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e0bdd3b65c
The signature fix was necessary but not sufficient, and only a browser showed it. The update arrived
and was applied — the console logged "Playlist changed, updating" and playlist[0].widget_rev held the
NEW revision — but the iframe on screen still carried the old one.
Two guards were swallowing it. Continuity keeps a surviving item playing and deliberately does not
re-render ("Just retarget the index pointer - no re-render, no interrupt"), and identity is
content/widget ID, which does not change when a widget is EDITED. So the edited widget counted as
surviving. And the fallback that would eventually notice does not apply either: a solo widget is
deliberately never re-rendered on a timer, because that would reset a directory board's scroll.
Between them the new revision sat in the playlist, unused, indefinitely.
Now a surviving WIDGET whose rev changed is re-rendered through the buffered swap — which builds the
new iframe hidden and reveals it on load, so it is flash-free by design and this costs nothing
visually. Non-widget items and unedited widgets are untouched, so the continuity behaviour that
guard exists for is intact.
Verified in headless Chrome driving the real player: paired, widget assigned, then edited with no
page reload and no restart. rev 1785460578 -> 1785460589 on the live iframe.
Also caught here: my first attempt called renderItem(), which does not exist — the console.log fired
and the exception ate the rest of the handler, which looked exactly like the fix not working. The
function is renderContent(item).
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Uaeo9MvzKoyXuN6ZsbhtkL
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