shows both buttons inline without
hover. See docs/architecture.md for exactly what that does and doesn't
confirm (real Emby /Views and item-list response shapes are still
unverified).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 21:54:14 +02:00
b6818655b1 Proxy all Emby access through our own backend; drop server-url field; use Emby's real theme colors
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Three changes requested:

1. Server proxies Emby, browser never talks to it directly. Login is
   now POST /api/auth/login {username,password} on our own backend;
   the backend calls Emby's AuthenticateByName server-side and mints
   its own opaque session (httpOnly cookie), storing
   {embyToken,userId,userName} in memory. The browser never sees or
   holds a real Emby access token. Every other call - search, item
   details, images, HLS streaming, party actions - goes to our own
   /api/* origin, authenticated by that cookie; server/src/embyProxy.js
   forwards to Emby server-side and streams the response back
   (including a playlist-rewrite pass for HLS .m3u8 so hls.js never
   gets handed a URL pointing at Emby directly). This also sidesteps
   the CORS problem the previous direct-to-Emby design had.

2. EMBY_SERVER_URL is backend-only config (.env.example); the login
   form no longer asks for a server address at all.

3. client/css/app.css now uses colors read directly off the live Emby
   server's own dark theme (--theme-primary-color-* etc, fetched via a
   JS probe against the running client, not guessed): accent green
   #52b54b/#6ccf65, near-black background #151216.

Tested for real: ran the server locally against the actual
EMBY_SERVER_URL and submitted intentionally-wrong credentials through
the UI - confirmed the full round trip (browser -> our backend -> real
Emby -> real 401 -> our error message) with no CORS issue, since it's
all server-to-server now. Login itself hasn't been exercised with real
credentials, so catalog/streaming remain unverified - see
docs/architecture.md.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 21:36:26 +02:00
6ff9aa29e2 Pivot to a standalone app - Emby plugin hit a hard wall
No plugin API exists for adding a button to Emby's player or item
detail page (confirmed by an Emby developer on their own forum, and
by research since). The only way to reach that would be patching
Emby's shipped web client files directly - outside the plugin,
breaks on every image update, needs manual reapplication. Not worth
the ongoing cost, per discussion.

New direction: a standalone app with its own player. Reads Emby's
catalog/streams directly from the browser (no plugin, no menu
integration fights); a small Node backend only coordinates party
membership and relays playback state over WebSocket - it never
touches a media byte. Auth is Emby-only, as chosen: the browser signs
in against Emby directly and this backend validates whatever token it
gets handed by asking Emby itself (GET /Users/{userId}), never seeing
a password.

Control model changed too: now that we own the player, host controls
playback and everyone else follows (event-driven play/pause/seek +
a 3s heartbeat, drift-corrected on the follower side) - the old
plugin's "everyone keeps their own controls, shared reference
position" was specifically a concession to nudging pre-existing Emby
app sessions we didn't control, which no longer applies.

- server/: Express + ws backend (party lifecycle, WebSocket protocol,
  Emby token validation)
- client/: plain-JS/ES-modules frontend (login, search, item detail,
  party player) - no build step
- Smoke-tested locally end to end against a stubbed Emby URL: server
  starts, routing/auth-gating works, error handling degrades
  gracefully (network failure, invalid token) - see the session
  transcript for the actual browser test run
- docs/architecture.md rewritten around the new design, including why
  the plugin was abandoned and a fresh "assumptions to verify" list
  (CORS between this app's origin and Emby's is the biggest unknown)
- src/WatchParty/ (the Emby plugin) kept as-is for reference, no
  longer the active direction

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 20:48:55 +02:00
f25f719e5f Fix the real crash: partyPage.html was missing data-controller
Traced the exact "Cannot read properties of undefined (reading
lifeCycleAbortSignal)" error by fetching the target server's actual
viewmanager.js and pluginmanager.js directly (both are unauthenticated
static JS) instead of guessing further from docs.

Root cause: Emby's modern ViewManager (v4.10.0.40) only creates a
view.controller - required before it calls any lifecycle method on
the view - when the view's root element has a data-controller
attribute resolving to an AMD module via
pluginManager.getConfigurationResourceUrl(). partyPage.html never had
one (only the legacy data-role="page" attribute), so
newView.controller stayed undefined and getResumeOptions crashed
reading a property off it. configPage.html (the admin settings page)
apparently survives without this because dashboard pages go through a
different/older loading path.

Fix: added data-controller="__plugin/WatchPartyRoomController" to
partyPage.html, and a third PluginPageInfo/embedded resource
(partyPageController.js) - a minimal AMD module for it to resolve to.
ViewManager mixes in baseview.js's onResume/onPause/lifeCycleAbortSignal
automatically since this controller doesn't define its own, so it only
needs to exist.

Also checked (live JS probe, not a guess): pluginmanager.js has a
hardcoded plugin-id allowlist (allowPluginPages), but it's bypassed
whenever appHost.supports('restrictedplugins') is falsy - confirmed
falsy here, so it isn't blocking anything on this server's web client.

docs/architecture.md updated with the full trace for posterity.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 20:17:14 +02:00
6f22f72532 Integrate Watch Party into Emby's own UI instead of a standalone app
Per user feedback: no separate control panel, no chat. Found that
PluginPageInfo has EnableInUserMenu/EnableInMainMenu (confirmed via
reflection on the real MediaBrowser.Model assembly, plus an Emby
community thread showing another plugin using EnableInUserMenu=true)
- a real, if barely documented, way to surface a plugin page to
regular users, not just admins, through the exact same
IHasWebPages/GetPages() mechanism as the admin settings page.

- Plugin.cs now registers a second page (partyPage.html) with
  EnableInUserMenu=true + EnableInMainMenu=true
- partyPage.html replaces the old standalone control panel: no login
  form, it runs inside the already-authenticated Emby web client and
  calls the REST API via the global ApiClient
- Removed web/control-panel/ (the standalone app, its own login flow,
  and the custom GET /WatchParty/app* static file routes in
  WatchPartyService.cs) - no longer needed
- docs/architecture.md and README.md updated: the new mechanism, and
  the honest limitation that comes with it (reaches Web/Electron
  clients, not official mobile/TV apps - those allowlist plugin pages
  client-side)

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 19:44:31 +02:00
db815df7d5 Fix plugin to build clean against real Emby 4.9.1.90 SDK
Installed .NET 8 SDK (per-user, winget needed admin elevation this
machine doesn't have) and restored the real MediaBrowser.Server.Core /
MediaBrowser.Common packages, then fixed everything the compiler and
a bit of reflection surfaced:

- PlaybackProgressEventArgs/PlaybackStopEventArgs are in
  MediaBrowser.Controller.Library, not ...Session
- IAuthorizationContext/AuthorizationInfo are in MediaBrowser.Controller.Net
- Item/user/session ids (SessionInfo.Id/UserId, BaseItemDto.Id) are plain
  string on this SDK version, not Guid - Party/PartyMember updated
  accordingly (Party.Id stays a Guid; it's minted by this plugin, not Emby)
- Reading the calling user needed an extra step:
  IAuthorizationContext.GetAuthorizationInfo(Request).UserId is a `long`
  (internal row id); .User.Id is the one matching SessionInfo.UserId,
  but it's a Guid so it's reformatted with .ToString("N")

docs/architecture.md's "Assumptions to verify" now reflects what was
actually confirmed vs. what's still only compile-checked (HTTP status
codes, content-type headers, the JS auth header format, the dashboard
config page) pending a run against a real server.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 14:40:17 +02:00
66af05f259 Scaffold Emby Watch Party plugin
Design: coordinate parties on top of Emby's existing session
remote-control commands (SendPlaystateCommand) rather than building a
new player. Each member keeps their own Emby app/controls; the server
periodically corrects drift and mirrors pause/unpause against one
reference member's reported position.

- src/WatchParty: plugin skeleton (BasePlugin, IServerEntryPoint,
  IService/[Route] API, in-memory party store, drift-correction loop)
- web/control-panel: plain HTML/JS/CSS companion page to create/join
  parties and resync, served by the plugin itself
- docs/architecture.md: full design, sources consulted, and an
  explicit list of SDK details that still need verifying against a
  real build (no .NET SDK / Emby SDK assemblies available in this
  environment to compile against)

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-13 14:02:43 +02:00