Classifies a registry entry against the local skill folders (for the Search view).
Restores a drifted skill from the registry content.
Downloads and installs a registry skill into ~/.agents/skills/<name>.
Adopts an existing local skill folder by writing the registry metadata file.
Lists every skill folder under ~/.agents/skills.
Removes an installed (registry-managed) skill folder.
Removes the registry metadata file from a skill folder while keeping its other files.
Clean-replaces an installed skill with the latest registry content.
Classifies a local skill folder against the registry (for the Installed view).