{
    "title": "product_categories",
    "type": "object",
    "properties": {
        "id": {
            "type": "integer",
            "description": "Primary key, auto-increment"
        },
        "name": {
            "type": "string",
            "description": "Category display name"
        },
        "slug": {
            "type": "string",
            "description": "URL slug, unique"
        },
        "parent_id": {
            "type": "integer",
            "description": "Parent category id, nullable"
        },
        "description": {
            "type": "string",
            "description": "Short description"
        },
        "image_url": {
            "type": "string",
            "description": "Category hero image URL"
        },
        "sort_order": {
            "type": "integer",
            "description": "Display order"
        },
        "is_active": {
            "type": "boolean",
            "description": "Whether category is visible"
        }
    },
    "required": [
        "id",
        "name",
        "slug"
    ]
}