// Package systemd defines the exact systemd boundary used by native executors.
package systemd

import (
	"context"
	"errors"
)

var ErrUnitNotFound = errors.New("systemd unit not found")

// Unit is the systemd state required for idempotent start and stop inspection.
type Unit struct {
	Name        string
	LoadState   string
	ActiveState string
	SubState    string
}

// Manager performs direct systemd operations without invoking a shell.
type Manager interface {
	Inspect(context.Context, string) (Unit, error)
	Start(context.Context, string) error
	Stop(context.Context, string) error
}