set -euo pipefail
cd /opt/ai-avatar-demo
LOG="/opt/ai-avatar-demo/logs/gate602_m4a_runner.log"
M4A_LLM_MODEL="${M4A_LLM_MODEL:-gpt-4o-mini}" \
M4A_TEST_STT_TEXT="${M4A_TEST_STT_TEXT:-Mars 測試 M4A：請用一句自然中文回覆。}" \
  /opt/ai-avatar-demo/services/stt/.venv/bin/python \
  /opt/ai-avatar-demo/work/gate602_m4a_minimal_runner.py \
  > "$LOG" 2>&1
echo "M4A_RUNNER_LOG=$LOG"
tail -160 "$LOG"