curl --request GET \
  --url http://localhost:3000/v1/partner/inventory

{
  "inventory": [
    {
      "sellable_product_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "product_name": "<string>",
      "product_image_url": "<string>",
      "quantity": 123,
      "reserved_quantity": 123,
      "available_quantity": 123
    }
  ],
  "total": 123
}