# `GET /company/export`

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

Export company catalog as zip archive (SSE)

Exports full company catalog data (categories hierarchy, articles, variants, brands, pictures)
into a round-trip compatible .zip archive matching the format of `/company/import`.
Streams progress events via Server-Sent Events (`text/event-stream`), followed by base64-encoded
binary chunks in `chunk` events and a final `done` event.


## Query parameters

| Param | Required | Type | Description |
|-------|----------|------|-------------|
| `stream` | no | string | Force SSE stream mode (`1`) or direct binary download (`0`) |

## Response `200`

Export progress stream (`text/event-stream`) with binary chunks, or raw ZIP file

## Errors

| Status | Description |
|--------|-------------|
| 400 | Bad request (no company selected) — `{"error":"…"}` |
| 401 | Unauthorized — `{"error":"…"}` |
| 500 | Server error — `{"error":"…"}` |

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