Install command aliases atomically

app.go

@@ -3,6 +3,7 @@ package commandkit
 import (
 	"fmt"
 
+	"gitea.maximumdirect.net/eric/CommandKit/internal/alias"
 	commandmeta "gitea.maximumdirect.net/eric/CommandKit/internal/commandmeta"
 )
 
@@ -12,6 +13,7 @@ type App struct {
 	identity     Identity
 	commands     map[string]*commandNode
 	routingRules []RoutingRule
+	aliases      *alias.Resolver
 	snapshot     *routingSnapshot
 }