{
    "status": true,
    "message": "Stock balance retrieved successfully",
    "data": [
        {
            "unit_id": "f00e8400-e29b-41d4-a716-446655440110",
            "unit_name": "Ноутбук Dell XPS",
            "quantity": 15,
            "reserved": 3,
            "available": 12,
            "unit": {
                "id": "f00e8400-e29b-41d4-a716-446655440110",
                "name": "Ноутбук Dell XPS",
                "type": "product",
                "unit": "шт",
                "sale_price": 150000,
                "currency": "RUB"
            }
        }
    ],
    "meta": {
        "timestamp": "2026-06-14T12:00:00Z",
        "request_id": "...",
        "path": "/api/v1/companies/.../modules/wm/stocks/balance",
        "method": "GET"
    }
}