AttemptResponse

{
  "attempt": {
    "id": "00000000-0000-4000-8000-000000000000",
    "operation_id": "string",
    "chat_id": "00000000-0000-4000-8000-000000000000",
    "assistant_message_id": "00000000-0000-4000-8000-000000000000",
    "surface": "standalone",
    "intent": "chat",
    "provider": "string",
    "requested_model": "string",
    "resolved_model": "string",
    "requested_reasoning": "default",
    "effective_reasoning": "default",
    "prompt_template_version": "string",
    "status": "pending",
    "queued_at": 0,
    "context_started_at": 0,
    "context_completed_at": 0,
    "provider_started_at": 0,
    "first_token_at": 0,
    "completed_at": 0,
    "request_payload_bytes": 0,
    "web_search_requested": false,
    "web_search_calls": 0,
    "context_payload_bytes": 0,
    "message_count": 0,
    "context_document_count": 0,
    "context_message_block_count": 0,
    "usage": {
      "prompt_tokens": 0,
      "cached_prompt_tokens": 0,
      "completion_tokens": 0,
      "reasoning_tokens": 0,
      "total_tokens": 0,
      "source": "provider_reported"
    },
    "context_used_tokens": 0,
    "context_limit_tokens": 0,
    "stop_reason": "string",
    "error_class": "configuration",
    "provider_response_id": "string"
  }
}