The AI fixed the bug. Every test passed. The customer lost free shipping.

Here is a pet-shop checkout. It is small on purpose, but the coupling in it is the kind every real codebase has: two features quietly depend on a third. TAX_RATE = 0.10 # 10% tax LOYALTY_PER = 10.0 # 1 loyalty point per $10 of order total FREE_SHIP_AT = 30.0 # free shipping (and silver tier) at/above this total def checkout_total(items): subtotal... Weiterlesen: The AI fixed the bug. Every test passed. The customer lost free shipp…