fieldSummary function

function fieldSummary(form: SavedForm): string {
  if (form.templateFields && form.templateFields.length > 0) {
    const fixed = form.templateFields.filter((f) => f.mode === "fixed").length;
    const gen = form.templateFields.filter(
      (f) => f.mode === "generator",
    ).length;
    const parts: string[] = [];
    if (fixed > 0) parts.push(`${fixed} fixo${fixed > 1 ? "s" : ""}`);
    if (gen > 0) parts.push(`${gen} gerador${gen > 1 ? "es" : ""}`);
    return parts.join(", ");
  }
  return `${Object.keys(form.fields || {}).length} campos`;
}