Shrink the Trace, Not the Bug: A Prefix Minimizer for Failing Agent Runs
This story is from 2026-11-05. It is preserved in the archive; the latest stories are on the live feed.
Your CI job fails on Tuesday. The same agent run passed on Monday. No prompt change, no model bump, no new tool. The trace holds 61 spans. A full replay takes four minutes. Two spans actually matter. That gap is the debugging tax on agent work. This post closes it with one artifact: a prefix minimi…
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- 2026-11-05 15:23 · DEV Community — AI
Shrink the Trace, Not the Bug: A Prefix Minimizer for Failing Agent Runs