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Nomarchy/modules
Bernardo Magri 9e64358225
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fix(audio): #138 — reprobe escalates to a graph restart, never opens with one
Bernardo's Meet calls lost their microphone because our own dock-audio
reprobe restarted PipeWire/Pulse/WirePlumber on every monitoradded (#100).
Chromium's audio service does not reconnect when the server disappears
under it, so it kept running and enumerated nothing; Zoom, started fresh
into a settled graph, looked fine and made it read like a browser bug.

reprobe now escalates cheapest-first — select → repair a parked card's
profile → restart the graph — so an ordinary plug never touches the graph
and no client loses its connection. wait_for_dock_sink polls for the sink
the plug is about to publish, so "not yet" is not mistaken for "not ever"
and cannot fall through to the restart. The restart stays as rung 3 for
the codec that only publishes its route after a re-probe: the one claim
the original comment made, and the only one it never demonstrated.

Verified on the dev box against the live graph: rung 1 selects the same
sink the restart-first path picked (HiFi__HDMI1__sink) in 2.0s instead of
~3.5s with pipewire/pulse/wireplumber MainPIDs unchanged; rung 3 reachable
and restarts+retries. Diagnosis proof was ordering across four boots —
restart-after-Chromium in both broken sessions, 24s before it in the
healthy one — and Bernardo reproduced on demand with a dock/undock.

Sweep: BACKLOG #138 deleted, ROADMAP gets the design record (incl. the
stale restart-first sentence in the #100 entry), V3 queued on the dev box
(relogin first — the watcher is exec-once), journal entry.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-16 09:43:14 +01:00
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