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miga-heygenandMiguel Ángel 3704863d96 feat(telemetry): per-tag, provenance, and failure-taxonomy properties on render events (#4004)
* feat(telemetry): add per-tag element and a-roll counts to render_complete

countElementTags's single regex scan (the ~83% of renders that get no
live probe session) is extended into scanElementTags, which returns a
per-tag breakdown and an a-roll video count alongside the same total,
all from one pass over the same script/style-stripped markup — the
total is the sum of the per-tag map by construction, so the two
properties can't drift apart. countElementTags itself is removed; it
had zero production callers after this change.

New render_complete properties: composition_element_tags ({tag: count},
raw lowercase tag names, capped at the top 50 by count with the rest
folded into an "other" key) and aroll_video_count (<video
data-aroll="true"> elements from the same scan). Both are static-scan-
only, mirroring the existing composition_element_count_source split —
the live probe-DOM path never runs this scan.

Co-Authored-By: Miguel Ángel <miguel.sierra@heygen.com>

* feat(telemetry): count HeyGen-provenance video from the same tag scan

heygenVideoCount joins arollVideoCount/byTag as a third property
derived from scanElementTags's single pass: <video
data-media-source="heygen"> elements. media-use's resolve.md now
documents that the skill stamps this attribute on a mounted video only
when the ledger record's provider is "heygen.video" (the mount itself
is always the agent's own composition edit, never written by resolve
scripts) — the ledger stays the single source of truth for provenance,
the HTML attribute is a projection of it, and no other provider value
is invented beyond this one signal.

Co-Authored-By: Miguel Ángel <miguel.sierra@heygen.com>

* feat(telemetry): add a bucketable failure taxonomy to render_error

error_name (error.name, e.g. one of the ~20 typed producer error
classes) and failed_stage_code (job.currentStage/failedStage
normalized to a stable snake_case code via normalizeStageCode)
join the existing free-text error_message/failed_stage, so a fleet
query can bucket failures without parsing prose. Error-conditional by
nature — render_complete has no equivalent, since a successful render
has no error to name or stage to blame.

Co-Authored-By: Miguel Ángel <miguel.sierra@heygen.com>

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Co-authored-by: Miguel Ángel <miguel.sierra@heygen.com>
2026-09-16 12:37:57 -04:00
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