<!-- Extension API v0 — pre-1.0. Interfaces may change without notice until P2 seals the custom-code format. First-party extensions track HEAD. -->

# `design.rollback`

Point the live site back at an earlier version (creates a new version entry; the draft is untouched).

- **scope**: `design:write`
- **storefront-visible** (bumps the catalog generation): no
- **destructive**: yes — supports dryRun preview

## Payload

| field | type | required | notes |
|---|---|---|---|
| `toSeq` | integer (1..9007199254740991) | yes |  |
| `label` | string (≤120 chars) | no |  |

### JSON Schema

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "toSeq": {
      "type": "integer",
      "minimum": 1,
      "maximum": 9007199254740991
    },
    "label": {
      "type": "string",
      "maxLength": 120
    }
  },
  "required": [
    "toSeq"
  ],
  "additionalProperties": false
}
```