curl --request POST \
  --url https://api.acornops.dev/api/v1/sessions/{sessionId}/messages \
  --header 'Content-Type: application/json' \
  --cookie acornops_cp_session= \
  --data '
{
  "content": "Pods restarted after rollout, but p95 latency is still elevated. Check likely causes.",
  "toolAccessMode": "read_only",
  "clientMessageId": "4f004ae2-4288-4baf-9be4-124d61180f0c-msg-1",
  "references": [
    {
      "kind": "tool",
      "id": "list_pods"
    }
  ],
  "llm": {
    "provider": "openai",
    "model": "gpt-5-nano",
    "reasoningEffort": "high"
  }
}
'

const options = {
  method: 'POST',
  headers: {cookie: 'acornops_cp_session=', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    content: 'Pods restarted after rollout, but p95 latency is still elevated. Check likely causes.',
    toolAccessMode: 'read_only',
    clientMessageId: '4f004ae2-4288-4baf-9be4-124d61180f0c-msg-1',
    references: [{kind: 'tool', id: 'list_pods'}],
    llm: {provider: 'openai', model: 'gpt-5-nano', reasoningEffort: 'high'}
  })
};

fetch('https://api.acornops.dev/api/v1/sessions/{sessionId}/messages', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "message_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "run_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "runtimeSelection": {
    "provider": "openai",
    "model": "<string>",
    "reasoningEffort": "off"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "retryable": true,
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "retryable": true,
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "retryable": true,
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "retryable": true,
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "retryable": true,
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "retryable": true,
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "retryable": true,
    "details": {}
  }
}