huahua-dsh-plugin-orchestra: DSH Plugin Management System

`huahua-dsh-plugin-orchestra` is a plugin management system built around the DSH philosophy, designed to address pain points in maintaining multiple plugins. It provides manifest management, update detection, one-click upgrades, backups, and rollbacks. The plugin supports both command-line and panel-integrated operations and enables cross-agent migration. Installation requires Node.js 22.19.0 or later, data is stored in `~/.dsh/plugin-orchestra/`, and GitHub API rate limits can be increased via environment variables. Exit codes include success, failed rollback, and situations requiring manual intervention.