fix(cd): harden zoxide directory suggestions

commands/fs/cd.go

@@ -13,11 +13,8 @@ func init() {
 		Description: "change directory",
 		MaxArgs:     0,
 		Generator: func(tokens []string, prefix string, partial string) []spec.Suggestion {
-			// The file generator only reads the current directory, so `cd proj`
-			// comes back empty unless its parent is where you already are --
-			// which is not how cd is typically used. zoxide.extend-cd folds in
-			// the frecency database that `z` already queries, making any
-			// directory zoxide has seen reachable by name from anywhere.
+			// Extend cd with zoxide's frecency database while keeping local
+			// filesystem suggestions first.
 			if config.Get().Zoxide.ExtendCd {
 				return ZoxideGenerator()(tokens, prefix, partial)
 			}