tocmo0nlord 80824a7ab0 Add call recording (stereo WAV) + wire silence re-prompt watchdog ...

Stop debugging silence by guesswork: AudioBufferProcessor records every call to
recordings/<ts>_<callsid>.wav (caller=left, agent=right) so calls can be reviewed
with actual audio. (We had no audio before — that was the real gap; the earlier
"too quiet" explanation was unsupported.)

SilenceWatchdog: after the agent finishes, if the caller is silent for
SILENCE_REPROMPT_SECS (7s) it re-prompts ("are you still there?"); after
MAX_REPROMPTS it closes gracefully. This directly breaks the dead-silence
pattern (e.g. the 14s gap after the phone confirmation) instead of waiting.
Runtime-tested both. .gitignore already excludes recordings/.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-06-27 17:46:07 +00:00

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