Postmortem: The Agent Patch That Passed CI and Broke Staging
This story is from 2026-11-05. It is preserved in the archive; the latest stories are on the live feed.
At 02:14 the pipeline went green, and green was the only signal the on-call engineer had that night. An agent-authored patch added a btree index to a table with eighty million rows, the migration applied in eleven seconds against an empty CI database, and staging locked up nine minutes after the de…
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- 2026-11-05 15:07 · DEV Community — AI
Postmortem: The Agent Patch That Passed CI and Broke Staging