Concurrent Tool Calls Scramble Logs. Diff the Span DAG Instead.
This story is from 2026-09-04. It is preserved in the archive; the latest stories are on the live feed.
A support bot fired three tools during one user turn. The parent span still closed with a success status. The refund tool had failed two seconds earlier. Logs arrived in wall-clock order, not causal order. The search line printed after the refund timeout. A reviewer read the file top to bottom and…
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- 2026-09-04 17:29 · DEV Community — AI
Concurrent Tool Calls Scramble Logs. Diff the Span DAG Instead.