set -euo pipefail
cd /opt/ai-avatar-demo
LOG="/opt/ai-avatar-demo/logs/gate602_m4a_r2_worker.log"
M4A_R2_STT_TEXT="${M4A_R2_STT_TEXT:-Mars 測試 M4A-R2，請回覆一句自然中文。}" \
  /opt/ai-avatar-demo/services/livekit-agent/.venv/bin/python \
  /opt/ai-avatar-demo/work/gate602_m4a_r2_livekit_worker.py \
  > "$LOG" 2>&1
echo "M4A_R2_WORKER_LOG=$LOG"
tail -260 "$LOG"