Module plugin 

Plugin CLI surface.

Responsibilities:

• Define Clap args for plugin management.

Not handled here:

• Filesystem operations (see crate::commands::plugin).

Invariants/assumptions:

• install copies a plugin directory containing plugin.json into the chosen scope.
• Installing does NOT auto-enable the plugin (security).

Structs

PluginArgs

PluginInitArgs

Enums

PluginCommand

PluginScopeArg