Payment Link Reader

# Fetch product info by link_id
npm run get-link -- 

Example:

npm run get-link -- lnk_BUDBgiGTWejFs8v0FbdpR3iJ83CG1tua

Output format (JSON):

{
  "linkId": "lnk_xxx",
  "linkName": "Premium Membership",
  "products": [
    {
      "name": "Premium Plan",
      "description": "Unlock all features",
      "imageUrl": "https://example.com/image.png",
      "quantity": 1,
      "unitPriceUSD": "1.00",
      "attributes": [{ "name": "Duration", "value": "1 Month" }]
    }
  ],
  "supportedPaymentTokens": [
    {
      "symbol": "USDC",
      "chainName": "Polygon",
      "chainId": "137",
      "amountInUSD": "3.00"
    }
  ]
}