Function buildTraceSpans

apps/sim/lib/logs/execution/trace-spans/trace-spans.ts:59–76

(result: ExecutionResult)

 *      relative timestamps + total duration derived from the earliest start / latest end.
 */
export function buildTraceSpans(result: ExecutionResult): {
  traceSpans: TraceSpan[]
  totalDuration: number
} {
  if (!result.logs?.length) {
    return { traceSpans: [], totalDuration: 0 }
  }

  const spans = buildRootSpansFromLogs(result.logs)
  const grouped = groupIterationBlocks(spans)

  if (grouped.length === 0 || !result.metadata) {
    const totalDuration = grouped.reduce((sum, span) => sum + span.duration, 0)
    return { traceSpans: grouped, totalDuration }
  }

  return wrapInWorkflowRoot(grouped, spans)
}

/** Converts each BlockLog into a TraceSpan, sorted chronologically by start time. */
function buildRootSpansFromLogs(logs: BlockLog[]): TraceSpan[] {