feat: machine pages Порты, Статус, Изменить as dialogs over the current page; Действие column in the ports table

internal/server/handlers_panel.go

@@ -402,7 +402,8 @@ func (s *Server) handleAgentRename(w http.ResponseWriter, r *http.Request) {
 	if name != "" {
 		_ = s.db.RenameAgent(id, name)
 	}
-	http.Redirect(w, r, "/", http.StatusSeeOther)
+	// Back to «Изменить», with the new name: the machine dialog stays open.
+	http.Redirect(w, r, "/agents/"+id+"/edit", http.StatusSeeOther)
 }
 
 // --- settings ---