claude code review changes

route.go

@@ -33,7 +33,7 @@ func (s *RouteList) Get(index int) (string, error) {
 	defer s.mu.RUnlock()
 
 	if index < 0 || index >= len(s.routes) {
-		return "0", fmt.Errorf("index out of bounds")
+		return "", fmt.Errorf("index out of bounds")
 	}
 	return s.routes[index], nil
 }
@@ -47,5 +47,7 @@ func (s *RouteList) All() []string {
 	s.mu.RLock()
 	defer s.mu.RUnlock()
 
-	return s.routes
+	out := make([]string, len(s.routes))
+	copy(out, s.routes)
+	return out
 }