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The draft said build_status had no pactl timeout and froze the panel. Driving
it disproved that: pactl.run defaults to timeout=8 and raises PactlTimeout, so
the panel degrades.
The real defect was narrower and is now fixed. Two of build_status's four reads
sat outside its degrade guard, so a server that answered the device lists and
then stopped answering raised out of a function contracted to return ok:False,
and waybar's audio module died rather than dimming.
Corrected in place with the reasoning, rather than dropped, since a spec that
quietly loses a wrong claim teaches nothing about why it was wrong.
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Answers the four questions the request asked, from a live survey rather than
from memory. There is no PulseAudio: the stack is pipewire, wireplumber, and
pipewire-pulse, all user-scope, so no remedy in this feature needs sudo — which
is why it mirrors the net panel's doctor rather than the maintenance console's
privileged verb table.
Two findings shape the design. pactl hangs against a server that accepts and
never answers, which is exactly the fault a doctor exists to diagnose, so every
probe is bounded. And the panel cannot diagnose itself, because pactl is the
layer most likely to be down — the probes read systemctl and pw-dump before
they touch it.
Filed the panel's own missing timeout as a separate bug. It freezes the audio
panel today, independently of any doctor.
Seven decisions left open; the spec is DRAFT and nothing gets built until they
close.
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