I Built a Production-Grade AI Search Engine on a 20GB Laptop (No Cloud Required)

System Architecture & Data Pipeline When a customer types “something professional I can wear to a client meeting in summer” into a search bar, most e-commerce engines return zero results. Not because the products don’t exist - they do. It’s because the engine is looking for those exact words in product titles, and none of them say “something professional.” That gap between what users mean and what keyword systems can understand is not a minor inconvenience. It’s a fundamental architectural failure that costs real revenue every single day.