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SubMiner/backlog/completed/task-225 - Fix-frozen-primary-YouTube-subtitle-display-after-auto-load-startup.md
sudacode 3502cdc607 chore: archive completed backlog tasks and update ordinals
- Move ~35 completed tasks from backlog/tasks/ to backlog/completed/
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2026-03-31 12:38:27 -07:00

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id, title, status, assignee, created_date, updated_date, labels, dependencies, priority, ordinal
id title status assignee created_date updated_date labels dependencies priority ordinal
TASK-225 Fix frozen primary YouTube subtitle display after auto-load startup Done
2026-03-23 20:07 2026-03-24 06:41
bug
youtube
subtitles
TASK-224
high 149500

Description

After the new YouTube auto-load startup flow, the primary subtitle overlay can stay stuck on an older line while the subtitle sidebar continues advancing. Investigate startup suppression / subtitle refresh timing and restore live primary overlay updates after auto-loaded subtitles are injected.

Acceptance Criteria

  • #1 When YouTube auto-load succeeds, the visible primary subtitle continues advancing after playback resumes.
  • #2 Startup suppression does not leave the primary subtitle display stuck on a stale line.
  • #3 A regression test covers the startup path that previously froze the visible primary subtitle while sidebar timing continued advancing.

Implementation Notes

Root cause: applyStartupState seeded youtubePlaybackFlowPending from initialArgs.youtubePlay, and runYoutubePlaybackFlowMain restored that preexisting true value after startup auto-load. Result: primary subtitle events stayed suppressed for startup-launched YouTube playback while sidebar timing still advanced.

Final Summary

Stopped pre-seeding youtubePlaybackFlowPending from startup CLI args so only the actual YouTube playback bootstrap window suppresses subtitle events. Added a regression test covering startup YouTube args and re-ran targeted YouTube/runtime subtitle tests plus typecheck.