curl --request PATCH \
  --url http://localhost:8080/api/agents/{agentId}/config/admin \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --header 'X-API-SECRET: <api-key>' \
  --data '
{
  "llm_config": {
    "model": "gpt-4",
    "provider": "openai",
    "temperature": 0.8
  },
  "tts_config": {
    "model": "tts-1",
    "provider": "openai",
    "voice_speed": 1.2
  }
}
'

{
  "message": "Agent configuration updated successfully",
  "status": "success",
  "error": null,
  "data": {
    "agent_id": "agent_123",
    "organization_id": "org_456",
    "llm_config": {
      "model": "gpt-4",
      "provider": "openai",
      "temperature": 0.8
    }
  }
}