dsh-plugin-supervisor: Unified Supervision Panel for DSH Plugins

dsh-plugin-supervisor is the plugin supervision sidebar panel for DeepSeek Harness, which centralizes the health status, DSH compatibility, usage frequency, Token costs, and version backups of installed plugins onto a single page, and supports in-page updates, disabling, uninstalling, and rolling back. The article introduces installation commands, typical usage, data access scope, and environment requirements.