Files
hyperframes/packages/core/src
Miguel Ángel 0dfedd111c fix(core): root-cause id-less media wash in timingCompiler getAttr, drop the band-aid (#1792)
* fix(core): root-cause the id-less media wash in getAttr, drop the band-aid

The blank-wash/dropped-audio fix in #1790 added assignMissingMediaIds in the
producer to stamp ids onto id-less timed media. That was a band-aid: the real
cause is timingCompiler's getAttr, whose regex had no name boundary at all, so
getAttr(tag, "id") matched the trailing id="…" inside data-hf-id="…". compileTag
saw a phantom id and skipped its existing hf-video-N/hf-audio-N injection,
leaving the element with no real el.id — which the render pipeline keys off of.

Fix getAttr with the same (?<![\w-]) lookbehind used for the lint readAttr fix.
compileTag's auto-id injection now fires for data-hf-id-only media, in both the
main composition and sub-compositions (parseSubCompositions runs the same
compileTimingAttrs pass), so assignMissingMediaIds is removed entirely.

Extends the regression fixture with a standalone id-less <audio> (the dropped-
audio side, previously untested) and raises minAudioCorrelation to 0.9. Adds a
timingCompiler test for the data-hf-id/id boundary.

* test(producer): use seeded pink noise (not a pure sine) for fixture audio

A continuous sine anti-aligns under the audio cross-correlation (correlation
-1.0 from a sub-period offset). Broadband seeded noise correlates robustly.

* test: cover audio-side id injection via unit test; keep render fixture video-only

The audio render-baseline used synthetic sine/noise, which anti-aligns under
the harness audio cross-correlation (deterministic -1.0). Real audio fixtures
are unaffected. Cover the audio side of the boundary fix with a deterministic
timingCompiler unit test (id-less <audio> gets hf-audio-N) instead, and keep
the render fixture video-only.

* test(producer): regenerate baseline under the root fix (hf-video-N from compileTag)
2026-06-29 19:07:36 -07:00
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