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

# `design.publish`

Publish the current draft as the next live version (validates strictly; flips the live pointer).

- **scope**: `design:write`
- **storefront-visible** (bumps the catalog generation): no
- **destructive**: no

## Payload

| field | type | required | notes |
|---|---|---|---|
| `expectedHash` | string (/^[a-f0-9]{16}$/) | yes |  |
| `label` | string (≤120 chars) | no |  |
| `workspace` | string (/^(main\|ws_[0-9A-HJKMNP-TV-Z]{26})$/, default "main") | no |  |

### JSON Schema

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "expectedHash": {
      "type": "string",
      "pattern": "^[a-f0-9]{16}$"
    },
    "label": {
      "type": "string",
      "maxLength": 120
    },
    "workspace": {
      "default": "main",
      "type": "string",
      "pattern": "^(main|ws_[0-9A-HJKMNP-TV-Z]{26})$"
    }
  },
  "required": [
    "expectedHash"
  ],
  "additionalProperties": false
}
```