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ROOT CAUSE (hypothesis A, pre-existing — NOT a beta7 regression; server/player/index.html is untouched since v1.9.2-beta6): handlePlaylistUpdate's "Playlist unchanged" branch blindly returned. The media re-attach (renderContent) lives ONLY in the content-changed branch, so if the <video> surface was lost (element detached from the DOM while still decoding — video gone, audio still playing) a no-new-content refresh never re-attached it. New-content refreshes were fine because they re-render. FIX (make the refresh idempotent for the media surface, no flicker on the healthy path): - server/lib/player-media-health.js (new, UMD + unit-testable, mirrors schedule-eval.js): needsReattach(state) — re-attach ONLY when playback should be happening but the current item's surface is actually lost (video null / detached / ended / errored; non-video: no mounted surface). A healthy attached+live video returns false, so a routine poll stays a no-op (no re-render, no flicker). Served at /player/player-media-health.js from the single source; loaded by the player. - index.html no-change branch: extract the current item's DOM facts and, iff PlayerMediaHealth.needsReattach, call playCurrentItem() to re-render the current item. Wrapped so the health check can never break a refresh. - teardownCurrentMedia: also release currentVideoEl even when it was DETACHED from the container — a detached-but-playing <video> keeps emitting audio and the container-scoped querySelectorAll can't find it. This kills the "ghost audio" on re-attach. - sw.js cache bumped v9 -> v10 so players pick up the new index.html + module. Tests: test/player-media-health.test.js (6) exercises the branch selection — healthy video -> no re-attach; detached/null/ended/errored -> re-attach; idle -> never; non-video by surface presence. Inline player JS syntax-checked; module served + referenced verified on a booted server. Suite 316/316. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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