Add observe-only health monitoring with bounded opt-in recovery - #22
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Adapt conservative watchdog decisions and diagnostics from PR8; cancel collection and wait for recovery restoration on shutdown. Keep audio remedies and USB diagnostics explicitly opt-in. Co-authored-by: Zedwil <nylegarcia01@gmail.com>
Reset sampling continuity rather than attempt budgets when a valid graph omits a watched node. Cover cap and cooldown preservation when the same capture and sink return, and keep monitor tests compatible with Python 3.10. Co-authored-by: Zedwil <nylegarcia01@gmail.com>
This was referenced Sep 8, 2026
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Reviewed replacement for #8, part 10/12. Original contribution: Zedwil / NyleGarcia.
Stack
Depends on #21; base is
pr8-09-effects-calibration. Merge the parent first. These are ordered review slices, not independent cherry-picks.Scope
Verification
Actual isolated daemon detected a deliberately frozen raw tap while another client continued receiving PCM. Output/module state stayed unchanged and children were reaped. Recovery budget and restoration decisions are regression-tested; physical card cycling was not exercised.
Runtime scenarios were exercised on the integrated stack. Hardware-facing tests do not imply physical USB/phantom-power certification.