Function handleSearchChange

frontend/src/react/components/ExprEditor.tsx:326–330

(q: string)

  };

  const handleSearchChange = (q: string) => {
    setSearch(q);
    if (debounceRef.current) clearTimeout(debounceRef.current);
    debounceRef.current = setTimeout(() => doSearch(q), 300);
  };

  const handleSelect = (v: string) => {
    onChange(v);