Preventing AI Coding Snowballs: The Cost of Unvalidated Changes
UkrMalt · reddit · 2026-09-01
A developer shares a painful lesson using Codex: a single performance regression that went unnoticed snowballed into a two-day debugging nightmare as valid changes piled on top of it. The key takeaway is that bad AI changes are much harder to fix if not validated immediately. The post discusses potential guardrails: small checkpoints, isolated worktrees, automated smoke tests, physical device checks, or human review.
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