refactor(mux)!: remove export ts --sync

doc/bin/cli.md

@@ -443,24 +443,6 @@ continuity error, and the rest carry on. It takes neither `--linger`,
 `--stitch` nor `--mux-rate`. Only the hang catalog names the track, so an
 `.msf` broadcast needs `--catalog-format hang`.
 
-`export ts --sync` renders every packet from the broadcast alone, so two exports
-of it, joined at different moments and fed with different skew, emit identical
-TS for the content both receive, continuity counters included, as the legs of a
-1+1 pair must; an SMPTE ST 2022-7 pair also needs identical RTP framing around
-it, which this command does not write. Each PID gets a fixed lane of the constant rate, sized
-for its codec's most, with video taking the rest; content one leg lacks leaves
-its packets as stuffing there. The PCR rides a PID of its own, and each PID's
-continuity counter restarts at every group with the break flagged. It needs a
-constant rate, the same on every leg since the lanes follow from it
-(`--mux-rate`, or the catalog's), costing headroom over the
-source's (a 10 Mb/s channel needs about 12), and takes neither `--stitch` nor
-`--passthrough`. A group that starts behind the one before it, on a lane too
-narrow to absorb that one, is logged and counted in `overruns`: the legs can
-differ there. So can reordered video whose SPS declares no reorder depth
-(`max_num_reorder_frames`), which is logged, and SI while one leg holds an older
-revision than the other or around an SI table the catalog adds or drops, which
-each leg takes up when its catalog update arrives.
-
 A stdout export ends with the broadcast. `export ts --linger 10s` waits that
 long for the same publisher instance to come back, and carries on with the same
 stream. A return that cannot be read yet, such as one still routed through a

doc/concept/stats.md

@@ -96,8 +96,6 @@ source's. `export ts --passthrough` reports it without `mpegts`.
 | `offset` | Gauge, milliseconds: how far the output clock sits from the source's plus the delay. Positive holds frames longer than the delay. The clock pulls it shut over ten minutes. |
 | `drift` | Gauge, parts per million: the source clock's rate against ours, positive running fast. |
 | `outOfTolerance` | Measurements that found the source clock past the 30 ppm ISO/IEC 13818-1 allows, which the output cannot follow. |
-| `overruns` | `export ts --sync` only: groups that began behind the end of the one before on their PID, where legs can differ until the lane catches up. |
-| `late` | `export ts --sync` only: packets dropped for reaching their slot after it went out, leaving stuffing. |
 
 ## Broadcasts
 

quest/m1/ts-reliability/README.md

@@ -72,7 +72,7 @@ refused means an error or a counted drop.
 | CAT, EMM/ECM, ATSC PSIP, other SI PIDs, unlisted PIDs, TS scrambling | Outside the profile, raw lane; counted when the import reads every program. Today dropped uncounted | [routes](/quest/m1/ts-reliability/stream-routes.md) |
 | DVB SI on 0x0010, 0x0011, 0x0012, 0x0014 | Preserved: snapshot track per PID and `table_id` | landed |
 | Program identity, program and ES descriptors | Preserved: descriptors follow each PMT revision; an identity change refuses | landed |
-| PMT add, remove, retype; PID reuse | Normalized without a new epoch: a changed or reused PID ends its track and continues under a fresh name, and the export rebuilds the PMT at the next `version_number`. Today `export ts --sync` ends at an added track and announces no other revision | [PMT export](/quest/m1/ts-reliability/pmt-export.md) |
+| PMT add, remove, retype; PID reuse | Normalized without a new epoch: a changed or reused PID ends its track and continues under a fresh name, and the export rebuilds the PMT at the next `version_number` | landed |
 | PAT changes: moved PMT PID, programs added or removed | Normalized: followed; a removed program retires, and returns as a new epoch. Today ignored, or the whole multiplex stops | [PAT changes](/quest/m1/ts-reliability/pat-lifecycle.md) |
 | Programs without video | Preserved when the PMT names a PCR PID; refused without one | landed |
 | PCR | Normalized: rebased, carried on the first video PID, else audio, else a dedicated PCR-only PID | landed |
@@ -102,14 +102,12 @@ remain with their current quests.
 - [State bound](/quest/m1/ts-reliability/state-bound.md) - SI and revision state retire with what the source stops repeating
 - [Decode order](/quest/m1/ts-reliability/decode-order.md) - TS, MKV and FLV author DTS from decode order and a declared `reorder` depth
 - [Shared parser](/quest/m1/ts-reliability/shared-parser.md) - `--program all` scans the multiplex once
-- [PMT export](/quest/m1/ts-reliability/pmt-export.md) - synced TS legs revise their PMT and grid identically
 - [Access units](/quest/m1/ts-reliability/pes-access-units.md) - a PES carrying several access units publishes each at its own time
 - [PAT changes](/quest/m1/ts-reliability/pat-lifecycle.md) - a revised PAT never leaves a broadcast meaning another program
 - [Stream routes](/quest/m1/ts-reliability/stream-routes.md) - every PID gets a declared route, and what is not carried is counted
 - [Program cap](/quest/m1/ts-reliability/program-cap.md) - a PAT listing every program number cannot create a broadcast per program
 
 ## Related
 
-- [TS over RTP legs](/quest/m2/ts-rtp-egress.md) - TS identity alone is not ST 2022-7, which also needs matching RTP headers
 - [MSFTS mapping](/quest/m3/msfts-convergence.md) - document the exact equivalence and differences between the carriage modes
 

quest/m1/ts-reliability/decode-order.md

@@ -18,12 +18,12 @@ six times ([moq-dev/moq#1843](https://github.com/moq-dev/moq/pull/1843),
 [#4500](https://github.com/moq-dev/moq/pull/4500),
 [#4574](https://github.com/moq-dev/moq/pull/4574),
 [#4645](https://github.com/moq-dev/moq/pull/4645),
-[#5949](https://github.com/moq-dev/moq/pull/5949)). Today there are three
-authors: `DecodeClock::pop` (`rs/moq-mux/src/container/decode.rs`, TS without
-`--sync` and MKV) settles a slot by the highest PTS read and a delay that only
-grows; `pop_counted` (TS `--sync`) depends on the held frames alone; FLV
+[#5949](https://github.com/moq-dev/moq/pull/5949)). Today there are two
+authors: `DecodeClock::pop` (`rs/moq-mux/src/container/decode.rs`, TS and
+MKV) settles a slot by the highest PTS read and a delay that only grows; FLV
 export authors `PTS - jitter` bumped past the last DTS, which passes the PTS
-on B-frames. fMP4 export already anchors its decode timeline at each group's
+on B-frames. #5949's `pop_counted`, which depended on the held frames alone,
+left with `export ts --sync`. fMP4 export already anchors its decode timeline at each group's
 first frame and needs no change.
 
 Decided 2026-10-22 by the maintainer, after the TS root-cause audit:
@@ -35,9 +35,8 @@ Decided 2026-10-22 by the maintainer, after the TS root-cause audit:
 - Rejected: carrying decode time in the frame (CMAF composition offsets, a
   LOC property, Legacy inference). It adds a wire field to every container
   to preserve spacing no consumer needs.
-- One clock serves TS, MKV and FLV. The counted path becomes the only one,
-  and it is not called `pop_counted`: the depth is fixed for the
-  rendition's life, so it moves into the constructor
+- One clock serves TS, MKV and FLV, counting frames against the depth. The
+  depth is fixed for the rendition's life, so it goes into the constructor
   (`DecodeClock::new(reorder)`) and the release is a plain `pop(flush)`.
   A new rendition gets a new clock. Delete the timestamp-settled `pop`, its
   growing delay, `reach`, FLV's `author_dts`/`dts_reserve`, and the catalog
@@ -50,7 +49,7 @@ Decided 2026-10-22 by the maintainer, after the TS root-cause audit:
   group's (n - `reorder`)th presentation slot, which no frame still to come
   can precede. The group's first `reorder` frames step one 90 kHz tick apart
   up to the keyframe's slot: the clock cannot know the group's spacing until
-  frames it may not hold have arrived (`references_far_apart_keep_their_slots`),
+  frames it may not hold have arrived (`references_far_apart_keep_their_slots` in #5949),
   and one tick needs no spacing, keeps DTS increasing within a group and
   across groups without history, holds no frame past `reorder`, and only
   relaxes those frames' delivery deadlines (found in review). Rejected: a delay of
@@ -114,5 +113,4 @@ Keep the T-STD controls passing.
 
 ## Related
 
-- [Deterministic TS legs for H.265](/quest/m2/ts-hitless-h265.md) - the `--sync` group anchor this path shares
 - [Access units across PES](/quest/m1/ts-reliability/pes-access-units.md) - TS import's other video timing gap

quest/m1/ts-reliability/pat-lifecycle.md

@@ -46,7 +46,3 @@ new epoch.
 ## Required
 
 - [Shared parser](/quest/m1/ts-reliability/shared-parser.md) - one parser owns the PID map this plan's accounting needs
-
-## Related
-
-- [PMT export](/quest/m1/ts-reliability/pmt-export.md) - the export follows a moved PMT PID with a new PAT

quest/m2/README.md

@@ -18,9 +18,6 @@ The first follow-through is [release execution](/quest/m2/release/README.md).
 Rate-grant work targets the next unpublished lite version after finalized
 lite-07; bitrate enforcement is not part of this release.
 
-Added 2026-10-13 by the redundant TS alignment plan: TS over RTP legs,
-ranked just below deterministic TS legs, which it requires.
-
 ## Required
 
 - [Release execution](/quest/m2/release/README.md) - publication, installed-artifact proof, cleanup, and downstream adoption after m1
@@ -132,10 +129,6 @@ ranked just below deterministic TS legs, which it requires.
 - [Synced data playback](/quest/m2/watch-data-sync.md) - js/watch releases JSON and binary payloads on the media playhead, and a slow data track holds media back
 - [Watch decode gate](/quest/m2/watch-decode-gate.md) - video lookahead stays encoded until it is near presentation, like audio
 - [Drop announce="never"](/quest/m2/publish-announce-never.md) - `@moq/publish` offers only announce modes a watcher can reach
-- [Deterministic H.265 TS legs](/quest/m2/ts-hitless-h265.md) - H.265's buffering period gets the same group anchor as H.264
-- [TS over RTP legs](/quest/m2/ts-rtp-egress.md) - two legs send identical RTP packets, headers included, so an ST 2022-7 receiver can merge them
-- [Old tail across a restart](/quest/m2/ts-sync-restart-tail.md) - both `--sync` legs send the old timeline's tail up to a restart, so an ST 2022-7 merge has no hole there
-- [Paced gap after a restart](/quest/m2/ts-restart-gap-burst.md) - a forward restart within the minute no longer sends every gap slot in one burst
 - [moqsrc A/V sync](/quest/m2/moqsrc-av-sync.md) - a nightly test measures A/V skew from `moqsrc` through clock-synced sinks
 - [MP4 export](/quest/m2/mp4-export.md) - `moq export mp4 --output` records crash-safe fragments, then finishes a regular MP4 with moov at the end
 - [fMP4 edit lists](/quest/m2/fmp4-edit-lists.md) - the fMP4 importer applies edit lists to frame timestamps