@winterchenhuan/dsh-skills-viewer: DeepSeek Harness Web Read-only Skills Settings Page

`@winterchenhuan/dsh-skills-viewer` is an MIT-licensed pure UI plugin developed for DeepSeek Harness Web, aiming to address the lack of a read-only skill list viewing feature in the Web settings panel. The plugin retrieves the catalog of skills available for the current normal session via the `skill.list` wire RPC and adds a new page named `Skills` to the Settings panel. The page presents skill names, `model: off` badges, `description`, and `whenToUse` fields in an alphabetically sorted read-only list. It supports keyword-based search and filtering but does not provide a preview of the skill content or a manual refresh function. When the session changes or points to a subagent...