Show HN: I made a better Perplexity for developers

Hi HN, I am Jiayuan, and I'm here to introduce a tool we've been building over the past few months: Devv ( https://devv.ai ). In simple terms, it is an AI-powered search engine specifically designed for developers. Now, you might ask, with so many AI search engines already available—Perplexity, You.com, Phind, and several open-source projects—why do we need another one? We all know that Generative Search Engines are built on RAG (Retrieval-Augmented Generation)[1] combined with Large Language Models (LLMs). Most of the products mentioned above use indexes from general search engines (like Google/Bing APIs), but we've taken a different approach. We've created a vertical search index focused on the development domain, which includes: - Documents: These are essentially the single source of truth for programming languages or libraries; I believe many of you are users of Dash ( https://kapeli.com/dash ) or devdocs ( https://devdocs