function parseInteractiveCardContent(parsed) {
  if (!parsed || typeof parsed !== "object") return "[Interactive Card]";
  const texts = [];

  // Extract header title
  if (parsed.header?.title?.content) texts.push(parsed.header.title.content);
  // Extract top-level title (fallback format)
  else if (typeof parsed.title === "string" && parsed.title.trim()) texts.push(parsed.title);

  const elements = Array.isArray(parsed.elements) ? parsed.elements
    : Array.isArray(parsed.body?.elements) ? parsed.body.elements : null;
  if (!elements) return texts.join("\n").trim() || "[Interactive Card]";

  for (const element of elements) {
    // Handle nested arrays (post fallback format)
    if (Array.isArray(element)) {
      for (const sub of element) {
        if (!sub || typeof sub !== "object") continue;
        if (sub.tag === "text" && typeof sub.text === "string" && sub.text.trim()) {
          texts.push(sub.text);
        }
        if (sub.tag === "a" && typeof sub.text === "string") {
          texts.push(sub.text);
        }
      }
      continue;
    }
    if (!element || typeof element !== "object") continue;
    // Existing card template format handlers
    if (element.tag === "div" && typeof element.text?.content === "string") {
      texts.push(element.text.content);
      continue;
    }
    if (element.tag === "markdown" && typeof element.content === "string") {
      texts.push(element.content);
    }
    // Additional: plain_text elements
    if (element.tag === "plain_text" && typeof element.content === "string") {
      texts.push(element.content);
    }
  }
  return texts.join("\n").trim() || "[Interactive Card]";
}