curl --request POST \
  --url https://api.useanima.sh/v1/voice/search/cross-channel \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "query": "<string>",
  "channels": [],
  "agentId": "<string>",
  "limit": 10,
  "threshold": 0.3
}
'

{
  "results": [
    {
      "id": "<string>",
      "content": "<string>",
      "similarity": 123,
      "createdAt": "<string>",
      "agentId": "<string>",
      "callId": "<string>",
      "speaker": "<string>",
      "startTime": 123
    }
  ]
}