Events API

wijjit.core.events defines the event types, handler metadata, and the registry that dispatches input through your application.

Event types

`wijjit.core.events.Event`	Base event class.
`wijjit.core.events.KeyEvent`	Keyboard input event.
`wijjit.core.events.ActionEvent`	Action event triggered by UI elements.
`wijjit.core.events.ChangeEvent`	Value change event for form elements.
`wijjit.core.events.FocusEvent`	Focus change event.
`wijjit.core.events.MouseEvent`	Mouse input event.
`wijjit.core.events.EventType`	Event type enumeration.
`wijjit.core.events.HandlerScope`	Handler scope enumeration.

`wijjit.core.events.Handler`	Event handler registration.
`wijjit.core.events.HandlerRegistry`	Registry for managing and dispatching event handlers.