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An agent loop needs a save editor that refuses: byte-exact writes and four measured states

This story is from 2026-10-27. It is preserved in the archive; the latest stories are on the live feed.

An agent that edits a game's save file is one bad write away from destroying the thing it was asked to test. The interesting engineering is not "can a script write a file" — any script can. It is: can the write be predicted, refused when the world changed, and undone exactly? We build a Godot addon…

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  1. 2026-10-27 01:03 · DEV Community — AI
    An agent loop needs a save editor that refuses: byte-exact writes and four measured states

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