The LEDs only changed when the user navigated. They were published from the
settings snapshot, so they refreshed when that document republished rather
than when playback started — which is exactly when the backend and mode are
decided, a moment after "now playing" in the log. They publish on the stream
edge now, without polling and without republishing settings.
The stamp itself was close but not 1:1, so it went back against
shell/AudioStamp.slint, primitives/QualityBadgeFull.slint and shell/SongCard.slint
line by line; the divergences in sizes, weights, spacing and the inactive LED
colour are corrected.
Volume is locked while the bit-perfect ALSA direct path is engaged. Software
volume there is meaningless and applying it would not be bit-perfect, so the
control now reads as inert rather than silently doing nothing. Slint has the
same gap and no lock to copy, so this is new: the condition comes from the
output state already published, and no audio behaviour changed — only the UI
reflects it.
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The port had one hand-made badge taken from the archived Tauri tree. Slint has
three distinct components and each bar mounts a specific one, so the wrong tree
had cost the stamp its LEDs entirely — they exist only in Slint, derived from
the output backend and mode, and no amount of polishing the Svelte port would
have produced them.
QualityBadge becomes Slint's icon-only mark with its hover tooltip, for cards
and rows. QualityBadgeFull is the icon plus stacked tier and detail. AudioStamp
is the inline two-row form that carries the LEDs: backend blue when engaged,
mode green, purple for a cast session, amber with the renderer name for a peer
Qobuz Connect. New and Classic mount the SongCard stamp column, Large and Small
the inline stamp, matching the .slint mount sites.
The downgrade case follows Slint too: row one reports what is actually being
delivered with an amber arrow, and the catalog maximum moves into the tooltip
next to the reason it was limited.
PlayerBar's LEDs stop reading the settings document, which never knew whether a
backend was engaged, and read the now-playing output state instead — where
Slint reads them.
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vicrodh