Simple keyboard input & pause system

node/inode.go

@@ -1,7 +1,18 @@
 package node
 
+type ProcessMode uint8
+
+const (
+	DefaultProcessMode ProcessMode = iota
+	PausedProcessMode
+	ActiveProcessMode
+)
+
 type INode interface {
 	GetName() string
 	Update() error
 	ready(INode) error
+	IsProcessing() bool
+	GetProcessMode() ProcessMode
+	SetProcessMode(ProcessMode)
 }