One fix, worth its own release: on-call detection on macOS works again.
The 1.25 rewrite misread how macOS reports microphone use. The system logs an attribution line only when the set of apps using the mic changes, not continuously, so long Zoom and Teams calls were cleared minutes in, or never detected at all. The proven event-driven behaviour is restored: detect on the start event, hold through quiet, clear on the end event.
If you use the on-call hook on a Mac, download the new barpilot-usage-helper.py (helper v29) and restart it. Windows detection and everything else is unchanged from 1.25.