command_bus 1.2.0

Minimal command bus toolkit with middleware, safe result handling, and examples.

1.2.0

• добавлен generic тип S для передачи состояния в CommandBus<S> и CommandHandler<C, R, S>
• обработчики теперь получают состояние как второй параметр в методе handle(command, state)

1.1.0

• added Registry class for command-to-handler mapping
• CommandBus now extends Registry, exposing register/unregister/getHandler API
• updated pubdev version to 1.1.0

1.0.0

• core API laid out: Command, CommandHandler, CommandBus with middleware and Result
• custom exceptions, unregister support, README/docs, and comprehensive tests
• packaged example with middleware, dispatchSafe demo, and usage comments