Bug Free App Meets Unchecked Unicode Chaos

You spent months writing clean code, achieving that mythical 100% test coverage, and feeling like an invincible knight ready to conquer production. Then some user named "🔥💩🦄" tries to sign up and your database starts screaming in SQL injection nightmares while your logs look like a corrupted Word document from 1997.

Your unit tests never accounted for the fact that humans are chaos agents who will absolutely put zero-width joiners, right-to-left override characters, and Egyptian hieroglyphics in a field that was clearly labeled "First Name." Input validation? Sure, you checked for alphanumeric characters. But did you check for Zalgo text? Didn't think so.

Fun fact: Unicode has over 143,000 characters. Your regex that checks for "valid names" knows about maybe 52 of them. Good luck out there, knight.