async function batchSetItems(collection: any, items: any[], batchSize = 100) {
  for (let i = 0; i < items.length; i += batchSize) {
    const batch = items.slice(i, i + batchSize);
    await collection.setItems(batch);
    console.log(`Synced ${Math.min(i + batchSize, items.length)}/${items.length}`);
    if (i + batchSize < items.length) {
      await new Promise(r => setTimeout(r, 1000)); // 1s between batches
    }
  }
}

// Debounce rapid plugin UI interactions
function debounce<T extends (...args: any[]) => any>(fn: T, ms = 300) {
  let timer: NodeJS.Timeout;
  return (...args: Parameters<T>) => {
    clearTimeout(timer);
    timer = setTimeout(() => fn(...args), ms);
  };
}

const debouncedSync = debounce(async () => {
  await syncCollection();
}, 500);

async function withRetry<T>(fn: () => Promise<T>, maxRetries = 3): Promise<T> {
  for (let i = 0; i <= maxRetries; i++) {
    try {
      return await fn();
    } catch (err: any) {
      if (i === maxRetries) throw err;
      const delay = 1000 * Math.pow(2, i);
      console.log(`Retry ${i + 1} in ${delay}ms`);
      await new Promise(r => setTimeout(r, delay));
    }
  }
  throw new Error('Unreachable');
}