Hi HN - author here. Problem I kept hitting: ask the agent for a 15-line fix, get a 500-line renovation that still compiles and passes tests. Boffin is a small control layer for AI coding agents. Before an edit, it feeds the agent only the architectural constraints for the file it is about to touch, then makes it verify the result. Not another static AGENTS.md for the whole repo. On DuckDB, a guided refactor landed a…
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