fix(cd): harden zoxide directory suggestions

spec/lookup.go

@@ -2,6 +2,7 @@ package spec
 
 import (
 	"maps"
+	"path/filepath"
 	"slices"
 	"strings"
 	"sync"
@@ -274,15 +275,15 @@ func Lookup(input string) []Suggestion {
 			}
 
 			suggested := g.Cmd
-			if strings.Contains(suggested, " ") && !strings.HasPrefix(suggested, "\"") {
-				suggested = "\"" + suggested + "\""
+			if filepath.IsAbs(g.Cmd) || strings.ContainsAny(g.Cmd, " \t\r\n") {
+				suggested = quoteSuggestionArgument(g.Cmd)
 			}
 
-			// if the suggestion is a full path that includes
-			// words already in the command line (multi-word support), we replace
-			// the entire argument part by using prefix only
+			// Absolute results replace all typed arguments, avoiding duplication
+			// for multi-word directory matches.
 			finalCmd := ""
-			if len(tokens) > depth+1 && strings.HasPrefix(g.Cmd, tokens[depth]) {
+			replaceArguments := strings.HasPrefix(g.Cmd, tokens[depth]) || filepath.IsAbs(g.Cmd)
+			if len(tokens) > depth+1 && replaceArguments {
 				finalCmd = prefix + " " + suggested
 			} else if genLinePrefix != "" {
 				finalCmd = genLinePrefix + " " + suggested
@@ -382,6 +383,21 @@ func Lookup(input string) []Suggestion {
 	return results
 }
 
+func quoteSuggestionArgument(argument string) string {
+	prefix := ""
+	value := argument
+	if strings.HasPrefix(value, "~/") {
+		prefix = "~/"
+		value = strings.TrimPrefix(value, prefix)
+	}
+	if !strings.ContainsAny(value, " \t\r\n'\"\\$`!;&|<>()*?[]{}#^") {
+		return argument
+	}
+
+	escaped := strings.ReplaceAll(value, "'", `'\''`)
+	return prefix + "'" + escaped + "'"
+}
+
 func topLevelSuggestions(query string, aliases map[string]string) []Suggestion {
 	scanExternalCommands()
 	results, seen := []Suggestion{}, make(map[string]bool)