I Blamed the CSV for 48 Hours. The Clean Box Still Spoke POSIX.

I spent two nights staring at a UnicodeDecodeError that refused to appear on my laptop. The traceback named a CSV I had already re-exported, re-saved, and hex-dumped until my eyes hurt. Have you ever trusted a local green pytest run more than a remote red log? I did, and that misplaced trust burned a full forty-eight hours. The job itself was...