javis-bot f93b241575 fix(stream-test): restore audio after ads, enforce subtitle rule broadcast-wide, commit the 60fps MV path ...

Addresses review of the ad/subtitle work (the ad-skip.mjs -> broadcast-helper.mjs
rename's other half; the prior commit only recorded the deletion):

- ad mute leak: the ad-skipper muted during an ad but never un-muted, so the
  main video stayed silent after the first ad. Save the pre-ad muted/playbackRate
  and restore them when the ad ends (verified: muted false -> true -> false).
- captions were only applied once when scenario.mjs ran, not for the whole
  broadcast. The persistent helper now applies the rule (OFF by default, Korean
  ON if offered) per video and ENFORCES it every tick - one-shot did not hold
  because YouTube silently re-enabled captions (verified it stays off across 8s).
- ad-skip + captions merged into broadcast-helper.mjs (one CDP process).
- the 60fps MV test now lives in the repo: scenario.mjs gains MV_QUERY (search +
  auto-pick the first >=60fps result) and WATCH_SECONDS, plus the
  fullscreen-toolbar-hide fix. The broadcast runs via the committed
  stream-hold.ts (audio + keepalive), not an out-of-repo copy.
- document the test env vars (CDP_PORT, HOLD_MS, TEST_*, MV_QUERY, WATCH_SECONDS).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

2026-06-10 16:09:31 +09:00

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