21f5b24cbf
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Build Release Binaries / build-amd64 (push) Failing after 3m39s
The VPIO/CPAL audio handles were dropped at the end of start(), killing the audio unit immediately. Audio I/O stopped working after the first frame. - Store audio handle in CallEngine via SyncWrapper - Drop MutexGuard before returning from status() (Send future) - Audio streams now live for the entire call duration Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>