Who needs git when you have 1M context windows?

A RevenueCat engineer accidentally deleted code that improved their machine learning model's performance by 5% after refactoring it for production, realizing they never committed the working version to git. Instead of recreating the lost improvements, they asked Gemini 2.5 Pro to retrieve the original code from their conversation history, successfully recovering the deleted file and demonstrating how AI's memory capabilities can serve as an unexpected backup system for developers.