Function turnLabel

demo/chat/SessionSidebar.tsx:32–36

(message: ChatMessage, index: number)

}

function turnLabel(message: ChatMessage, index: number): string {
  const plain = message.content.replace(/<[^>]+>/g, " ").replace(/\s+/g, " ").trim();
  const snippet = plain.slice(0, 48) || "(empty)";
  return `#${index + 1} · ${snippet}${plain.length > 48 ? "…" : ""}`;
}

export function SessionSidebar({
  sessions,