Function executeOutcomeAttributes

packages/core/execution/src/engine.ts:94–107

(result: ExecuteResult)

const executeOutcomeAttributesCache = new WeakMap<ExecuteResult, Record<string, unknown>>();

const executeOutcomeAttributes = (result: ExecuteResult): Record<string, unknown> => {
  const cached = executeOutcomeAttributesCache.get(result);
  if (cached) return cached;
  const attributes = {
    "mcp.execute.result_chars": measureResultChars(result.result),
    "mcp.execute.log_chars": result.logs?.reduce((total, line) => total + line.length, 0) ?? 0,
    "mcp.execute.emitted": result.output?.length ?? 0,
    ...(result.error
      ? { "mcp.execute.outcome": "fail", "mcp.execute.error_kind": result.errorKind ?? "unknown" }
      : { "mcp.execute.outcome": "ok" }),
  };
  executeOutcomeAttributesCache.set(result, attributes);
  return attributes;
};

/**
 * Stamp the current `mcp.execute` / `mcp.execute.resume` span with how the