dsh-kanban: A Kanban Plugin for Collaboration with AI Agents in DeepSeek Harness

`alpacachen/dsh-kanban` is a DeepSeek Harness (DSH) plugin designed to optimize workflows by integrating a task board. It addresses the synchronization lag issues of traditional external tools by allowing users and AI agents to share task status, priorities, and change history within the same interface, achieving seamless alignment between conversation and task management. The plugin supports creating, editing, and dragging cards and lists, along with label management, P0-P2 priority filtering, and activity timeline tracking. Core features include 14 built-in `kanban_*` tools for agent invocation, the ability to send card content to the current or a new session, and support for workspace isolation, disk persistence, and dark mode. Installation requires DSH with React 18.2+ support, executed via `dsh p