The worst 7PM in my software engineering career Picture this: It's a Friday evening in Paris, and I'm wrapping up what should have been a routine week at Joe AI, the real-estate startup where we were building an AI agent that automated communications for property developers across France. I had just finished what I thought was a clean migration: moving our entire database from our old setup to PostgreSQL with Supabase. I had carefully designed a normalized schema with all the proper foreign key...