DSH Skill Library (dsh-skillbox): Collect local skills and experts in one panel

fenshal's DSH client plugin dsh-skillbox (v0.2.0, MIT) aggregates SKILL.md files and expert packages from directories such as DSH, WorkBuddy, Claude Code, Codex, and Doubao into a full-page sidebar interface: it supports search and preview, one-click copying to `~/.dsh/skills`, and selecting session experts by turn. Furthermore, it supports discovering and installing skills via SKILL.md on GitHub. Installation is done via `plugin_manager install_bundle` pointing to a cloned or Release extracted directory, with optional configuration for GitHub tokens and export package scan paths. This article explains the functionality, usage, configuration, and read-only import boundaries based on the official README.