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.

The living DeepSeek Harness plugin directory — refreshed hourly, compat-tested daily, with an in-app plugin store and scaffolder. DSH 插件活目录：每小时刷新，每日兼容实测，内置插件商店与脚手架。