alarm 2

Host-level proactive wake-ups for DeepSeek Harness: let the model schedule its own alarms (once / interval / cron with random jitter), wake cold sessions on time, gate model-initiated follow-ups with quiet hours and a daily budget, and reclaim silent wake

时间提醒（reminder）— DSH 会话头部的时间模块：现在时间 / 距上次发言 / 提醒 / 倒计时。定位是会话内的短期提醒（纯 client 半，数据存浏览器本地）