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

{
  "success": true,
  "data": {
    "runId": "run_01HXYZ",
    "status": "queued",
    "startedAt": "2024-01-10T12:00:00Z"
  }
}