[fix] 1초 미만 녹음 구간 Soniox 전송 제외 및 녹음 버튼·토론 기록 카드 UI 개선 - #534

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4, actions/checkout@v4, actions/setup-node@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

React Hook useEffect has a missing dependency: 'socket'. Either include it or remove the dependency array