Plugin API

Definition fields

Field	Type	Notes
`name`	string	Required. Letters, numbers, underscores, and hyphens only.
`setup`	function	Required. Receives `KlackApi`; register cleanup with the provided methods.
`description`	string	Optional human-readable summary.
`version`	string	Optional plugin version shown by `Klack.list()`.
`defaultEnabled`	boolean	Defaults to `true`. A saved user override takes precedence.

Property	Description
`klack.ui`	The scoped methods documented in UI contributions.
`klack.dom`	Incremental selector watching and scoped mutation observers.
`klack.events`	Plugin-owned event listeners.
`klack.timers`	Plugin-owned timeouts, intervals, and animation frames.
`klack.cleanup`	Registers cleanup for direct changes and third-party APIs.
`klack.logger`	Slack renderer’s `console`, suitable for namespaced development logs.
`klack.version`	The currently running Klack version.

The frozen window.Klack object exposes:

Klack.version
Klack.list()
Klack.isEnabled(name)
Klack.enable(name)
Klack.disable(name)

Plugin modules must default-export a definition with name and setup.