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Ask HN: How Would You Harden AI Changes to a 1M-Line Legacy SaaS Before Review?

First seen · 7/25/2026, 03:19 PMLatest activity · 7/25/2026, 03:19 PM

This Hacker News Ask HN thread discusses how to harden AI-generated or AI-assisted changes to a one-million-line legacy SaaS codebase before human review. The page metadata reports a score of 4 and 16 comments. Based on the supplied information, the thread is best treated as an experience-sharing discussion rather than validated engineering guidance: the specific recommendations, trade-offs, and evidence in the comments are not available here.

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  1. CommunityHacker News7/25, 03:19 PMnot independentcommunity 4 pts / 16 commentsRepresentative
    Ask HN: How Would You Harden AI Changes to a 1M-Line Legacy SaaS Before Review?