# `POST /article`

Protected. Requires a valid session cookie (`credentials: 'include'`).

Create article in category

Creates an article under an authorized category (`parentId`).

## Body (JSON)

| Field | Required | Type | Description |
|-------|----------|------|-------------|
| `categoryId` | yes | integer | Category ID under which to create the article |
| `name` | yes | string |  |
| `desc` | no | string | Article description text/HTML |
| `seo` | no | string | SEO text |
| `track_stock` | no | boolean | Whether to track inventory stock (defaults to false) |

```json
{
  "categoryId": 10,
  "name": "New article"
}
```

## Signals

On success, emits SSE signal: `articles` (see [`GET /events`](../events.md)).

## Response `201`

Created

```json
{
  "sku": "…"
}
```

## Errors

| Status | Description |
|--------|-------------|
| 400 | Validation error — `{"error":"…"}` |
| 401 | Unauthorized — `{"error":"…"}` |
| 403 | Not authorized for parent category — `{"error":"…"}` |
| 404 | Parent not found — `{"error":"…"}` |
| 409 | SKU already exists — `{"error":"…"}` |

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