# `GET /modelconversation/{id}/message`

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

List conversation messages

Lists messages of one of the user's own conversations, oldest first.

## Path parameters

| Param | Required | Type | Description |
|-------|----------|------|-------------|
| `id` | yes | integer | Conversation ID |

## Response `200`

List of messages

```json
{
  "messages": [
    {
      "id": 1,
      "conversation_id": 1,
      "created_at": "…",
      "role": "system",
      "message": "…"
    }
  ]
}
```

## Errors

| Status | Description |
|--------|-------------|
| 400 | Invalid ID or no company selected — `{"error":"…"}` |
| 401 | Unauthorized — `{"error":"…"}` |
| 403 | Not authorized — `{"error":"…"}` |
| 404 | Conversation not found — `{"error":"…"}` |

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