Render help through command aliases

internal/commandmeta/metadata.go

@@ -47,6 +47,21 @@ type FlagAlias struct {
 	Target string
 }
 
+// CommandAlias describes one explicitly declared command route for help.
+type CommandAlias struct {
+	Source []string
+	Target []string
+}
+
+// HelpView selects a canonical or alias-only command help presentation.
+type HelpView struct {
+	EnteredPath    []string
+	CanonicalPath  []string
+	Discovery      bool
+	CommandAliases []CommandAlias
+	FlagAliases    []FlagAlias
+}
+
 // Failure is a neutral parsing or presentation failure.
 type Failure struct {
 	Message string