feat(relay): add echo_gate_enabled toggle to bypass echo gate on no-echo paths#66
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…cho paths Session B echo gate injects silence during Session A TTS to suppress acoustic echo. On a handset/headset there is no acoustic echo path, so this deletes the recipient's real speech (confirmed in prod: recipient at peak_rms=2092 fully silenced -> buffer 0.00ms -> 15s timeout -> hallucinated filler). Add env-gated echo_gate_enabled (default True, behavior-neutral). When False, EchoGateManager passes all audio through. - config.py: echo_gate_enabled: bool = True - echo_gate.py: enabled param + guards in _activate/on_tts_done/filter_audio - voice_to_voice.py, text_to_voice.py: pass enabled=settings.echo_gate_enabled - tests: 4 new (disabled no-ops + enabled control), 86 pass Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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배경
7/4 00:35 KST에 US VM(
wigvo-relay)에feat/echo-gate-toggle-demo브랜치(f9af061)가 수동 배포되어, 프로덕션이 main과 다른 코드를 돌고 있습니다. 이 PR은 그 배포된 변경을 main에 정식으로 머지해서 코드와 프로덕션을 다시 일치시킵니다.feat/echo-gate-toggle)는 demo 브랜치와 patch-id가 동일한 커밋을 현재 main 위에 리베이스한 것입니다.변경 내용
echo_gate_enabled설정 토글 추가 — 에코가 물리적으로 발생하지 않는 경로에서 echo gate를 우회echo_gate.py에 우회 분기,text_to_voice.py/voice_to_voice.py에 토글 전달test_echo_gate.py)🤖 Generated with Claude Code