curl --request PATCH \
  --url https://app.autoposting.ai/api-proxy/brands/{brandSlug} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Acme Corporation",
  "description": "Updated description",
  "logoUrl": "<string>"
}
'

{
  "success": true,
  "data": {
    "id": "brand_01HXYZ",
    "name": "Acme Corp",
    "slug": "acme-corp",
    "description": "Official Acme brand",
    "logoUrl": null,
    "order": 0,
    "connectedPlatforms": [
      "x",
      "linkedin"
    ],
    "createdAt": "2024-01-01T00:00:00Z",
    "updatedAt": "2024-01-01T00:00:00Z"
  }
}