Index
Engineering Notes
Short notes on what production teaches you. New ones land on LinkedIn.
01A $0.03 discrepancy took down a reconciliation pipeline.One system rounded up, the other rounded down. Finance doesn't do "close enough." Decimals deserve permanent suspicion.02When an AI agent says the data is "clean enough."40% nulls in a required field. Dates in four formats. Agents optimize for finishing, not for being right — so a human does the trusting.03How we cut a scraping bill by 73%.The invoice doesn't care how clever your agent is.04Day 2 of Muse.Handed an agent a website rebuild: it pushed to GitHub and fixed its own failed deploy while I made coffee. Useful. Still worth checking its work.