dsh-skill-switch

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Windows-only Skill management for DeepSeek Harness Web. The plugin scans one central directory and selectively exposes user-global Skills in $DSH_HOME/skills through directory Junctions.

The default central directory is ~/.cc-switch/skills. Version 0.1.0 targets DSH dsh-v0.1.1-rc.2 at commit b150a551b8d465e31e418e1b2eaf5e79bbb7d28e.

Scope

• Manages user-global DSH Skills only.
• Accepts direct <name>/SKILL.md directory bundles.
• Creates and removes Windows Junctions only.
• Never installs, updates, edits, or deletes central Skills.
• Never adopts existing files, directories, or links in $DSH_HOME/skills.
• Does not manage project Skills or other agents.

Install

Install a reviewed commit into a DSH profile:

dsh plugin --profile <profile> add github:hzthzt/dsh-skill-switch#<commit-sha>
dsh --profile <profile> --dump-config
dsh --profile <profile> web

The repository commits lib/, so Git installation does not need to run a build script. A local tarball can be installed instead:

pnpm pack
dsh plugin --profile <profile> add ./dsh-skill-switch-0.1.0.tgz

Open DSH Settings and select Skills.

Skill format

The central directory is scanned one level deep. Source directory links and linked SKILL.md files are ignored. A valid Skill uses a kebab-case directory name and matching YAML frontmatter:

central-directory/
`-- example-skill/
    `-- SKILL.md

---
name: example-skill
description: A non-empty description.
---

The configured central path must be a Windows absolute path or start with ~. Environment-variable expressions such as %USERPROFILE% are not expanded. The central directory and $DSH_HOME/skills cannot contain one another.

States

State	Meaning	Action
available	Valid central Skill with no target entry	Can be enabled
enabled	Junction is owned and verified by this plugin	Can be disabled
conflict	An external target already uses the same name	Read-only
invalid	Directory or frontmatter validation failed	Read-only unless already managed
broken	The source disappeared while the owned Junction remains	Can be disabled safely

Existing ordinary directories such as ~/.dsh/skills/nai-fadian remain externally managed. A same-named central Skill is reported as a conflict and its toggle is disabled.

Safety model

Ownership records are stored in $DSH_HOME/skill-switch/manifest.json. The manifest is versioned, strictly validated, and replaced atomically. Every record includes the source and filesystem identity of the Junction created by this plugin.

Before removal, the plugin validates the Skill name, recomputes the target under $DSH_HOME/skills, verifies that the target is still a link with the recorded identity, and verifies its destination. A missing target is pruned from the manifest. A replaced target loses ownership and is displayed as external. Source Skills are never removed.

All scans and mutations share one serial queue. Changing the central directory is refused while any verified managed Junction remains; use Disable all first. On non-Windows hosts, the Remote returns unsupported-platform and performs no filesystem mutation.

Development

Use Node.js 24 and pnpm@11.7.0:

pnpm install --frozen-lockfile
pnpm typecheck
pnpm test
pnpm build
git diff --exit-code -- lib
pnpm pack

The build runs the pinned Typert generator and commits lib/ artifacts intentionally. Windows tests use real Junctions; the Ubuntu test job verifies build behavior and the explicit unsupported-platform result.

License

MIT