desktop-notifications

🔔 Herald 传令官 — DSH 三通道任务通知：页内浮层、浏览器横幅、宿主直发系统通知（浏览器关闭也送达） | Tri-channel task notifications for DeepSeek Harness: in-page toasts, browser banners & host-direct OS toasts that survive a closed browser

Completion and status notifications for DeepSeek Harness: desktop alerts, browser-tab unread counts, and sidebar session indicators, with per-event controls.

DSH (DeepSeek Harness) plugin — Windows toast + chime the moment the agent needs you: turn done, blocked, error, approval, question, plan review.