cc-hooks-ts

```typescript
// Hook to validate customer order data for a retail company
import { ClaudeHook } from 'cc-hooks-ts'

interface OrderData {
  orderId: string;
  customerId: string;
  items: Array<{
    productId: string;
    quantity: number;
  }>;
  totalAmount: number;
}

const validateOrderHook: ClaudeHook<OrderData> = async (data) => {
  // Validate order data structure
  if (!data.orderId || !data.customerId || !data.items || data.totalAmount === undefined) {
    throw new Error('Invalid order data structure');
  }

  // Validate each item in the order
  for (const item of data.items) {
    if (!item.productId || item.quantity <= 0) {
      throw new Error('Invalid item data');
    }
  }

  // Validate total amount
  if (data.totalAmount <= 0) {
    throw new Error('Total amount must be positive');
  }

  return { status: 'success', data };
}

export default validateOrderHook;
```