curl --request GET \
  --url https://app.autoposting.ai/api-proxy/brands \
  --header 'Authorization: Bearer <token>'

{
  "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"
    }
  ]
}