Create a new product schema with column definitions.
| Type | Description |
|---|---|
text | Plain text string. |
number | Numeric value (integer or float). |
url | A valid URL. |
email | An email address. |
date | A date or datetime string. |
boolean | true or false. |
richtext | HTML or markdown formatted text. |
enum | One of a predefined set of values (see enum_values). |
tags | Array of string tags. |
image | A single image URL. |
images | Array of image URLs. |
json | Arbitrary JSON object. |