MultiResponseCatTrendOverviewSummary

{
    "success": true,
    "errorCode": "string",
    "errorMessage": "string",
    "data": [
        {
            "date": "2026-01",
            "site": "tw",
            "catId": 100001,
            "catName": "Women's Clothing",
            "level": 1,
            "itemCount": 50000,
            "activeItemCount": 30000,
            "sales": 1000000,
            "gmv": 50000000,
            "brandCount": 500,
            "shopCount": 2000,
            "activeShopCount": 1500
        }
    ]
}