Real-Time dsh-TUI Status Reporting to Herdr Multiplexer

The `dsh-tui-herdr` plugin synchronizes DeepSeek Harness (DSH) lifecycle status to Herdr in real time, addressing task-tracking pain points. Core features include sidebar status display (working/blocked/done), automatic dormant-session activation, and zero-overhead status reporting. Installation requires downloading the tgz file and installing it locally, and it supports fire-and-forget mode. The plugin listens to dsh events (such as turn/start) and calls the official API to report status; it supports only top-level sessions, consistent with official behavior.