DSH plugin development as an on-demand agent skill: official docs mirror, version-compatibility matrix, migration seams, measured pitfalls, plus a scaffolder, checker and pack verifier CLI.

DeepSeek Harness 终极指南：快速入门、资源推荐、精选插件与实用工具 ｜The Ultimate Guide to DeepSeek Harness: QuickStart, Resources, Plugins&Toolkit