Lumina Note - Local-first AI note app with Agent & RAG, built in 10 days

Hey Product Hunt! 👋 I'm excited to share Lumina Note - a project that started as a personal experiment and turned into something I'm really proud of. **The Problem:** I wanted a note-taking app that was truly local-first (no cloud dependency), had real AI capabilities (not just a chatbot sidebar), and could understand my notes semantically. Existing tools either required cloud accounts, or bolted AI on as an afterthought. **The Solution:** Lumina Note has AI Agent built into its core - with 14 tools that can actually read, edit, search, and organize your notes. The RAG system lets you ask questions and get answers based on your entire knowledge base, all running locally. **The Crazy Part:** We built this entire app in just 10 days using AI-assisted development. Two developers, 47,000+ lines of code, powered by tools like Cursor and Claude. It's proof of what's possible when humans and AI collaborate. **What's included:** - AI Agent with tool calling - RAG semantic search (local vector DB) - Knowledge graph visualization - PDF reader with annotations - Bilibili video notes - 15 beautiful themes Would love to hear your feedback! What features would you like to see next? 🙏