# `GET /articleIndex`

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

List article search index

Returns every article reachable via the company's category tree.
Designed for client-side search / autocomplete preload.
Auth via company access.


## Response `200`

Search index

```json
{
  "articles": [
    {
      "id": 1,
      "sku": "…",
      "name": "…",
      "eans": [
        "…"
      ],
      "categoryIds": [
        1
      ]
    }
  ]
}
```

## Errors

| Status | Description |
|--------|-------------|
| 400 | No company selected — `{"error":"…"}` |
| 401 | Unauthorized — `{"error":"…"}` |
| 403 | Not authorized — `{"error":"…"}` |
| 404 | Company not found — `{"error":"…"}` |

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