curl --request GET \
  --url https://app.autoposting.ai/api-proxy/agents/{agentId}/outputs \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "outputs": [
      {
        "id": "post_01HXYZ",
        "runId": "run_01HXYZ",
        "text": "5 lessons I learned building a SaaS in public...",
        "platforms": [
          "linkedin"
        ],
        "status": "draft",
        "createdAt": "2024-01-10T09:00:45Z"
      }
    ],
    "total": 1
  }
}